YARN-4219. New levelDB cache storage for timeline v1.5. Contributed by
Li Lu (cherry picked from commit9fab22b366) (cherry picked from commit2f00d8d3a7)
This commit is contained in:
Xuan
parent
290b7db656
commit
353518f54c
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@ -214,6 +214,8 @@ Release 2.8.0 - UNRELEASED
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YARN-4265. Provide new timeline plugin storage to support fine-grained entity
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caching. (Li Lu and Jason Lowe via junping_du)
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YARN-4219. New levelDB cache storage for timeline v1.5. (Li Lu via xgong)
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IMPROVEMENTS
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YARN-644. Basic null check is not performed on passed in arguments before
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@ -1646,6 +1646,13 @@ public class YarnConfiguration extends Configuration {
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DEFAULT_TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_RETRY_POLICY_SPEC =
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"2000, 500";
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public static final String TIMELINE_SERVICE_LEVELDB_CACHE_READ_CACHE_SIZE =
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TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_PREFIX
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+ "leveldb-cache-read-cache-size";
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public static final long
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DEFAULT_TIMELINE_SERVICE_LEVELDB_CACHE_READ_CACHE_SIZE = 10 * 1024 * 1024;
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public static final String TIMELINE_SERVICE_CLIENT_FD_FLUSH_INTERVAL_SECS =
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TIMELINE_SERVICE_CLIENT_PREFIX + "fd-flush-interval-secs";
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public static final long
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@ -2036,6 +2036,14 @@
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<value>604800</value>
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</property>
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<property>
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<name>yarn.timeline-service.entity-group-fs-store.leveldb-cache-read-cache-size</name>
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<description>
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Read cache size for the leveldb cache storage in ATS v1.5 plugin storage.
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</description>
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<value>10485760</value>
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</property>
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<!-- Shared Cache Configuration -->
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<property>
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@ -0,0 +1,574 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.timeline;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.classification.InterfaceAudience.Private;
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import org.apache.hadoop.classification.InterfaceStability.Unstable;
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import org.apache.hadoop.service.AbstractService;
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import org.apache.hadoop.yarn.api.records.timeline.TimelineDomain;
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import org.apache.hadoop.yarn.api.records.timeline.TimelineDomains;
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import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
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import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
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import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
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import org.apache.hadoop.yarn.api.records.timeline.TimelineEvents;
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import org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity;
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import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse;
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import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError;
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import org.apache.hadoop.yarn.server.timeline.TimelineDataManager.CheckAcl;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.EnumSet;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Set;
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import java.util.SortedSet;
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import static org.apache.hadoop.yarn.server.timeline.TimelineDataManager.DEFAULT_DOMAIN_ID;
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/**
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* Map based implementation of {@link TimelineStore}. A hash map
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* implementation should be connected to this implementation through a
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* {@link TimelineStoreMapAdapter}.
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*
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* The methods are synchronized to avoid concurrent modifications.
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*
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*/
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@Private
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@Unstable
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abstract class KeyValueBasedTimelineStore
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extends AbstractService implements TimelineStore {
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protected TimelineStoreMapAdapter<EntityIdentifier, TimelineEntity> entities;
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protected TimelineStoreMapAdapter<EntityIdentifier, Long> entityInsertTimes;
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protected TimelineStoreMapAdapter<String, TimelineDomain> domainById;
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protected TimelineStoreMapAdapter<String, Set<TimelineDomain>> domainsByOwner;
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private boolean serviceStopped = false;
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private static final Log LOG
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= LogFactory.getLog(KeyValueBasedTimelineStore.class);
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public KeyValueBasedTimelineStore() {
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super(KeyValueBasedTimelineStore.class.getName());
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}
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public KeyValueBasedTimelineStore(String name) {
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super(name);
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}
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public synchronized boolean getServiceStopped() {
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return serviceStopped;
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}
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@Override
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protected synchronized void serviceStop() throws Exception {
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serviceStopped = true;
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super.serviceStop();
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}
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@Override
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public synchronized TimelineEntities getEntities(String entityType, Long limit,
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Long windowStart, Long windowEnd, String fromId, Long fromTs,
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NameValuePair primaryFilter, Collection<NameValuePair> secondaryFilters,
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EnumSet<Field> fields, CheckAcl checkAcl) throws IOException {
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if (getServiceStopped()) {
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LOG.info("Service stopped, return null for the storage");
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return null;
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}
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if (limit == null) {
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limit = DEFAULT_LIMIT;
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}
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if (windowStart == null) {
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windowStart = Long.MIN_VALUE;
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}
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if (windowEnd == null) {
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windowEnd = Long.MAX_VALUE;
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}
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if (fields == null) {
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fields = EnumSet.allOf(Field.class);
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}
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Iterator<TimelineEntity> entityIterator = null;
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if (fromId != null) {
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TimelineEntity firstEntity = entities.get(new EntityIdentifier(fromId,
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entityType));
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if (firstEntity == null) {
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return new TimelineEntities();
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} else {
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entityIterator = entities.valueSetIterator(firstEntity);
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}
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}
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if (entityIterator == null) {
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entityIterator = entities.valueSetIterator();
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}
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List<TimelineEntity> entitiesSelected = new ArrayList<TimelineEntity>();
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while (entityIterator.hasNext()) {
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TimelineEntity entity = entityIterator.next();
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if (entitiesSelected.size() >= limit) {
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break;
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}
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if (!entity.getEntityType().equals(entityType)) {
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continue;
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}
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if (entity.getStartTime() <= windowStart) {
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continue;
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}
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if (entity.getStartTime() > windowEnd) {
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continue;
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}
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if (fromTs != null && entityInsertTimes.get(new EntityIdentifier(
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entity.getEntityId(), entity.getEntityType())) > fromTs) {
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continue;
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}
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if (primaryFilter != null &&
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!KeyValueBasedTimelineStoreUtils.matchPrimaryFilter(
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entity.getPrimaryFilters(), primaryFilter)) {
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continue;
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}
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if (secondaryFilters != null) { // AND logic
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boolean flag = true;
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for (NameValuePair secondaryFilter : secondaryFilters) {
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if (secondaryFilter != null && !KeyValueBasedTimelineStoreUtils
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.matchPrimaryFilter(entity.getPrimaryFilters(), secondaryFilter)
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&& !KeyValueBasedTimelineStoreUtils.matchFilter(
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entity.getOtherInfo(), secondaryFilter)) {
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flag = false;
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break;
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}
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}
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if (!flag) {
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continue;
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}
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}
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if (entity.getDomainId() == null) {
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entity.setDomainId(DEFAULT_DOMAIN_ID);
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}
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if (checkAcl == null || checkAcl.check(entity)) {
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entitiesSelected.add(entity);
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}
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}
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List<TimelineEntity> entitiesToReturn = new ArrayList<TimelineEntity>();
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for (TimelineEntity entitySelected : entitiesSelected) {
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entitiesToReturn.add(KeyValueBasedTimelineStoreUtils.maskFields(
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entitySelected, fields));
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}
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Collections.sort(entitiesToReturn);
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TimelineEntities entitiesWrapper = new TimelineEntities();
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entitiesWrapper.setEntities(entitiesToReturn);
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return entitiesWrapper;
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}
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@Override
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public synchronized TimelineEntity getEntity(String entityId, String entityType,
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EnumSet<Field> fieldsToRetrieve) {
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if (getServiceStopped()) {
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LOG.info("Service stopped, return null for the storage");
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return null;
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}
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if (fieldsToRetrieve == null) {
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fieldsToRetrieve = EnumSet.allOf(Field.class);
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}
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TimelineEntity
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entity = entities.get(new EntityIdentifier(entityId, entityType));
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if (entity == null) {
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return null;
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} else {
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return KeyValueBasedTimelineStoreUtils.maskFields(
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entity, fieldsToRetrieve);
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}
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}
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@Override
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public synchronized TimelineEvents getEntityTimelines(String entityType,
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SortedSet<String> entityIds, Long limit, Long windowStart,
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Long windowEnd,
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Set<String> eventTypes) {
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if (getServiceStopped()) {
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LOG.info("Service stopped, return null for the storage");
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return null;
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}
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TimelineEvents allEvents = new TimelineEvents();
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if (entityIds == null) {
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return allEvents;
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}
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if (limit == null) {
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limit = DEFAULT_LIMIT;
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}
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if (windowStart == null) {
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windowStart = Long.MIN_VALUE;
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}
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if (windowEnd == null) {
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windowEnd = Long.MAX_VALUE;
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}
