HDDS-245. Handle ContainerReports in the SCM. Contributed by Elek Marton.

This commit is contained in:
Xiaoyu Yao 2018-08-09 16:55:13 -07:00
parent b2517dd66b
commit f5dbbfe2e9
11 changed files with 555 additions and 21 deletions

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@ -147,7 +147,12 @@ public class EventQueue implements EventPublisher, AutoCloseable {
for (EventHandler handler : executorAndHandlers.getValue()) {
queuedCount.incrementAndGet();
if (LOG.isDebugEnabled()) {
LOG.debug("Delivering event {} to executor/handler {}: {}",
event.getName(),
executorAndHandlers.getKey().getName(),
payload);
}
executorAndHandlers.getKey()
.onMessage(handler, payload, this);

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@ -18,30 +18,131 @@
package org.apache.hadoop.hdds.scm.container;
import java.io.IOException;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
import org.apache.hadoop.hdds.protocol.proto
.StorageContainerDatanodeProtocolProtos.ContainerReportsProto;
import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo;
import org.apache.hadoop.hdds.scm.container.replication
.ReplicationActivityStatus;
import org.apache.hadoop.hdds.scm.container.replication.ReplicationRequest;
import org.apache.hadoop.hdds.scm.events.SCMEvents;
import org.apache.hadoop.hdds.scm.exceptions.SCMException;
import org.apache.hadoop.hdds.scm.node.states.Node2ContainerMap;
import org.apache.hadoop.hdds.scm.node.states.ReportResult;
import org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher
.ContainerReportFromDatanode;
import org.apache.hadoop.hdds.server.events.EventHandler;
import org.apache.hadoop.hdds.server.events.EventPublisher;
import com.google.common.base.Preconditions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Handles container reports from datanode.
*/
public class ContainerReportHandler implements
EventHandler<ContainerReportFromDatanode> {
private final Mapping containerMapping;
private static final Logger LOG =
LoggerFactory.getLogger(ContainerReportHandler.class);
private final Node2ContainerMap node2ContainerMap;
private final Mapping containerMapping;
private ContainerStateManager containerStateManager;
private ReplicationActivityStatus replicationStatus;
public ContainerReportHandler(Mapping containerMapping,
Node2ContainerMap node2ContainerMap) {
Node2ContainerMap node2ContainerMap,
ReplicationActivityStatus replicationActivityStatus) {
Preconditions.checkNotNull(containerMapping);
Preconditions.checkNotNull(node2ContainerMap);
Preconditions.checkNotNull(replicationActivityStatus);
this.containerMapping = containerMapping;
this.node2ContainerMap = node2ContainerMap;
this.containerStateManager = containerMapping.getStateManager();
this.replicationStatus = replicationActivityStatus;
}
@Override
public void onMessage(ContainerReportFromDatanode containerReportFromDatanode,
EventPublisher publisher) {
// TODO: process container report.
DatanodeDetails datanodeOrigin =
containerReportFromDatanode.getDatanodeDetails();
ContainerReportsProto containerReport =
containerReportFromDatanode.getReport();
try {
//update state in container db and trigger close container events
containerMapping.processContainerReports(datanodeOrigin, containerReport);
Set<ContainerID> containerIds = containerReport.getReportsList().stream()
.map(containerProto -> containerProto.getContainerID())
.map(ContainerID::new)
.collect(Collectors.toSet());
ReportResult reportResult = node2ContainerMap
.processReport(datanodeOrigin.getUuid(), containerIds);
//we have the report, so we can update the states for the next iteration.
node2ContainerMap
.setContainersForDatanode(datanodeOrigin.getUuid(), containerIds);
for (ContainerID containerID : reportResult.getMissingContainers()) {
containerStateManager
.removeContainerReplica(containerID, datanodeOrigin);
emitReplicationRequestEvent(containerID, publisher);
}
for (ContainerID containerID : reportResult.getNewContainers()) {
containerStateManager.addContainerReplica(containerID, datanodeOrigin);
emitReplicationRequestEvent(containerID, publisher);
}
} catch (IOException e) {
//TODO: stop all the replication?
LOG.error("Error on processing container report from datanode {}",
datanodeOrigin, e);
}
}
private void emitReplicationRequestEvent(ContainerID containerID,
EventPublisher publisher) throws SCMException {
ContainerInfo container = containerStateManager.getContainer(containerID);
if (container == null) {
//warning unknown container
LOG.warn(
"Container is missing from containerStateManager. Can't request "
+ "replication. {}",
containerID);
}
if (replicationStatus.isReplicationEnabled()) {
int existingReplicas =
containerStateManager.getContainerReplicas(containerID).size();
int expectedReplicas = container.getReplicationFactor().getNumber();
if (existingReplicas != expectedReplicas) {
publisher.fireEvent(SCMEvents.REPLICATE_CONTAINER,
new ReplicationRequest(containerID.getId(), existingReplicas,
container.getReplicationFactor().getNumber()));
}
}
}
}