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for (String entityId : entityIds) {
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EntityIdentifier entityID = new EntityIdentifier(entityId, entityType);
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TimelineEntity entity = entities.get(entityID);
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if (entity == null) {
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continue;
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}
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EventsOfOneEntity events = new EventsOfOneEntity();
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events.setEntityId(entityId);
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events.setEntityType(entityType);
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for (TimelineEvent event : entity.getEvents()) {
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if (events.getEvents().size() >= limit) {
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break;
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}
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if (event.getTimestamp() <= windowStart) {
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continue;
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}
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if (event.getTimestamp() > windowEnd) {
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continue;
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}
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if (eventTypes != null && !eventTypes.contains(event.getEventType())) {
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continue;
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}
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events.addEvent(event);
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}
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allEvents.addEvent(events);
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}
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return allEvents;
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}
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@Override
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public TimelineDomain getDomain(String domainId)
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throws IOException {
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if (getServiceStopped()) {
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LOG.info("Service stopped, return null for the storage");
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return null;
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}
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TimelineDomain domain = domainById.get(domainId);
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if (domain == null) {
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return null;
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} else {
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return KeyValueBasedTimelineStoreUtils.createTimelineDomain(
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domain.getId(),
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domain.getDescription(),
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domain.getOwner(),
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domain.getReaders(),
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domain.getWriters(),
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domain.getCreatedTime(),
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domain.getModifiedTime());
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}
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}
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@Override
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public TimelineDomains getDomains(String owner)
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throws IOException {
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if (getServiceStopped()) {
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LOG.info("Service stopped, return null for the storage");
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return null;
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}
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List<TimelineDomain> domains = new ArrayList<TimelineDomain>();
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Set<TimelineDomain> domainsOfOneOwner = domainsByOwner.get(owner);
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if (domainsOfOneOwner == null) {
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return new TimelineDomains();
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}
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for (TimelineDomain domain : domainsByOwner.get(owner)) {
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TimelineDomain domainToReturn = KeyValueBasedTimelineStoreUtils
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.createTimelineDomain(
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domain.getId(),
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domain.getDescription(),
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domain.getOwner(),
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domain.getReaders(),
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domain.getWriters(),
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domain.getCreatedTime(),
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domain.getModifiedTime());
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domains.add(domainToReturn);
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}
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Collections.sort(domains, new Comparator<TimelineDomain>() {
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@Override
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public int compare(
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TimelineDomain domain1, TimelineDomain domain2) {
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int result = domain2.getCreatedTime().compareTo(
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domain1.getCreatedTime());
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if (result == 0) {
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return domain2.getModifiedTime().compareTo(
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domain1.getModifiedTime());
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} else {
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return result;
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}
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}
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});
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TimelineDomains domainsToReturn = new TimelineDomains();
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domainsToReturn.addDomains(domains);
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return domainsToReturn;
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}
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@Override
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public synchronized TimelinePutResponse put(TimelineEntities data) {
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TimelinePutResponse response = new TimelinePutResponse();
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if (getServiceStopped()) {
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LOG.info("Service stopped, return null for the storage");
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TimelinePutError error = new TimelinePutError();
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error.setErrorCode(TimelinePutError.IO_EXCEPTION);
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response.addError(error);
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return response;
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}
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for (TimelineEntity entity : data.getEntities()) {
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EntityIdentifier entityId =
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new EntityIdentifier(entity.getEntityId(), entity.getEntityType());
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// store entity info in memory
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TimelineEntity existingEntity = entities.get(entityId);
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boolean needsPut = false;
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if (existingEntity == null) {
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existingEntity = new TimelineEntity();
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existingEntity.setEntityId(entity.getEntityId());
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existingEntity.setEntityType(entity.getEntityType());
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existingEntity.setStartTime(entity.getStartTime());
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if (entity.getDomainId() == null ||
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entity.getDomainId().length() == 0) {
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TimelinePutError error = new TimelinePutError();
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error.setEntityId(entityId.getId());
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error.setEntityType(entityId.getType());
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error.setErrorCode(TimelinePutError.NO_DOMAIN);
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response.addError(error);
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continue;
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}
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existingEntity.setDomainId(entity.getDomainId());
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// insert a new entity to the storage, update insert time map
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entityInsertTimes.put(entityId, System.currentTimeMillis());
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needsPut = true;
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}
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if (entity.getEvents() != null) {
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if (existingEntity.getEvents() == null) {
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existingEntity.setEvents(entity.getEvents());
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} else {
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existingEntity.addEvents(entity.getEvents());
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}
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Collections.sort(existingEntity.getEvents());
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needsPut = true;
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}
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// check startTime
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if (existingEntity.getStartTime() == null) {
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if (existingEntity.getEvents() == null
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|| existingEntity.getEvents().isEmpty()) {
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TimelinePutError error = new TimelinePutError();
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error.setEntityId(entityId.getId());
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error.setEntityType(entityId.getType());
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error.setErrorCode(TimelinePutError.NO_START_TIME);
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response.addError(error);
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entities.remove(entityId);
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entityInsertTimes.remove(entityId);
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continue;
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} else {
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Long min = Long.MAX_VALUE;
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for (TimelineEvent e : entity.getEvents()) {
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if (min > e.getTimestamp()) {
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min = e.getTimestamp();
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}
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}
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existingEntity.setStartTime(min);
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needsPut = true;
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}
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}
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if (entity.getPrimaryFilters() != null) {
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if (existingEntity.getPrimaryFilters() == null) {
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existingEntity.setPrimaryFilters(new HashMap<String, Set<Object>>());
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}
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for (Entry<String, Set<Object>> pf :
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entity.getPrimaryFilters().entrySet()) {
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for (Object pfo : pf.getValue()) {
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existingEntity.addPrimaryFilter(pf.getKey(),
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KeyValueBasedTimelineStoreUtils.compactNumber(pfo));
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needsPut = true;
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}
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}
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}
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if (entity.getOtherInfo() != null) {
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if (existingEntity.getOtherInfo() == null) {
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existingEntity.setOtherInfo(new HashMap<String, Object>());
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}
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for (Entry<String, Object> info : entity.getOtherInfo().entrySet()) {
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existingEntity.addOtherInfo(info.getKey(),
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KeyValueBasedTimelineStoreUtils.compactNumber(info.getValue()));
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needsPut = true;
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}
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}
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if (needsPut) {
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entities.put(entityId, existingEntity);
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}
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// relate it to other entities
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if (entity.getRelatedEntities() == null) {
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continue;
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}
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for (Entry<String, Set<String>> partRelatedEntities : entity
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.getRelatedEntities().entrySet()) {
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if (partRelatedEntities == null) {
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continue;
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}
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for (String idStr : partRelatedEntities.getValue()) {
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EntityIdentifier relatedEntityId =
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new EntityIdentifier(idStr, partRelatedEntities.getKey());
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TimelineEntity relatedEntity = entities.get(relatedEntityId);
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if (relatedEntity != null) {
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if (relatedEntity.getDomainId().equals(
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existingEntity.getDomainId())) {
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relatedEntity.addRelatedEntity(
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existingEntity.getEntityType(), existingEntity.getEntityId());
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entities.put(relatedEntityId, relatedEntity);
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} else {
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// in this case the entity will be put, but the relation will be
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// ignored
|
||||
TimelinePutError error = new TimelinePutError();
|
||||
error.setEntityType(existingEntity.getEntityType());
|
||||
error.setEntityId(existingEntity.getEntityId());
|
||||
error.setErrorCode(TimelinePutError.FORBIDDEN_RELATION);
|
||||
response.addError(error);
|
||||
}
|
||||
} else {
|
||||
relatedEntity = new TimelineEntity();
|
||||
relatedEntity.setEntityId(relatedEntityId.getId());
|
||||
relatedEntity.setEntityType(relatedEntityId.getType());
|
||||
relatedEntity.setStartTime(existingEntity.getStartTime());
|
||||
relatedEntity.addRelatedEntity(existingEntity.getEntityType(),
|
||||
existingEntity.getEntityId());
|
||||
relatedEntity.setDomainId(existingEntity.getDomainId());
|
||||
entities.put(relatedEntityId, relatedEntity);
|
||||
entityInsertTimes.put(relatedEntityId, System.currentTimeMillis());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return response;
|
||||
}
|
||||
|
||||
public void put(TimelineDomain domain) throws IOException {
|
||||
if (getServiceStopped()) {
|
||||
LOG.info("Service stopped, return null for the storage");
|
||||
return;
|
||||
}
|
||||
TimelineDomain domainToReplace =
|
||||
domainById.get(domain.getId());
|
||||
Long currentTimestamp = System.currentTimeMillis();
|
||||
TimelineDomain domainToStore
|
||||
= KeyValueBasedTimelineStoreUtils.createTimelineDomain(
|
||||
domain.getId(), domain.getDescription(), domain.getOwner(),
|
||||
domain.getReaders(), domain.getWriters(),
|
||||
(domainToReplace == null ?