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@ -0,0 +1,86 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hdds.scm.container.replication;
import javax.management.ObjectName;
import java.io.Closeable;
import java.io.IOException;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.hadoop.hdds.server.events.EventHandler;
import org.apache.hadoop.hdds.server.events.EventPublisher;
import org.apache.hadoop.metrics2.util.MBeans;
import com.google.common.annotations.VisibleForTesting;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Event listener to track the current state of replication.
*/
public class ReplicationActivityStatus
implements EventHandler<Boolean>, ReplicationActivityStatusMXBean,
Closeable {
private static final Logger LOG =
LoggerFactory.getLogger(ReplicationActivityStatus.class);
private AtomicBoolean replicationEnabled = new AtomicBoolean();
private ObjectName jmxObjectName;
public boolean isReplicationEnabled() {
return replicationEnabled.get();
}
@VisibleForTesting
public void setReplicationEnabled(boolean enabled) {
replicationEnabled.set(enabled);
}
@VisibleForTesting
public void enableReplication() {
replicationEnabled.set(true);
}
/**
* The replication status could be set by async events.
*/
@Override
public void onMessage(Boolean enabled, EventPublisher publisher) {
replicationEnabled.set(enabled);
}
public void start() {
try {
this.jmxObjectName =
MBeans.register(
"StorageContainerManager", "ReplicationActivityStatus", this);
} catch (Exception ex) {
LOG.error("JMX bean for ReplicationActivityStatus can't be registered",
ex);
}
}
@Override
public void close() throws IOException {
if (this.jmxObjectName != null) {
MBeans.unregister(jmxObjectName);
}
}
}

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@ -0,0 +1,28 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hdds.scm.container.replication;
/**
* JMX interface to monitor replication status.
*/
public interface ReplicationActivityStatusMXBean {
boolean isReplicationEnabled();
void setReplicationEnabled(boolean enabled);
}

View File

@ -29,18 +29,24 @@ import org.apache.commons.lang3.builder.HashCodeBuilder;
public class ReplicationRequest implements Comparable<ReplicationRequest>,
Serializable {
private final long containerId;
private final short replicationCount;
private final short expecReplicationCount;
private final int replicationCount;
private final int expecReplicationCount;
private final long timestamp;
public ReplicationRequest(long containerId, short replicationCount,
long timestamp, short expecReplicationCount) {
public ReplicationRequest(long containerId, int replicationCount,
long timestamp, int expecReplicationCount) {
this.containerId = containerId;
this.replicationCount = replicationCount;
this.timestamp = timestamp;
this.expecReplicationCount = expecReplicationCount;
}
public ReplicationRequest(long containerId, int replicationCount,
int expecReplicationCount) {
this(containerId, replicationCount, System.currentTimeMillis(),
expecReplicationCount);
}
/**
* Compares this object with the specified object for order. Returns a
* negative integer, zero, or a positive integer as this object is less
@ -93,7 +99,7 @@ public class ReplicationRequest implements Comparable<ReplicationRequest>,
return containerId;
}
public short getReplicationCount() {
public int getReplicationCount() {
return replicationCount;
}
@ -101,7 +107,17 @@ public class ReplicationRequest implements Comparable<ReplicationRequest>,
return timestamp;
}
public short getExpecReplicationCount() {
public int getExpecReplicationCount() {
return expecReplicationCount;
}
@Override
public String toString() {
return "ReplicationRequest{" +
"containerId=" + containerId +
", replicationCount=" + replicationCount +
", expecReplicationCount=" + expecReplicationCount +
", timestamp=" + timestamp +
'}';
}
}

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@ -173,6 +173,15 @@ public final class SCMEvents {
public static final TypedEvent<ReplicationCompleted> REPLICATION_COMPLETE =
new TypedEvent<>(ReplicationCompleted.class);
/**
* Signal for all the components (but especially for the replication
* manager and container report handler) that the replication could be
* started. Should be send only if (almost) all the container state are
* available from the datanodes.
*/
public static final TypedEvent<Boolean> START_REPLICATION =
new TypedEvent<>(Boolean.class);
/**
* Private Ctor. Never Constructed.
*/

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@ -23,6 +23,7 @@ import org.apache.hadoop.hdds.scm.container.ContainerID;
import org.apache.hadoop.hdds.scm.exceptions.SCMException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
@ -68,7 +69,8 @@ public class Node2ContainerMap {
throws SCMException {
Preconditions.checkNotNull(containerIDs);
Preconditions.checkNotNull(datanodeID);
if(dn2ContainerMap.putIfAbsent(datanodeID, containerIDs) != null) {
if (dn2ContainerMap.putIfAbsent(datanodeID, new HashSet<>(containerIDs))
!= null) {
throw new SCMException("Node already exists in the map",
DUPLICATE_DATANODE);
}
@ -82,11 +84,13 @@ public class Node2ContainerMap {
* @throws SCMException - if we don't know about this datanode, for new DN
* use insertNewDatanode.
*/
public void updateDatanodeMap(UUID datanodeID, Set<ContainerID> containers)
public void setContainersForDatanode(UUID datanodeID, Set<ContainerID> containers)
throws SCMException {
Preconditions.checkNotNull(datanodeID);
Preconditions.checkNotNull(containers);
if(dn2ContainerMap.computeIfPresent(datanodeID, (k, v) -> v) == null){
if (dn2ContainerMap
.computeIfPresent(datanodeID, (k, v) -> new HashSet<>(containers))
== null) {
throw new SCMException("No such datanode", NO_SUCH_DATANODE);
}
}

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@ -21,10 +21,13 @@ package org.apache.hadoop.hdds.scm.node.states;
import org.apache.hadoop.hdds.scm.container.ContainerID;
import java.util.Collections;
import java.util.Set;
import com.google.common.base.Preconditions;
/**
* A Container Report gets processsed by the Node2Container and returns the
* A Container Report gets processsed by the Node2Container and returns
* Report Result class.
*/
public class ReportResult {
@ -36,6 +39,8 @@ public class ReportResult {
Set<ContainerID> missingContainers,
Set<ContainerID> newContainers) {
this.status = status;
Preconditions.checkNotNull(missingContainers);
Preconditions.checkNotNull(newContainers);
this.missingContainers = missingContainers;
this.newContainers = newContainers;
}
@ -80,7 +85,16 @@ public class ReportResult {
}
ReportResult build() {
return new ReportResult(status, missingContainers, newContainers);
Set<ContainerID> nullSafeMissingContainers = this.missingContainers;
Set<ContainerID> nullSafeNewContainers = this.newContainers;
if (nullSafeNewContainers == null) {
nullSafeNewContainers = Collections.emptySet();
}
if (nullSafeMissingContainers == null) {
nullSafeMissingContainers = Collections.emptySet();
}
return new ReportResult(status, nullSafeMissingContainers, nullSafeNewContainers);
}
}
}