|
||||
currentTimestamp : domainToReplace.getCreatedTime()),
|
||||
currentTimestamp);
|
||||
domainById.put(domainToStore.getId(), domainToStore);
|
||||
Set<TimelineDomain> domainsByOneOwner =
|
||||
domainsByOwner.get(domainToStore.getOwner());
|
||||
if (domainsByOneOwner == null) {
|
||||
domainsByOneOwner = new HashSet<TimelineDomain>();
|
||||
domainsByOwner.put(domainToStore.getOwner(), domainsByOneOwner);
|
||||
}
|
||||
if (domainToReplace != null) {
|
||||
domainsByOneOwner.remove(domainToReplace);
|
||||
}
|
||||
domainsByOneOwner.add(domainToStore);
|
||||
}
|
||||
|
||||
private static class KeyValueBasedTimelineStoreUtils {
|
||||
|
||||
static TimelineDomain createTimelineDomain(
|
||||
String id, String description, String owner,
|
||||
String readers, String writers,
|
||||
Long createdTime, Long modifiedTime) {
|
||||
TimelineDomain domainToStore = new TimelineDomain();
|
||||
domainToStore.setId(id);
|
||||
domainToStore.setDescription(description);
|
||||
domainToStore.setOwner(owner);
|
||||
domainToStore.setReaders(readers);
|
||||
domainToStore.setWriters(writers);
|
||||
domainToStore.setCreatedTime(createdTime);
|
||||
domainToStore.setModifiedTime(modifiedTime);
|
||||
return domainToStore;
|
||||
}
|
||||
|
||||
static TimelineEntity maskFields(
|
||||
TimelineEntity entity, EnumSet<Field> fields) {
|
||||
// Conceal the fields that are not going to be exposed
|
||||
TimelineEntity entityToReturn = new TimelineEntity();
|
||||
entityToReturn.setEntityId(entity.getEntityId());
|
||||
entityToReturn.setEntityType(entity.getEntityType());
|
||||
entityToReturn.setStartTime(entity.getStartTime());
|
||||
entityToReturn.setDomainId(entity.getDomainId());
|
||||
// Deep copy
|
||||
if (fields.contains(Field.EVENTS)) {
|
||||
entityToReturn.addEvents(entity.getEvents());
|
||||
} else if (fields.contains(Field.LAST_EVENT_ONLY)) {
|
||||
entityToReturn.addEvent(entity.getEvents().get(0));
|
||||
} else {
|
||||
entityToReturn.setEvents(null);
|
||||
}
|
||||
if (fields.contains(Field.RELATED_ENTITIES)) {
|
||||
entityToReturn.addRelatedEntities(entity.getRelatedEntities());
|
||||
} else {
|
||||
entityToReturn.setRelatedEntities(null);
|
||||
}
|
||||
if (fields.contains(Field.PRIMARY_FILTERS)) {
|
||||
entityToReturn.addPrimaryFilters(entity.getPrimaryFilters());
|
||||
} else {
|
||||
entityToReturn.setPrimaryFilters(null);
|
||||
}
|
||||
if (fields.contains(Field.OTHER_INFO)) {
|
||||
entityToReturn.addOtherInfo(entity.getOtherInfo());
|
||||
} else {
|
||||
entityToReturn.setOtherInfo(null);
|
||||
}
|
||||
return entityToReturn;
|
||||
}
|
||||
|
||||
static boolean matchFilter(Map<String, Object> tags,
|
||||
NameValuePair filter) {
|
||||
Object value = tags.get(filter.getName());
|
||||
if (value == null) { // doesn't have the filter
|
||||
return false;
|
||||
} else if (!value.equals(filter.getValue())) { // doesn't match the filter
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
static boolean matchPrimaryFilter(Map<String, Set<Object>> tags,
|
||||
NameValuePair filter) {
|
||||
Set<Object> value = tags.get(filter.getName());
|
||||
if (value == null) { // doesn't have the filter
|
||||
return false;
|
||||
} else {
|
||||
return value.contains(filter.getValue());
|
||||
}
|
||||
}
|
||||
|
||||
static Object compactNumber(Object o) {
|
||||
if (o instanceof Long) {
|
||||
Long l = (Long) o;
|
||||
if (l >= Integer.MIN_VALUE && l <= Integer.MAX_VALUE) {
|
||||
return l.intValue();
|
||||
}
|
||||
}
|
||||
return o;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -18,38 +18,13 @@
|
|||
|
||||
package org.apache.hadoop.yarn.server.timeline;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.EnumSet;
|
||||
import java.util.HashMap;
|
||||
import java.util.HashSet;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.PriorityQueue;
|
||||
import java.util.Set;
|
||||
import java.util.SortedSet;
|
||||
import java.util.TreeSet;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Private;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.service.AbstractService;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineEvents;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineEvents.EventsOfOneEntity;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineDomain;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineDomains;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelinePutError;
|
||||
import org.apache.hadoop.yarn.server.timeline.TimelineDataManager.CheckAcl;
|
||||
|
||||
import static org.apache.hadoop.yarn.server.timeline.TimelineDataManager.DEFAULT_DOMAIN_ID;
|
||||
import java.util.HashMap;
|
||||
import java.util.Iterator;
|
||||
import java.util.Map;
|
||||
import java.util.TreeSet;
|
||||
|
||||
/**
|
||||
* In-memory implementation of {@link TimelineStore}. This
|
||||
|
|
@ -62,448 +37,60 @@ import static org.apache.hadoop.yarn.server.timeline.TimelineDataManager.DEFAULT
|
|||
*/
|
||||
@Private
|
||||
@Unstable
|
||||
public class MemoryTimelineStore
|
||||
extends AbstractService implements TimelineStore {
|
||||
public class MemoryTimelineStore extends KeyValueBasedTimelineStore {
|
||||
|
||||
private Map<EntityIdentifier, TimelineEntity> entities =
|
||||
new HashMap<EntityIdentifier, TimelineEntity>();
|
||||
private Map<EntityIdentifier, Long> entityInsertTimes =
|
||||
new HashMap<EntityIdentifier, Long>();
|
||||
private Map<String, TimelineDomain> domainsById =
|
||||
new HashMap<String, TimelineDomain>();
|
||||
private Map<String, Set<TimelineDomain>> domainsByOwner =
|
||||
new HashMap<String, Set<TimelineDomain>>();
|
||||
static class HashMapStoreAdapter<K, V>
|
||||
implements TimelineStoreMapAdapter<K, V> {
|
||||
Map<K, V> internalMap = new HashMap<>();
|
||||
|
||||
@Override
|
||||
public V get(K key) {
|
||||
return internalMap.get(key);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void put(K key, V value) {
|
||||
internalMap.put(key, value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void remove(K key) {
|
||||
internalMap.remove(key);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Iterator<V>
|
||||
valueSetIterator() {
|
||||
return new TreeSet<>(internalMap.values()).iterator();
|
||||
}
|
||||
|
||||
@Override
|
||||
@SuppressWarnings("unchecked")
|
||||