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@ -40,6 +40,8 @@ import org.apache.hadoop.hdds.scm.container.ContainerActionsHandler;
import org.apache.hadoop.hdds.scm.container.ContainerMapping;
import org.apache.hadoop.hdds.scm.container.ContainerReportHandler;
import org.apache.hadoop.hdds.scm.container.Mapping;
import org.apache.hadoop.hdds.scm.container.replication
.ReplicationActivityStatus;
import org.apache.hadoop.hdds.scm.container.replication.ReplicationManager;
import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo;
import org.apache.hadoop.hdds.scm.container.placement.algorithms
@ -164,9 +166,13 @@ public final class StorageContainerManager extends ServiceRuntimeInfoImpl
* Key = DatanodeUuid, value = ContainerStat.
*/
private Cache<String, ContainerStat> containerReportCache;
private final ReplicationManager replicationManager;
private final LeaseManager<Long> commandWatcherLeaseManager;
private final ReplicationActivityStatus replicationStatus;
/**
* Creates a new StorageContainerManager. Configuration will be updated
* with information on the
@ -199,19 +205,26 @@ public final class StorageContainerManager extends ServiceRuntimeInfoImpl
Node2ContainerMap node2ContainerMap = new Node2ContainerMap();
replicationStatus = new ReplicationActivityStatus();
CloseContainerEventHandler closeContainerHandler =
new CloseContainerEventHandler(scmContainerManager);
NodeReportHandler nodeReportHandler =
new NodeReportHandler(scmNodeManager);
ContainerReportHandler containerReportHandler =
new ContainerReportHandler(scmContainerManager, node2ContainerMap);
CommandStatusReportHandler cmdStatusReportHandler =
new CommandStatusReportHandler();
NewNodeHandler newNodeHandler = new NewNodeHandler(node2ContainerMap);
StaleNodeHandler staleNodeHandler = new StaleNodeHandler(node2ContainerMap);
DeadNodeHandler deadNodeHandler = new DeadNodeHandler(node2ContainerMap);
ContainerActionsHandler actionsHandler = new ContainerActionsHandler();
ContainerReportHandler containerReportHandler =
new ContainerReportHandler(scmContainerManager, node2ContainerMap,
replicationStatus);
eventQueue.addHandler(SCMEvents.DATANODE_COMMAND, scmNodeManager);
eventQueue.addHandler(SCMEvents.NODE_REPORT, nodeReportHandler);
eventQueue.addHandler(SCMEvents.CONTAINER_REPORT, containerReportHandler);
@ -221,6 +234,7 @@ public final class StorageContainerManager extends ServiceRuntimeInfoImpl
eventQueue.addHandler(SCMEvents.STALE_NODE, staleNodeHandler);
eventQueue.addHandler(SCMEvents.DEAD_NODE, deadNodeHandler);
eventQueue.addHandler(SCMEvents.CMD_STATUS_REPORT, cmdStatusReportHandler);
eventQueue.addHandler(SCMEvents.START_REPLICATION, replicationStatus);
long watcherTimeout =
conf.getTimeDuration(ScmConfigKeys.HDDS_SCM_WATCHER_TIMEOUT,
@ -580,6 +594,7 @@ public final class StorageContainerManager extends ServiceRuntimeInfoImpl
"server", getDatanodeProtocolServer().getDatanodeRpcAddress()));
getDatanodeProtocolServer().start();
replicationStatus.start();
httpServer.start();
scmBlockManager.start();
replicationManager.start();
@ -591,6 +606,14 @@ public final class StorageContainerManager extends ServiceRuntimeInfoImpl
*/
public void stop() {
try {
LOG.info("Stopping Replication Activity Status tracker.");
replicationStatus.close();
} catch (Exception ex) {
LOG.error("Replication Activity Status tracker stop failed.", ex);
}
try {
LOG.info("Stopping Replication Manager Service.");
replicationManager.stop();