public Iterator<V> valueSetIterator(V minV) {
|
||||
if (minV instanceof Comparable) {
|
||||
TreeSet<V> tempTreeSet = new TreeSet<>();
|
||||
for (V value : internalMap.values()) {
|
||||
if (((Comparable) value).compareTo(minV) >= 0) {
|
||||
tempTreeSet.add(value);
|
||||
}
|
||||
}
|
||||
return tempTreeSet.iterator();
|
||||
} else {
|
||||
return valueSetIterator();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public MemoryTimelineStore() {
|
||||
super(MemoryTimelineStore.class.getName());
|
||||
this(MemoryTimelineStore.class.getName());
|
||||
}
|
||||
|
||||
@Override
|
||||
public synchronized TimelineEntities getEntities(String entityType, Long limit,
|
||||
Long windowStart, Long windowEnd, String fromId, Long fromTs,
|
||||
NameValuePair primaryFilter, Collection<NameValuePair> secondaryFilters,
|
||||
EnumSet<Field> fields, CheckAcl checkAcl) throws IOException {
|
||||
if (limit == null) {
|
||||
limit = DEFAULT_LIMIT;
|
||||
}
|
||||
if (windowStart == null) {
|
||||
windowStart = Long.MIN_VALUE;
|
||||
}
|
||||
if (windowEnd == null) {
|
||||
windowEnd = Long.MAX_VALUE;
|
||||
}
|
||||
if (fields == null) {
|
||||
fields = EnumSet.allOf(Field.class);
|
||||
}
|
||||
|
||||
Iterator<TimelineEntity> entityIterator = null;
|
||||
if (fromId != null) {
|
||||
TimelineEntity firstEntity = entities.get(new EntityIdentifier(fromId,
|
||||
entityType));
|
||||
if (firstEntity == null) {
|
||||
return new TimelineEntities();
|
||||
} else {
|
||||
entityIterator = new TreeSet<TimelineEntity>(entities.values())
|
||||
.tailSet(firstEntity, true).iterator();
|
||||
}
|
||||
}
|
||||
if (entityIterator == null) {
|
||||
entityIterator = new PriorityQueue<TimelineEntity>(entities.values())
|
||||
.iterator();
|
||||
}
|
||||
|
||||
List<TimelineEntity> entitiesSelected = new ArrayList<TimelineEntity>();
|
||||
while (entityIterator.hasNext()) {
|
||||
TimelineEntity entity = entityIterator.next();
|
||||
if (entitiesSelected.size() >= limit) {
|
||||
break;
|
||||
}
|
||||
if (!entity.getEntityType().equals(entityType)) {
|
||||
continue;
|
||||
}
|
||||
if (entity.getStartTime() <= windowStart) {
|
||||
continue;
|
||||
}
|
||||
if (entity.getStartTime() > windowEnd) {
|
||||
continue;
|
||||
}
|
||||
if (fromTs != null && entityInsertTimes.get(new EntityIdentifier(
|
||||
entity.getEntityId(), entity.getEntityType())) > fromTs) {
|
||||
continue;
|
||||
}
|
||||
if (primaryFilter != null &&
|
||||
!matchPrimaryFilter(entity.getPrimaryFilters(), primaryFilter)) {
|
||||
continue;
|
||||
}
|
||||
if (secondaryFilters != null) { // AND logic
|
||||
boolean flag = true;
|
||||
for (NameValuePair secondaryFilter : secondaryFilters) {
|
||||
if (secondaryFilter != null && !matchPrimaryFilter(
|
||||
entity.getPrimaryFilters(), secondaryFilter) &&
|
||||
!matchFilter(entity.getOtherInfo(), secondaryFilter)) {
|
||||
flag = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!flag) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (entity.getDomainId() == null) {
|
||||
entity.setDomainId(DEFAULT_DOMAIN_ID);
|
||||
}
|
||||
if (checkAcl == null || checkAcl.check(entity)) {
|
||||
entitiesSelected.add(entity);
|
||||
}
|
||||
}
|
||||
List<TimelineEntity> entitiesToReturn = new ArrayList<TimelineEntity>();
|
||||
for (TimelineEntity entitySelected : entitiesSelected) {
|
||||
entitiesToReturn.add(maskFields(entitySelected, fields));
|
||||
}
|
||||
Collections.sort(entitiesToReturn);
|
||||
TimelineEntities entitiesWrapper = new TimelineEntities();
|
||||
entitiesWrapper.setEntities(entitiesToReturn);
|
||||
return entitiesWrapper;
|
||||
}
|
||||
|
||||
@Override
|
||||
public synchronized TimelineEntity getEntity(String entityId, String entityType,
|
||||
EnumSet<Field> fieldsToRetrieve) {
|
||||
if (fieldsToRetrieve == null) {
|
||||
fieldsToRetrieve = EnumSet.allOf(Field.class);
|
||||
}
|
||||
TimelineEntity entity = entities.get(new EntityIdentifier(entityId, entityType));
|
||||
if (entity == null) {
|
||||
return null;
|
||||
} else {
|
||||
return maskFields(entity, fieldsToRetrieve);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public synchronized TimelineEvents getEntityTimelines(String entityType,
|
||||
SortedSet<String> entityIds, Long limit, Long windowStart,
|
||||
Long windowEnd,
|
||||
Set<String> eventTypes) {
|
||||
TimelineEvents allEvents = new TimelineEvents();
|
||||
if (entityIds == null) {
|
||||
return allEvents;
|
||||
}
|
||||
if (limit == null) {
|
||||
limit = DEFAULT_LIMIT;
|
||||
}
|
||||
if (windowStart == null) {
|
||||
windowStart = Long.MIN_VALUE;
|
||||
}
|
||||
if (windowEnd == null) {
|
||||
windowEnd = Long.MAX_VALUE;
|
||||
}
|
||||
for (String entityId : entityIds) {
|
||||
EntityIdentifier entityID = new EntityIdentifier(entityId, entityType);
|
||||
TimelineEntity entity = entities.get(entityID);
|
||||
if (entity == null) {
|
||||
continue;
|
||||
}
|
||||
EventsOfOneEntity events = new EventsOfOneEntity();
|
||||
events.setEntityId(entityId);
|
||||
events.setEntityType(entityType);
|
||||
for (TimelineEvent event : entity.getEvents()) {
|
||||
if (events.getEvents().size() >= limit) {
|
||||
break;
|
||||
}
|
||||
if (event.getTimestamp() <= windowStart) {
|
||||
continue;
|
||||
}
|
||||
if (event.getTimestamp() > windowEnd) {
|
||||
continue;
|
||||
}
|
||||
if (eventTypes != null && !eventTypes.contains(event.getEventType())) {
|
||||
continue;
|
||||
}
|
||||
events.addEvent(event);
|
||||
}
|
||||
allEvents.addEvent(events);
|
||||
}
|
||||
return allEvents;
|
||||
}
|
||||
|
||||
@Override
|
||||
public TimelineDomain getDomain(String domainId)
|
||||
throws IOException {
|
||||
TimelineDomain domain = domainsById.get(domainId);
|
||||
if (domain == null) {
|
||||
return null;
|
||||
} else {
|
||||
return createTimelineDomain(
|
||||
domain.getId(),
|
||||
domain.getDescription(),
|
||||
domain.getOwner(),
|
||||
domain.getReaders(),
|
||||
domain.getWriters(),
|
||||
domain.getCreatedTime(),
|
||||
domain.getModifiedTime());
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public TimelineDomains getDomains(String owner)
|
||||
throws IOException {
|
||||
List<TimelineDomain> domains = new ArrayList<TimelineDomain>();
|
||||
Set<TimelineDomain> domainsOfOneOwner = domainsByOwner.get(owner);
|
||||
if (domainsOfOneOwner == null) {
|
||||
return new TimelineDomains();
|
||||
}
|
||||
for (TimelineDomain domain : domainsByOwner.get(owner)) {
|
||||
TimelineDomain domainToReturn = createTimelineDomain(
|
||||
domain.getId(),
|
||||
domain.getDescription(),
|
||||
domain.getOwner(),
|
||||
domain.getReaders(),
|
||||
domain.getWriters(),
|
||||
domain.getCreatedTime(),
|
||||
domain.getModifiedTime());
|
||||
domains.add(domainToReturn);
|
||||
}
|
||||
Collections.sort(domains, new Comparator<TimelineDomain>() {
|
||||
@Override
|
||||
public int compare(
|
||||
TimelineDomain domain1, TimelineDomain domain2) {
|
||||
int result = domain2.getCreatedTime().compareTo(
|
||||
domain1.getCreatedTime());
|
||||
if (result == 0) {
|
||||
return domain2.getModifiedTime().compareTo(
|
||||
domain1.getModifiedTime());
|
||||
} else {
|
||||
return result;
|
||||
}
|
||||
}
|
||||
});
|
||||
TimelineDomains domainsToReturn = new TimelineDomains();
|
||||
domainsToReturn.addDomains(domains);
|
||||
return domainsToReturn;
|
||||
}
|
||||
|
||||
@Override
|
||||
public synchronized TimelinePutResponse put(TimelineEntities data) {
|
||||
TimelinePutResponse response = new TimelinePutResponse();
|
||||
for (TimelineEntity entity : data.getEntities()) {
|
||||
EntityIdentifier entityId =
|
||||
new EntityIdentifier(entity.getEntityId(), entity.getEntityType());
|
||||
// store entity info in memory
|
||||
TimelineEntity existingEntity = entities.get(entityId);
|
||||
if (existingEntity == null) {
|
||||
existingEntity = new TimelineEntity();
|
||||
existingEntity.setEntityId(entity.getEntityId());
|
||||
existingEntity.setEntityType(entity.getEntityType());
|
||||
existingEntity.setStartTime(entity.getStartTime());
|
||||
if (entity.getDomainId() == null ||
|
||||
entity.getDomainId().length() == 0) {
|
||||
TimelinePutError error = new TimelinePutError();
|
||||
error.setEntityId(entityId.getId());
|
||||
error.setEntityType(entityId.getType());
|
||||
error.setErrorCode(TimelinePutError.NO_DOMAIN);
|
||||
response.addError(error);
|
||||
continue;
|
||||
}
|
||||
existingEntity.setDomainId(entity.getDomainId());
|
||||
entities.put(entityId, existingEntity);
|
||||
entityInsertTimes.put(entityId, System.currentTimeMillis());
|
||||
}
|
||||
if (entity.getEvents() != null) {
|
||||
if (existingEntity.getEvents() == null) {
|
||||
existingEntity.setEvents(entity.getEvents());
|
||||
} else {
|
||||
existingEntity.addEvents(entity.getEvents());
|
||||
}
|
||||
Collections.sort(existingEntity.getEvents());
|
||||
}
|
||||
// check startTime
|
||||
if (existingEntity.getStartTime() == null) {
|
||||
if (existingEntity.getEvents() == null
|
||||
|| existingEntity.getEvents().isEmpty()) {
|
||||
TimelinePutError error = new TimelinePutError();
|
||||
error.setEntityId(entityId.getId());
|
||||
error.setEntityType(entityId.getType());
|
||||
error.setErrorCode(TimelinePutError.NO_START_TIME);
|
||||
response.addError(error);
|
||||
entities.remove(entityId);
|
||||
entityInsertTimes.remove(entityId);
|
||||
continue;
|
||||
} else {
|
||||
Long min = Long.MAX_VALUE;
|
||||
for (TimelineEvent e : entity.getEvents()) {
|
||||
if (min > e.getTimestamp()) {
|
||||
min = e.getTimestamp();
|
||||
}
|
||||
}
|
||||
existingEntity.setStartTime(min);
|
||||
}
|
||||
}
|
||||
if (entity.getPrimaryFilters() != null) {
|
||||
if (existingEntity.getPrimaryFilters() == null) {
|
||||
existingEntity.setPrimaryFilters(new HashMap<String, Set<Object>>());
|
||||
}
|
||||
for (Entry<String, Set<Object>> pf :
|
||||
entity.getPrimaryFilters().entrySet()) {
|
||||
for (Object pfo : pf.getValue()) {
|
||||
existingEntity.addPrimaryFilter(pf.getKey(), maybeConvert(pfo));
|
||||
}
|
||||
}
|
||||
}
|
||||
if (entity.getOtherInfo() != null) {
|
||||
if (existingEntity.getOtherInfo() == null) {
|
||||
existingEntity.setOtherInfo(new HashMap<String, Object>());
|
||||
}
|
||||
for (Entry<String, Object> info : entity.getOtherInfo().entrySet()) {
|
||||
existingEntity.addOtherInfo(info.getKey(),
|
||||
maybeConvert(info.getValue()));
|
||||
}
|
||||
}
|
||||
// relate it to other entities
|
||||
if (entity.getRelatedEntities() == null) {
|
||||
continue;
|
||||
}
|
||||
for (Map.Entry<String, Set<String>> partRelatedEntities : entity
|
||||
.getRelatedEntities().entrySet()) {
|
||||
if (partRelatedEntities == null) {
|
||||
continue;
|
||||
}
|
||||
for (String idStr : partRelatedEntities.getValue()) {
|
||||
EntityIdentifier relatedEntityId =
|
||||
new EntityIdentifier(idStr, partRelatedEntities.getKey());
|
||||
TimelineEntity relatedEntity = entities.get(relatedEntityId);
|
||||
if (relatedEntity != null) {
|
||||
if (relatedEntity.getDomainId().equals(
|
||||
existingEntity.getDomainId())) {
|
||||
relatedEntity.addRelatedEntity(
|
||||
existingEntity.getEntityType(), existingEntity.getEntityId());
|
||||
} else {
|
||||
// in this case the entity will be put, but the relation will be
|
||||
// ignored
|
||||
TimelinePutError error = new TimelinePutError();
|
||||
error.setEntityType(existingEntity.getEntityType());
|
||||
error.setEntityId(existingEntity.getEntityId());
|
||||
error.setErrorCode(TimelinePutError.FORBIDDEN_RELATION);
|
||||
response.addError(error);
|
||||
}
|
||||
} else {
|
||||
relatedEntity = new TimelineEntity();
|
||||
relatedEntity.setEntityId(relatedEntityId.getId());
|
||||
relatedEntity.setEntityType(relatedEntityId.getType());
|
||||
relatedEntity.setStartTime(existingEntity.getStartTime());
|
||||
relatedEntity.addRelatedEntity(existingEntity.getEntityType(),
|
||||
existingEntity.getEntityId());
|
||||
relatedEntity.setDomainId(existingEntity.getDomainId());
|
||||
entities.put(relatedEntityId, relatedEntity);
|
||||
entityInsertTimes.put(relatedEntityId, System.currentTimeMillis());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return response;
|
||||
}
|
||||
|
||||
public void put(TimelineDomain domain) throws IOException {
|
||||
TimelineDomain domainToReplace =
|
||||
domainsById.get(domain.getId());
|
||||
Long currentTimestamp = System.currentTimeMillis();
|
||||
TimelineDomain domainToStore = createTimelineDomain(
|
||||
domain.getId(), domain.getDescription(), domain.getOwner(),
|
||||
domain.getReaders(), domain.getWriters(),
|
||||
(domainToReplace == null ?