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@ -0,0 +1,228 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hdds.scm.container;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.LifeCycleState;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationType;
import org.apache.hadoop.hdds.protocol.proto
.StorageContainerDatanodeProtocolProtos.ContainerReportsProto;
import org.apache.hadoop.hdds.scm.TestUtils;
import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo;
import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerInfo
.Builder;
import org.apache.hadoop.hdds.scm.container.common.helpers.Pipeline;
import org.apache.hadoop.hdds.scm.container.replication
.ReplicationActivityStatus;
import org.apache.hadoop.hdds.scm.container.replication.ReplicationRequest;
import org.apache.hadoop.hdds.scm.node.states.Node2ContainerMap;
import org.apache.hadoop.hdds.scm.pipelines.PipelineSelector;
import org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher
.ContainerReportFromDatanode;
import org.apache.hadoop.hdds.server.events.Event;
import org.apache.hadoop.hdds.server.events.EventPublisher;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import static org.mockito.Matchers.anyLong;
import org.mockito.Mockito;
import static org.mockito.Mockito.when;
import org.mockito.stubbing.Answer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Test the behaviour of the ContainerReportHandler.
*/
public class TestContainerReportHandler implements EventPublisher {
private List<Object> publishedEvents = new ArrayList<>();
private static final Logger LOG =
LoggerFactory.getLogger(TestContainerReportHandler.class);
@Before
public void resetEventCollector() {
publishedEvents.clear();
}
@Test
public void test() throws IOException {
//given
OzoneConfiguration conf = new OzoneConfiguration();
Node2ContainerMap node2ContainerMap = new Node2ContainerMap();
Mapping mapping = Mockito.mock(Mapping.class);
when(mapping.getContainer(anyLong()))
.thenAnswer(
(Answer<ContainerInfo>) invocation ->
new Builder()
.setReplicationFactor(ReplicationFactor.THREE)
.setContainerID((Long) invocation.getArguments()[0])
.build()
);
ContainerStateManager containerStateManager =
new ContainerStateManager(conf, mapping);
when(mapping.getStateManager()).thenReturn(containerStateManager);
ReplicationActivityStatus replicationActivityStatus =
new ReplicationActivityStatus();
ContainerReportHandler reportHandler =
new ContainerReportHandler(mapping, node2ContainerMap,
replicationActivityStatus);
DatanodeDetails dn1 = TestUtils.randomDatanodeDetails();
DatanodeDetails dn2 = TestUtils.randomDatanodeDetails();
DatanodeDetails dn3 = TestUtils.randomDatanodeDetails();
DatanodeDetails dn4 = TestUtils.randomDatanodeDetails();
node2ContainerMap.insertNewDatanode(dn1.getUuid(), new HashSet<>());
node2ContainerMap.insertNewDatanode(dn2.getUuid(), new HashSet<>());
node2ContainerMap.insertNewDatanode(dn3.getUuid(), new HashSet<>());
node2ContainerMap.insertNewDatanode(dn4.getUuid(), new HashSet<>());
PipelineSelector pipelineSelector = Mockito.mock(PipelineSelector.class);
Pipeline pipeline = new Pipeline("leader", LifeCycleState.CLOSED,
ReplicationType.STAND_ALONE, ReplicationFactor.THREE, "pipeline1");
when(pipelineSelector.getReplicationPipeline(ReplicationType.STAND_ALONE,
ReplicationFactor.THREE)).thenReturn(pipeline);
long c1 = containerStateManager
.allocateContainer(pipelineSelector, ReplicationType.STAND_ALONE,
ReplicationFactor.THREE, "root").getContainerInfo()
.getContainerID();
long c2 = containerStateManager
.allocateContainer(pipelineSelector, ReplicationType.STAND_ALONE,
ReplicationFactor.THREE, "root").getContainerInfo()
.getContainerID();
//when
//initial reports before replication is enabled. 2 containers w 3 replicas.
reportHandler.onMessage(
new ContainerReportFromDatanode(dn1,
createContainerReport(new long[] {c1, c2})), this);
reportHandler.onMessage(
new ContainerReportFromDatanode(dn2,
createContainerReport(new long[] {c1, c2})), this);
reportHandler.onMessage(
new ContainerReportFromDatanode(dn3,
createContainerReport(new long[] {c1, c2})), this);
reportHandler.onMessage(
new ContainerReportFromDatanode(dn4,
createContainerReport(new long[] {})), this);
Assert.assertEquals(0, publishedEvents.size());
replicationActivityStatus.enableReplication();
//no problem here
reportHandler.onMessage(
new ContainerReportFromDatanode(dn1,
createContainerReport(new long[] {c1, c2})), this);
Assert.assertEquals(0, publishedEvents.size());
//container is missing from d2
reportHandler.onMessage(
new ContainerReportFromDatanode(dn2,
createContainerReport(new long[] {c1})), this);
Assert.assertEquals(1, publishedEvents.size());
ReplicationRequest replicationRequest =
(ReplicationRequest) publishedEvents.get(0);
Assert.assertEquals(c2, replicationRequest.getContainerId());
Assert.assertEquals(3, replicationRequest.getExpecReplicationCount());
Assert.assertEquals(2, replicationRequest.getReplicationCount());
//container was replicated to dn4
reportHandler.onMessage(
new ContainerReportFromDatanode(dn4,
createContainerReport(new long[] {c2})), this);
//no more event, everything is perfect
Assert.assertEquals(1, publishedEvents.size());
//c2 was found at dn2 (it was missing before, magic)
reportHandler.onMessage(
new ContainerReportFromDatanode(dn2,
createContainerReport(new long[] {c1, c2})), this);
//c2 is over replicated (dn1,dn2,dn3,dn4)
Assert.assertEquals(2, publishedEvents.size());
replicationRequest =
(ReplicationRequest) publishedEvents.get(1);
Assert.assertEquals(c2, replicationRequest.getContainerId());
Assert.assertEquals(3, replicationRequest.getExpecReplicationCount());
Assert.assertEquals(4, replicationRequest.getReplicationCount());
}
private ContainerReportsProto createContainerReport(long[] containerIds) {
ContainerReportsProto.Builder crBuilder =
ContainerReportsProto.newBuilder();
for (long containerId : containerIds) {
org.apache.hadoop.hdds.protocol.proto
.StorageContainerDatanodeProtocolProtos.ContainerInfo.Builder
ciBuilder = org.apache.hadoop.hdds.protocol.proto
.StorageContainerDatanodeProtocolProtos.ContainerInfo.newBuilder();
ciBuilder.setFinalhash("e16cc9d6024365750ed8dbd194ea46d2")
.setSize(5368709120L)
.setUsed(2000000000L)
.setKeyCount(100000000L)
.setReadCount(100000000L)
.setWriteCount(100000000L)
.setReadBytes(2000000000L)
.setWriteBytes(2000000000L)
.setContainerID(containerId)
.setDeleteTransactionId(0);
crBuilder.addReports(ciBuilder.build());
}
return crBuilder.build();
}
@Override
public <PAYLOAD, EVENT_TYPE extends Event<PAYLOAD>> void fireEvent(
EVENT_TYPE event, PAYLOAD payload) {
LOG.info("Event is published: {}", payload);
publishedEvents.add(payload);
}
}

View File

@ -38,7 +38,7 @@ import java.util.concurrent.ConcurrentHashMap;
/**
* Test classes for Node2ContainerMap.
*/
public class Node2ContainerMapTest {
public class TestNode2ContainerMap {
private final static int DATANODE_COUNT = 300;
private final static int CONTAINER_COUNT = 1000;
private final Map<UUID, TreeSet<ContainerID>> testData = new
@ -119,6 +119,26 @@ public class Node2ContainerMapTest {
Node2ContainerMap.ReportStatus.ALL_IS_WELL);
}
@Test
public void testUpdateDatanodeMap() throws SCMException {
UUID datanodeId = getFirstKey();
Set<ContainerID> values = testData.get(datanodeId);
Node2ContainerMap map = new Node2ContainerMap();
map.insertNewDatanode(datanodeId, values);
Assert.assertTrue(map.isKnownDatanode(datanodeId));
Assert.assertEquals(CONTAINER_COUNT, map.getContainers(datanodeId).size());
//remove one container
values.remove(values.iterator().next());
Assert.assertEquals(CONTAINER_COUNT - 1, values.size());
Assert.assertEquals(CONTAINER_COUNT, map.getContainers(datanodeId).size());
map.setContainersForDatanode(datanodeId, values);
Assert.assertEquals(values.size(), map.getContainers(datanodeId).size());
Assert.assertEquals(values, map.getContainers(datanodeId));
}
@Test
public void testProcessReportInsertAll() throws SCMException {
Node2ContainerMap map = new Node2ContainerMap();
@ -183,7 +203,7 @@ public class Node2ContainerMapTest {
final int newCount = 100;
// This is not a mistake, the treeset seems to be reverse sorted.
ContainerID last = values.pollFirst();
ContainerID last = values.first();
TreeSet<ContainerID> addedContainers = new TreeSet<>();
for (int x = 1; x <= newCount; x++) {
long cTemp = last.getId() + x;
@ -224,7 +244,7 @@ public class Node2ContainerMapTest {
final int removeCount = 100;
Random r = new Random();
ContainerID first = values.pollLast();
ContainerID first = values.last();
TreeSet<ContainerID> removedContainers = new TreeSet<>();
// Pick a random container to remove it is ok to collide no issues.
@ -270,7 +290,7 @@ public class Node2ContainerMapTest {
final int removeCount = 100;
Random r = new Random();
ContainerID first = values.pollLast();
ContainerID first = values.last();
TreeSet<ContainerID> removedContainers = new TreeSet<>();
// Pick a random container to remove it is ok to collide no issues.