|
||||
currentTimestamp : domainToReplace.getCreatedTime()),
|
||||
currentTimestamp);
|
||||
domainsById.put(domainToStore.getId(), domainToStore);
|
||||
Set<TimelineDomain> domainsByOneOwner =
|
||||
domainsByOwner.get(domainToStore.getOwner());
|
||||
if (domainsByOneOwner == null) {
|
||||
domainsByOneOwner = new HashSet<TimelineDomain>();
|
||||
domainsByOwner.put(domainToStore.getOwner(), domainsByOneOwner);
|
||||
}
|
||||
if (domainToReplace != null) {
|
||||
domainsByOneOwner.remove(domainToReplace);
|
||||
}
|
||||
domainsByOneOwner.add(domainToStore);
|
||||
}
|
||||
|
||||
private static TimelineDomain createTimelineDomain(
|
||||
String id, String description, String owner,
|
||||
String readers, String writers,
|
||||
Long createdTime, Long modifiedTime) {
|
||||
TimelineDomain domainToStore = new TimelineDomain();
|
||||
domainToStore.setId(id);
|
||||
domainToStore.setDescription(description);
|
||||
domainToStore.setOwner(owner);
|
||||
domainToStore.setReaders(readers);
|
||||
domainToStore.setWriters(writers);
|
||||
domainToStore.setCreatedTime(createdTime);
|
||||
domainToStore.setModifiedTime(modifiedTime);
|
||||
return domainToStore;
|
||||
}
|
||||
|
||||
private static TimelineEntity maskFields(
|
||||
TimelineEntity entity, EnumSet<Field> fields) {
|
||||
// Conceal the fields that are not going to be exposed
|
||||
TimelineEntity entityToReturn = new TimelineEntity();
|
||||
entityToReturn.setEntityId(entity.getEntityId());
|
||||
entityToReturn.setEntityType(entity.getEntityType());
|
||||
entityToReturn.setStartTime(entity.getStartTime());
|
||||
entityToReturn.setDomainId(entity.getDomainId());
|
||||
// Deep copy
|
||||
if (fields.contains(Field.EVENTS)) {
|
||||
entityToReturn.addEvents(entity.getEvents());
|
||||
} else if (fields.contains(Field.LAST_EVENT_ONLY)) {
|
||||
entityToReturn.addEvent(entity.getEvents().get(0));
|
||||
} else {
|
||||
entityToReturn.setEvents(null);
|
||||
}
|
||||
if (fields.contains(Field.RELATED_ENTITIES)) {
|
||||
entityToReturn.addRelatedEntities(entity.getRelatedEntities());
|
||||
} else {
|
||||
entityToReturn.setRelatedEntities(null);
|
||||
}
|
||||
if (fields.contains(Field.PRIMARY_FILTERS)) {
|
||||
entityToReturn.addPrimaryFilters(entity.getPrimaryFilters());
|
||||
} else {
|
||||
entityToReturn.setPrimaryFilters(null);
|
||||
}
|
||||
if (fields.contains(Field.OTHER_INFO)) {
|
||||
entityToReturn.addOtherInfo(entity.getOtherInfo());
|
||||
} else {
|
||||
entityToReturn.setOtherInfo(null);
|
||||
}
|
||||
return entityToReturn;
|
||||
}
|
||||
|
||||
private static boolean matchFilter(Map<String, Object> tags,
|
||||
NameValuePair filter) {
|
||||
Object value = tags.get(filter.getName());
|
||||
if (value == null) { // doesn't have the filter
|
||||
return false;
|
||||
} else if (!value.equals(filter.getValue())) { // doesn't match the filter
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private static boolean matchPrimaryFilter(Map<String, Set<Object>> tags,
|
||||
NameValuePair filter) {
|
||||
Set<Object> value = tags.get(filter.getName());
|
||||
if (value == null) { // doesn't have the filter
|
||||
return false;
|
||||
} else {
|
||||
return value.contains(filter.getValue());
|
||||
}
|
||||
}
|
||||
|
||||
private static Object maybeConvert(Object o) {
|
||||
if (o instanceof Long) {
|
||||
Long l = (Long)o;
|
||||
if (l >= Integer.MIN_VALUE && l <= Integer.MAX_VALUE) {
|
||||
return l.intValue();
|
||||
}
|
||||
}
|
||||
return o;
|
||||
public MemoryTimelineStore(String name) {
|
||||
super(name);
|
||||
entities = new HashMapStoreAdapter<>();
|
||||
entityInsertTimes = new HashMapStoreAdapter<>();
|
||||
domainById = new HashMapStoreAdapter<>();
|
||||
domainsByOwner = new HashMapStoreAdapter<>();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,60 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.timeline;
|
||||
|
||||
import java.util.Iterator;
|
||||
|
||||
/**
|
||||
* An adapter for map timeline store implementations
|
||||
* @param <K> the type of the key set
|
||||
* @param <V> the type of the value set
|
||||
*/
|
||||
interface TimelineStoreMapAdapter<K, V> {
|
||||
/**
|
||||
* @param key
|
||||
* @return map(key)
|
||||
*/
|
||||
V get(K key);
|
||||
|
||||
/**
|
||||
* Add mapping key->value in the map
|
||||
* @param key
|
||||
* @param value
|
||||
*/
|
||||
void put(K key, V value);
|
||||
|
||||
/**
|
||||
* Remove mapping with key keyToRemove
|
||||
* @param keyToRemove
|
||||
*/
|
||||
void remove(K keyToRemove);
|
||||
|
||||
/**
|
||||
* @return the iterator of the value set of the map
|
||||
*/
|
||||
Iterator<V> valueSetIterator();
|
||||
|
||||
/**
|
||||
* Return the iterator of the value set of the map, starting from minV if type
|
||||
* V is comparable.
|
||||
* @param minV
|
||||
* @return
|
||||
*/
|
||||
Iterator<V> valueSetIterator(V minV);
|
||||
}
|
||||
|
|
@ -19,6 +19,7 @@
|
|||
package org.apache.hadoop.yarn.server.timeline.util;
|
||||
|
||||
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.io.WritableComparator;
|
||||
|
||||
import java.io.IOException;
|
||||
|
|
@ -177,4 +178,10 @@ public class LeveldbUtils {
|
|||
prefixlen) == 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Default permission mask for the level db dir
|
||||
*/
|
||||
public static final FsPermission LEVELDB_DIR_UMASK = FsPermission
|
||||
.createImmutable((short) 0700);
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -132,5 +132,9 @@
|
|||
<artifactId>mockito-all</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.fasterxml.jackson.core</groupId>
|
||||
<artifactId>jackson-databind</artifactId>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -102,7 +102,8 @@ public class EntityCacheItem {
|
|||
}
|
||||
if (!appLogs.getDetailLogs().isEmpty()) {
|
||||
if (store == null) {
|
||||
store = new MemoryTimelineStore();
|
||||
store = new LevelDBCacheTimelineStore(groupId.toString(),
|
||||
"LeveldbCache." + groupId);
|
||||
store.init(config);
|
||||
store.start();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,316 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.timeline;
|
||||
|
||||
import com.fasterxml.jackson.databind.ObjectMapper;
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Private;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.io.IOUtils;
|
||||
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
|
||||
import org.apache.hadoop.yarn.conf.YarnConfiguration;
|
||||
import org.apache.hadoop.yarn.server.timeline.util.LeveldbUtils;
|
||||
import org.fusesource.leveldbjni.JniDBFactory;
|
||||
import org.iq80.leveldb.DB;
|
||||
import org.iq80.leveldb.DBIterator;
|
||||
import org.iq80.leveldb.Options;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.Iterator;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* LevelDB implementation of {@link KeyValueBasedTimelineStore}. This
|
||||
* implementation stores the entity hash map into a LevelDB instance.
|
||||
* There are two partitions of the key space. One partition is to store a
|
||||
* entity id to start time mapping:
|
||||
*
|
||||
* i!ENTITY_ID!ENTITY_TYPE -> ENTITY_START_TIME
|
||||
*
|
||||
* The other partition is to store the actual data:
|
||||
*
|
||||
* e!START_TIME!ENTITY_ID!ENTITY_TYPE -> ENTITY_BYTES
|
||||
*
|
||||
* This storage does not have any garbage collection mechanism, and is designed
|
||||
* mainly for caching usages.
|
||||
*/
|
||||
@Private
|
||||
@Unstable
|
||||
public class LevelDBCacheTimelineStore extends KeyValueBasedTimelineStore {
|
||||
private static final Log LOG
|
||||
= LogFactory.getLog(LevelDBCacheTimelineStore.class);
|
||||
private static final String CACHED_LDB_FILE_PREFIX = "-timeline-cache.ldb";
|
||||
private String dbId;
|
||||
private DB entityDb;
|
||||
private Configuration configuration;
|
||||
|
||||
public LevelDBCacheTimelineStore(String id, String name) {
|
||||
super(name);
|
||||
dbId = id;
|
||||
entityInsertTimes = new MemoryTimelineStore.HashMapStoreAdapter<>();
|
||||
domainById = new MemoryTimelineStore.HashMapStoreAdapter<>();
|
||||
domainsByOwner = new MemoryTimelineStore.HashMapStoreAdapter<>();
|
||||
}
|
||||
|
||||
public LevelDBCacheTimelineStore(String id) {
|
||||
this(id, LevelDBCacheTimelineStore.class.getName());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void serviceInit(Configuration conf) throws Exception {
|
||||
configuration = conf;
|
||||
Options options = new Options();
|
||||
options.createIfMissing(true);
|
||||
options.cacheSize(conf.getLong(
|
||||
YarnConfiguration.TIMELINE_SERVICE_LEVELDB_CACHE_READ_CACHE_SIZE,
|
||||
YarnConfiguration.
|
||||
DEFAULT_TIMELINE_SERVICE_LEVELDB_CACHE_READ_CACHE_SIZE));
|
||||
JniDBFactory factory = new JniDBFactory();
|
||||
Path dbPath = new Path(
|
||||
conf.get(YarnConfiguration.TIMELINE_SERVICE_LEVELDB_PATH),
|
||||
dbId + CACHED_LDB_FILE_PREFIX);
|
||||
FileSystem localFS = null;
|
||||
|
||||
try {
|
||||
localFS = FileSystem.getLocal(conf);
|
||||
if (!localFS.exists(dbPath)) {
|
||||
if (!localFS.mkdirs(dbPath)) {
|
||||
throw new IOException("Couldn't create directory for leveldb " +
|
||||
"timeline store " + dbPath);
|
||||
}
|
||||
localFS.setPermission(dbPath, LeveldbUtils.LEVELDB_DIR_UMASK);
|
||||
}
|
||||
} finally {
|
||||
IOUtils.cleanup(LOG, localFS);
|
||||
}
|
||||
LOG.info("Using leveldb path " + dbPath);
|
||||
entityDb = factory.open(new File(dbPath.toString()), options);
|
||||
entities = new LevelDBMapAdapter<>(entityDb);
|
||||
|
||||
super.serviceInit(conf);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected synchronized void serviceStop() throws Exception {
|
||||
IOUtils.cleanup(LOG, entityDb);
|
||||
Path dbPath = new Path(
|
||||
configuration.get(YarnConfiguration.TIMELINE_SERVICE_LEVELDB_PATH),
|
||||
dbId + CACHED_LDB_FILE_PREFIX);
|
||||
FileSystem localFS = null;
|
||||
try {
|
||||
localFS = FileSystem.getLocal(configuration);
|
||||
if (!localFS.delete(dbPath, true)) {
|
||||
throw new IOException("Couldn't delete data file for leveldb " +
|
||||
"timeline store " + dbPath);
|
||||
}
|
||||
} finally {
|
||||
IOUtils.cleanup(LOG, localFS);
|
||||
}
|
||||
super.serviceStop();
|
||||
}
|
||||
|
||||
/**
|
||||
* A specialized hash map storage that uses LevelDB for storing entity id to
|
||||
* entity mappings.
|
||||
*
|
||||
* @param <K> an {@link EntityIdentifier} typed hash key
|
||||
* @param <V> a {@link TimelineEntity} typed value
|
||||
*/
|
||||
static class LevelDBMapAdapter<K extends EntityIdentifier,
|
||||
V extends TimelineEntity> implements TimelineStoreMapAdapter<K, V> {
|
||||
private static final String TIME_INDEX_PREFIX = "i";
|
||||
private static final String ENTITY_STORAGE_PREFIX = "e";
|
||||
DB entityDb;
|
||||
|
||||
public LevelDBMapAdapter(DB currLevelDb) {
|
||||
entityDb = currLevelDb;
|
||||
}
|
||||
|
||||
@Override
|
||||
public V get(K entityId) {
|
||||
V result = null;
|
||||
// Read the start time from the index
|
||||
byte[] startTimeBytes = entityDb.get(getStartTimeKey(entityId));
|
||||
if (startTimeBytes == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// Build the key for the entity storage and read it
|
||||
try {
|
||||
result = getEntityForKey(getEntityKey(entityId, startTimeBytes));
|
||||
} catch (IOException e) {
|
||||
LOG.error("GenericObjectMapper cannot read key from key "
|
||||
+ entityId.toString()
|
||||
+ " into an object. Read aborted! ");
|
||||
LOG.error(e.getMessage());
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void put(K entityId, V entity) {
|
||||
Long startTime = entity.getStartTime();
|
||||
if (startTime == null) {
|
||||
startTime = System.currentTimeMillis();
|
||||
}
|
||||
// Build the key for the entity storage and read it
|
||||
byte[] startTimeBytes = GenericObjectMapper.writeReverseOrderedLong(
|
||||
startTime);
|
||||
try {
|
||||
byte[] valueBytes = GenericObjectMapper.write(entity);
|
||||
entityDb.put(getEntityKey(entityId, startTimeBytes), valueBytes);
|
||||
} catch (IOException e) {
|
||||
LOG.error("GenericObjectMapper cannot write "
|
||||
+ entity.getClass().getName()
|
||||
+ " into a byte array. Write aborted! ");
|
||||
LOG.error(e.getMessage());
|
||||
}
|
||||
|
||||
// Build the key for the start time index
|
||||
entityDb.put(getStartTimeKey(entityId), startTimeBytes);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void remove(K entityId) {
|
||||
// Read the start time from the index (key starts with an "i") then delete
|
||||
// the record
|
||||
LeveldbUtils.KeyBuilder startTimeKeyBuilder
|
||||
= LeveldbUtils.KeyBuilder.newInstance();
|
||||
startTimeKeyBuilder.add(TIME_INDEX_PREFIX).add(entityId.getId())
|
||||
.add(entityId.getType());
|
||||
byte[] startTimeBytes = entityDb.get(startTimeKeyBuilder.getBytes());
|
||||
if (startTimeBytes == null) {
|
||||
return;
|
||||
}
|
||||
entityDb.delete(startTimeKeyBuilder.getBytes());
|
||||
|
||||
// Build the key for the entity storage and delete it
|
||||
entityDb.delete(getEntityKey(entityId, startTimeBytes));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Iterator<V> valueSetIterator() {
|
||||
return getIterator(null, Long.MAX_VALUE);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Iterator<V> valueSetIterator(V minV) {
|
||||
return getIterator(
|
||||
new EntityIdentifier(minV.getEntityId(), minV.getEntityType()),
|
||||
minV.getStartTime());
|
||||
}
|
||||
|
||||
private Iterator<V> getIterator(
|
||||
EntityIdentifier startId, long startTimeMax) {
|
||||
|
||||
final DBIterator internalDbIterator = entityDb.iterator();
|
||||
|
||||
// we need to iterate from the first element with key greater than or
|
||||
// equal to ENTITY_STORAGE_PREFIX!maxTS(!startId), but stop on the first
|
||||
// key who does not have prefix ENTITY_STORATE_PREFIX
|
||||
|
||||
// decide end prefix
|
||||
LeveldbUtils.KeyBuilder entityPrefixKeyBuilder
|
||||
= LeveldbUtils.KeyBuilder.newInstance();
|
||||
entityPrefixKeyBuilder.add(ENTITY_STORAGE_PREFIX);
|
||||
final byte[] prefixBytes = entityPrefixKeyBuilder.getBytesForLookup();
|
||||
// decide start prefix on top of end prefix and seek
|
||||
final byte[] startTimeBytes
|
||||
= GenericObjectMapper.writeReverseOrderedLong(startTimeMax);
|
||||
entityPrefixKeyBuilder.add(startTimeBytes, true);
|
||||
if (startId != null) {
|
||||
entityPrefixKeyBuilder.add(startId.getId());
|
||||
}
|
||||
final byte[] startPrefixBytes
|
||||
= entityPrefixKeyBuilder.getBytesForLookup();
|
||||
internalDbIterator.seek(startPrefixBytes);
|
||||
|
||||
return new Iterator<V>() {
|
||||
@Override
|
||||
public boolean hasNext() {
|
||||
if (!internalDbIterator.hasNext()) {
|
||||
return false;
|
||||
}
|
||||
Map.Entry<byte[], byte[]> nextEntry = internalDbIterator.peekNext();
|
||||
if (LeveldbUtils.prefixMatches(
|
||||
prefixBytes, prefixBytes.length, nextEntry.getKey())) {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public V next() {
|
||||
if (hasNext()) {
|
||||
Map.Entry<byte[], byte[]> nextRaw = internalDbIterator.next();
|
||||
try {
|
||||
V result = getEntityForKey(nextRaw.getKey());
|
||||
return result;
|
||||
} catch (IOException e) {
|
||||
LOG.error("GenericObjectMapper cannot read key from key "
|
||||
+ nextRaw.getKey()
|
||||
+ " into an object. Read aborted! ");
|
||||
LOG.error(e.getMessage());
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
// We do not support remove operations within one iteration
|
||||
@Override
|
||||
public void remove() {
|
||||
LOG.error("LevelDB map adapter does not support iterate-and-remove"
|
||||
+ " use cases. ");
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
private V getEntityForKey(byte[] key) throws IOException {
|
||||
byte[] resultRaw = entityDb.get(key);
|
||||
if (resultRaw == null) {
|
||||
return null;
|
||||
}
|
||||
ObjectMapper entityMapper = new ObjectMapper();
|
||||
return (V) entityMapper.readValue(resultRaw, TimelineEntity.class);
|
||||
}
|
||||
|
||||
private byte[] getStartTimeKey(K entityId) {
|
||||
LeveldbUtils.KeyBuilder startTimeKeyBuilder
|
||||
= LeveldbUtils.KeyBuilder.newInstance();
|
||||
startTimeKeyBuilder.add(TIME_INDEX_PREFIX).add(entityId.getId())
|
||||
.add(entityId.getType());
|
||||
return startTimeKeyBuilder.getBytes();
|
||||
}
|
||||
|
||||
private byte[] getEntityKey(K entityId, byte[] startTimeBytes) {
|
||||
LeveldbUtils.KeyBuilder entityKeyBuilder
|
||||
= LeveldbUtils.KeyBuilder.newInstance();
|
||||
entityKeyBuilder.add(ENTITY_STORAGE_PREFIX).add(startTimeBytes, true)
|
||||
.add(entityId.getId()).add(entityId.getType());
|
||||
return entityKeyBuilder.getBytes();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -200,7 +200,7 @@ class PluginStoreTestUtils {
|
|||
}
|
||||
|
||||
static TimelineDataManager getTdmWithMemStore(Configuration config) {
|
||||
TimelineStore store = new MemoryTimelineStore();
|
||||
TimelineStore store = new MemoryTimelineStore("MemoryStore.test");
|
||||
TimelineDataManager tdm = getTdmWithStore(config, store);
|
||||
return tdm;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,94 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.timeline;
|
||||
|
||||
import org.apache.hadoop.yarn.conf.YarnConfiguration;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
public class TestLevelDBCacheTimelineStore extends TimelineStoreTestUtils {
|
||||
|
||||
@Before
|
||||
public void setup() throws Exception {
|
||||
store = new LevelDBCacheTimelineStore("app1");
|
||||
store.init(new YarnConfiguration());
|
||||
store.start();
|
||||
loadTestEntityData();
|
||||
loadVerificationEntityData();
|
||||
loadTestDomainData();
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() throws Exception {
|
||||
store.stop();
|
||||
}
|
||||
|
||||
public TimelineStore getTimelineStore() {
|
||||
return store;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetSingleEntity() throws IOException {
|
||||
super.testGetSingleEntity();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetEntities() throws IOException {
|
||||
super.testGetEntities();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetEntitiesWithFromId() throws IOException {
|
||||
super.testGetEntitiesWithFromId();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetEntitiesWithFromTs() throws IOException {
|
||||
super.testGetEntitiesWithFromTs();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetEntitiesWithPrimaryFilters() throws IOException {
|
||||
super.testGetEntitiesWithPrimaryFilters();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetEntitiesWithSecondaryFilters() throws IOException {
|
||||
super.testGetEntitiesWithSecondaryFilters();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetEvents() throws IOException {
|
||||
super.testGetEvents();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetDomain() throws IOException {
|
||||
super.testGetDomain();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetDomains() throws IOException {
|
||||
super.testGetDomains();
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue