mirror of https://github.com/apache/lucene.git
SOLR-571: autowarmCount on SolrCaches now supports relative percentages
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@938708 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Chris M. Hostetter
parent
c3a253ad9c
commit
1e7165f73d
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@ -140,6 +140,11 @@ New Features
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parameters for controlling the minimum shingle size produced by the filter, and
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the separator string that it uses, respectively. (Steven Rowe via rmuir)
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* SOLR-571: The autowarmCount for LRUCaches (LRUCache and FastLRUCache) now
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supports "percentages" which get evaluated relative the current size of
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the cache when warming happens.
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(Tomas Fernandez Lobbe and hossman)
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Optimizations
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----------------------
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@ -43,7 +43,7 @@ import java.util.concurrent.CopyOnWriteArrayList;
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* @see org.apache.solr.search.SolrCache
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* @since solr 1.4
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*/
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public class FastLRUCache<K,V> implements SolrCache<K,V> {
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public class FastLRUCache<K,V> extends SolrCacheBase implements SolrCache<K,V> {
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// contains the statistics objects for all open caches of the same type
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private List<ConcurrentLRUCache.Stats> statsList;
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@ -51,7 +51,7 @@ public class FastLRUCache<K,V> implements SolrCache<K,V> {
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private long warmupTime = 0;
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private String name;
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private int autowarmCount;
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private AutoWarmCountRef autowarm;
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private State state;
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private CacheRegenerator regenerator;
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private String description = "Concurrent LRU Cache";
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@ -86,8 +86,7 @@ public class FastLRUCache<K,V> implements SolrCache<K,V> {
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str = (String) args.get("initialSize");
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final int initialSize = str == null ? limit : Integer.parseInt(str);
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str = (String) args.get("autowarmCount");
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autowarmCount = str == null ? 0 : Integer.parseInt(str);
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autowarm = new AutoWarmCountRef((String)args.get("autowarmCount"));
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str = (String) args.get("cleanupThread");
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boolean newThread = str == null ? false : Boolean.parseBoolean(str);
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@ -97,8 +96,8 @@ public class FastLRUCache<K,V> implements SolrCache<K,V> {
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description = "Concurrent LRU Cache(maxSize=" + limit + ", initialSize=" + initialSize +
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", minSize="+minLimit + ", acceptableSize="+acceptableLimit+", cleanupThread="+newThread;
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if (autowarmCount > 0) {
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description += ", autowarmCount=" + autowarmCount + ", regenerator=" + regenerator;
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if (autowarm.isAutoWarmingOn()) {
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description += ", autowarmCount=" + autowarm + ", regenerator=" + regenerator;
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}
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description += ')';
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@ -154,9 +153,8 @@ public class FastLRUCache<K,V> implements SolrCache<K,V> {
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long warmingStartTime = System.currentTimeMillis();
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FastLRUCache other = (FastLRUCache) old;
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// warm entries
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if (autowarmCount != 0) {
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int sz = other.size();
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if (autowarmCount != -1) sz = Math.min(sz, autowarmCount);
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if (autowarm.isAutoWarmingOn()) {
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int sz = autowarm.getWarmCount(other.size());
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Map items = other.cache.getLatestAccessedItems(sz);
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Map.Entry[] itemsArr = new Map.Entry[items.size()];
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int counter = 0;
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@ -31,7 +31,7 @@ import java.net.URL;
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/**
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* @version $Id$
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*/
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public class LRUCache<K,V> implements SolrCache<K,V> {
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public class LRUCache<K,V> extends SolrCacheBase implements SolrCache<K,V> {
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/* An instance of this class will be shared across multiple instances
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* of an LRUCache at the same time. Make sure everything is thread safe.
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@ -56,7 +56,7 @@ public class LRUCache<K,V> implements SolrCache<K,V> {
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private Map<K,V> map;
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private String name;
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private int autowarmCount;
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private AutoWarmCountRef autowarm;
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private State state;
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private CacheRegenerator regenerator;
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private String description="LRU Cache";
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@ -69,13 +69,10 @@ public class LRUCache<K,V> implements SolrCache<K,V> {
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final int limit = str==null ? 1024 : Integer.parseInt(str);
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str = (String)args.get("initialSize");
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final int initialSize = Math.min(str==null ? 1024 : Integer.parseInt(str), limit);
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str = (String)args.get("autowarmCount");
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autowarmCount = str==null ? 0 : Integer.parseInt(str);
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autowarm = new AutoWarmCountRef((String)args.get("autowarmCount"));
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description = "LRU Cache(maxSize=" + limit + ", initialSize=" + initialSize;
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if (autowarmCount>0) {
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description += ", autowarmCount=" + autowarmCount
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+ ", regenerator=" + regenerator;
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if (autowarm.isAutoWarmingOn()) {
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description += ", autowarmCount=" + autowarm + ", regenerator=" + regenerator;
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}
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description += ')';
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@ -162,13 +159,14 @@ public class LRUCache<K,V> implements SolrCache<K,V> {
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LRUCache<K,V> other = (LRUCache<K,V>)old;
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// warm entries
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if (autowarmCount != 0) {
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if (autowarm.isAutoWarmingOn()) {
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Object[] keys,vals = null;
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// Don't do the autowarming in the synchronized block, just pull out the keys and values.
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synchronized (other.map) {
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int sz = other.map.size();
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if (autowarmCount!=-1) sz = Math.min(sz,autowarmCount);
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int sz = autowarm.getWarmCount(other.map.size());
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keys = new Object[sz];
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vals = new Object[sz];
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@ -0,0 +1,81 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* 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.solr.search;
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import org.apache.solr.common.SolrException;
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import org.apache.solr.common.util.NamedList;
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import org.apache.solr.common.util.SimpleOrderedMap;
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import org.apache.solr.core.SolrCore;
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import java.util.*;
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import java.util.concurrent.atomic.AtomicLong;
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import java.io.IOException;
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import java.net.URL;
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/**
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* Common base class of reusable functionality for SolrCaches
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*/
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public abstract class SolrCacheBase {
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/**
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* Decides how many things to autowarm based on the size of another cache
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*/
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public static class AutoWarmCountRef {
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private final int autoWarmCount;
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private final int autoWarmPercentage;
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private final boolean autoWarmByPercentage;
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private final boolean doAutoWarming;
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private final String strVal;
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public AutoWarmCountRef(final String configValue) {
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try {
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String input = (null == configValue) ? "0" : configValue.trim();
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// odd undocumented legacy behavior, -1 ment "all" (now "100%")
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strVal = ("-1".equals(input)) ? "100%" : input;
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if (strVal.indexOf("%") == (strVal.length() - 1)) {
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autoWarmCount = 0;
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autoWarmPercentage = Integer.parseInt(strVal.substring(0, strVal.length() - 1));
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autoWarmByPercentage = true;
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doAutoWarming = (0 < autoWarmPercentage);
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} else {
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autoWarmCount = Integer.parseInt(strVal);
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autoWarmPercentage = 0;
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autoWarmByPercentage = false;
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doAutoWarming = (0 < autoWarmCount);
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}
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} catch (Exception e) {
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throw new RuntimeException("Can't parse autoWarm value: " + configValue, e);
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}
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}
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public String toString() {
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return strVal;
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}
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public boolean isAutoWarmingOn() {
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return doAutoWarming;
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}
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public int getWarmCount(final int previousCacheSize) {
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return autoWarmByPercentage ?
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(previousCacheSize * autoWarmPercentage)/100 :
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Math.min(previousCacheSize, autoWarmCount);
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}
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}
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}
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@ -21,6 +21,7 @@ import org.apache.solr.common.util.NamedList;
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import org.apache.solr.common.util.ConcurrentLRUCache;
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import java.io.IOException;
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import java.io.Serializable;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Random;
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@ -35,12 +36,145 @@ import java.util.concurrent.atomic.AtomicInteger;
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* @since solr 1.4
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*/
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public class TestFastLRUCache extends TestCase {
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public void testSimple() throws IOException {
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FastLRUCache sc = new FastLRUCache();
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Map l = new HashMap();
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l.put("size", "100");
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l.put("initialSize", "10");
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l.put("autowarmCount", "25");
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public void testPercentageAutowarm() throws IOException {
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FastLRUCache<Object, Object> fastCache = new FastLRUCache<Object, Object>();
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Map<String, String> params = new HashMap<String, String>();
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params.put("size", "100");
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params.put("initialSize", "10");
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params.put("autowarmCount", "100%");
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CacheRegenerator cr = createCodeRegenerator();
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Object o = fastCache.init(params, null, cr);
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fastCache.setState(SolrCache.State.LIVE);
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for (int i = 0; i < 101; i++) {
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fastCache.put(i + 1, "" + (i + 1));
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}
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assertEquals("25", fastCache.get(25));
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assertEquals(null, fastCache.get(110));
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NamedList<Serializable> nl = fastCache.getStatistics();
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assertEquals(2L, nl.get("lookups"));
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assertEquals(1L, nl.get("hits"));
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assertEquals(101L, nl.get("inserts"));
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assertEquals(null, fastCache.get(1)); // first item put in should be the first out
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FastLRUCache<Object, Object> fastCacheNew = new FastLRUCache<Object, Object>();
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fastCacheNew.init(params, o, cr);
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fastCacheNew.warm(null, fastCache);
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fastCacheNew.setState(SolrCache.State.LIVE);
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fastCache.close();
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fastCacheNew.put(103, "103");
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assertEquals("90", fastCacheNew.get(90));
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assertEquals("50", fastCacheNew.get(50));
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nl = fastCacheNew.getStatistics();
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assertEquals(2L, nl.get("lookups"));
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assertEquals(2L, nl.get("hits"));
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assertEquals(1L, nl.get("inserts"));
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assertEquals(0L, nl.get("evictions"));
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assertEquals(5L, nl.get("cumulative_lookups"));
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assertEquals(3L, nl.get("cumulative_hits"));
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assertEquals(102L, nl.get("cumulative_inserts"));
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fastCacheNew.close();
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}
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public void testPercentageAutowarmMultiple() throws IOException {
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doTestPercentageAutowarm(100, 50, new int[]{51, 55, 60, 70, 80, 99, 100}, new int[]{1, 2, 3, 5, 10, 20, 30, 40, 50});
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doTestPercentageAutowarm(100, 25, new int[]{76, 80, 99, 100}, new int[]{1, 2, 3, 5, 10, 20, 30, 40, 50, 51, 55, 60, 70});
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doTestPercentageAutowarm(1000, 10, new int[]{901, 930, 950, 999, 1000}, new int[]{1, 5, 100, 200, 300, 400, 800, 899, 900});
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doTestPercentageAutowarm(100, 200, new int[]{1, 10, 25, 51, 55, 60, 70, 80, 99, 100}, new int[]{200, 300});
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doTestPercentageAutowarm(100, 0, new int[]{}, new int[]{1, 10, 25, 51, 55, 60, 70, 80, 99, 100, 200, 300});
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}
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private void doTestPercentageAutowarm(int limit, int percentage, int[] hits, int[]misses) throws IOException {
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FastLRUCache<Object, Object> fastCache = new FastLRUCache<Object, Object>();
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Map<String, String> params = new HashMap<String, String>();
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params.put("size", String.valueOf(limit));
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params.put("initialSize", "10");
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params.put("autowarmCount", percentage + "%");
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CacheRegenerator cr = createCodeRegenerator();
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Object o = fastCache.init(params, null, cr);
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fastCache.setState(SolrCache.State.LIVE);
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for (int i = 1; i <= limit; i++) {
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fastCache.put(i, "" + i);//adds numbers from 1 to 100
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}
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FastLRUCache<Object, Object> fastCacheNew = new FastLRUCache<Object, Object>();
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fastCacheNew.init(params, o, cr);
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fastCacheNew.warm(null, fastCache);
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fastCacheNew.setState(SolrCache.State.LIVE);
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fastCache.close();
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for(int hit:hits) {
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assertEquals("The value " + hit + " should be on new cache", String.valueOf(hit), fastCacheNew.get(hit));
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}
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for(int miss:misses) {
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assertEquals("The value " + miss + " should NOT be on new cache", null, fastCacheNew.get(miss));
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}
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NamedList<Serializable> nl = fastCacheNew.getStatistics();
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assertEquals(Long.valueOf(hits.length + misses.length), nl.get("lookups"));
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assertEquals(Long.valueOf(hits.length), nl.get("hits"));
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fastCacheNew.close();
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}
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public void testNoAutowarm() throws IOException {
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FastLRUCache<Object, Object> fastCache = new FastLRUCache<Object, Object>();
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Map<String, String> params = new HashMap<String, String>();
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params.put("size", "100");
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params.put("initialSize", "10");
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CacheRegenerator cr = createCodeRegenerator();
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Object o = fastCache.init(params, null, cr);
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fastCache.setState(SolrCache.State.LIVE);
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for (int i = 0; i < 101; i++) {
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fastCache.put(i + 1, "" + (i + 1));
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}
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assertEquals("25", fastCache.get(25));
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assertEquals(null, fastCache.get(110));
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NamedList<Serializable> nl = fastCache.getStatistics();
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assertEquals(2L, nl.get("lookups"));
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assertEquals(1L, nl.get("hits"));
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assertEquals(101L, nl.get("inserts"));
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assertEquals(null, fastCache.get(1)); // first item put in should be the first out
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FastLRUCache<Object, Object> fastCacheNew = new FastLRUCache<Object, Object>();
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fastCacheNew.init(params, o, cr);
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fastCacheNew.warm(null, fastCache);
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fastCacheNew.setState(SolrCache.State.LIVE);
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fastCache.close();
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fastCacheNew.put(103, "103");
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assertEquals(null, fastCacheNew.get(90));
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assertEquals(null, fastCacheNew.get(50));
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fastCacheNew.close();
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}
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public void testFullAutowarm() throws IOException {
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FastLRUCache<Object, Object> cache = new FastLRUCache<Object, Object>();
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Map<Object, Object> params = new HashMap<Object, Object>();
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params.put("size", "100");
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params.put("initialSize", "10");
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params.put("autowarmCount", "-1");
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CacheRegenerator cr = createCodeRegenerator();
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Object o = cache.init(params, null, cr);
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cache.setState(SolrCache.State.LIVE);
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for (int i = 0; i < 101; i++) {
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cache.put(i + 1, "" + (i + 1));
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}
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assertEquals("25", cache.get(25));
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assertEquals(null, cache.get(110));
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assertEquals(null, cache.get(1)); // first item put in should be the first out
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FastLRUCache<Object, Object> cacheNew = new FastLRUCache<Object, Object>();
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cacheNew.init(params, o, cr);
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cacheNew.warm(null, cache);
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cacheNew.setState(SolrCache.State.LIVE);
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cache.close();
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cacheNew.put(103, "103");
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assertEquals("90", cacheNew.get(90));
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assertEquals("50", cacheNew.get(50));
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assertEquals("103", cacheNew.get(103));
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cacheNew.close();
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}
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private CacheRegenerator createCodeRegenerator() {
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CacheRegenerator cr = new CacheRegenerator() {
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public boolean regenerateItem(SolrIndexSearcher newSearcher, SolrCache newCache,
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SolrCache oldCache, Object oldKey, Object oldVal) throws IOException {
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@ -48,6 +182,18 @@ public class TestFastLRUCache extends TestCase {
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return true;
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}
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};
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return cr;
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}
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public void testSimple() throws IOException {
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FastLRUCache sc = new FastLRUCache();
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Map l = new HashMap();
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l.put("size", "100");
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l.put("initialSize", "10");
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l.put("autowarmCount", "25");
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CacheRegenerator cr = createCodeRegenerator();
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Object o = sc.init(l, null, cr);
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sc.setState(SolrCache.State.LIVE);
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for (int i = 0; i < 101; i++) {
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@ -0,0 +1,120 @@
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package org.apache.solr.search;
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import java.io.IOException;
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import java.io.Serializable;
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import java.util.HashMap;
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import java.util.Map;
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import junit.framework.TestCase;
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import org.apache.solr.common.util.NamedList;
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/**
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* Test for <code>org.apache.solr.search.LRUCache</code>
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*/
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public class TestLRUCache extends TestCase {
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public void testFullAutowarm() throws IOException {
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LRUCache<Object, Object> lruCache = new LRUCache<Object, Object>();
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Map<String, String> params = new HashMap<String, String>();
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params.put("size", "100");
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params.put("initialSize", "10");
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params.put("autowarmCount", "100%");
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CacheRegenerator cr = createCodeRegenerator();
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Object o = lruCache.init(params, null, cr);
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lruCache.setState(SolrCache.State.LIVE);
|
||||
for (int i = 0; i < 101; i++) {
|
||||
lruCache.put(i + 1, "" + (i + 1));
|
||||
}
|
||||
assertEquals("25", lruCache.get(25));
|
||||
assertEquals(null, lruCache.get(110));
|
||||
assertEquals(null, lruCache.get(1)); // first item put in should be the first out
|
||||
LRUCache<Object, Object> lruCacheNew = new LRUCache<Object, Object>();
|
||||
lruCacheNew.init(params, o, cr);
|
||||
lruCacheNew.warm(null, lruCache);
|
||||
lruCacheNew.setState(SolrCache.State.LIVE);
|
||||
lruCache.close();
|
||||
lruCacheNew.put(103, "103");
|
||||
assertEquals("90", lruCacheNew.get(90));
|
||||
assertEquals("50", lruCacheNew.get(50));
|
||||
lruCacheNew.close();
|
||||
}
|
||||
|
||||
public void testPercentageAutowarm() throws IOException {
|
||||
doTestPercentageAutowarm(100, 50, new int[]{51, 55, 60, 70, 80, 99, 100}, new int[]{1, 2, 3, 5, 10, 20, 30, 40, 50});
|
||||
doTestPercentageAutowarm(100, 25, new int[]{76, 80, 99, 100}, new int[]{1, 2, 3, 5, 10, 20, 30, 40, 50, 51, 55, 60, 70});
|
||||
doTestPercentageAutowarm(1000, 10, new int[]{901, 930, 950, 999, 1000}, new int[]{1, 5, 100, 200, 300, 400, 800, 899, 900});
|
||||
doTestPercentageAutowarm(10, 10, new int[]{10}, new int[]{1, 5, 9, 100, 200, 300, 400, 800, 899, 900});
|
||||
}
|
||||
|
||||
private void doTestPercentageAutowarm(int limit, int percentage, int[] hits, int[]misses) throws IOException {
|
||||
LRUCache<Object, Object> lruCache = new LRUCache<Object, Object>();
|
||||
Map<String, String> params = new HashMap<String, String>();
|
||||
params.put("size", String.valueOf(limit));
|
||||
params.put("initialSize", "10");
|
||||
params.put("autowarmCount", percentage + "%");
|
||||
CacheRegenerator cr = createCodeRegenerator();
|
||||
Object o = lruCache.init(params, null, cr);
|
||||
lruCache.setState(SolrCache.State.LIVE);
|
||||
for (int i = 1; i <= limit; i++) {
|
||||
lruCache.put(i, "" + i);//adds numbers from 1 to 100
|
||||
}
|
||||
|
||||
LRUCache<Object, Object> lruCacheNew = new LRUCache<Object, Object>();
|
||||
lruCacheNew.init(params, o, cr);
|
||||
lruCacheNew.warm(null, lruCache);
|
||||
lruCacheNew.setState(SolrCache.State.LIVE);
|
||||
lruCache.close();
|
||||
|
||||
for(int hit:hits) {
|
||||
assertEquals("The value " + hit + " should be on new cache", String.valueOf(hit), lruCacheNew.get(hit));
|
||||
}
|
||||
|
||||
for(int miss:misses) {
|
||||
assertEquals("The value " + miss + " should NOT be on new cache", null, lruCacheNew.get(miss));
|
||||
}
|
||||
lruCacheNew.close();
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
public void testNoAutowarm() throws IOException {
|
||||
LRUCache<Object, Object> lruCache = new LRUCache<Object, Object>();
|
||||
Map<String, String> params = new HashMap<String, String>();
|
||||
params.put("size", "100");
|
||||
params.put("initialSize", "10");
|
||||
CacheRegenerator cr = createCodeRegenerator();
|
||||
Object o = lruCache.init(params, null, cr);
|
||||
lruCache.setState(SolrCache.State.LIVE);
|
||||
for (int i = 0; i < 101; i++) {
|
||||
lruCache.put(i + 1, "" + (i + 1));
|
||||
}
|
||||
assertEquals("25", lruCache.get(25));
|
||||
assertEquals(null, lruCache.get(110));
|
||||
NamedList<Serializable> nl = lruCache.getStatistics();
|
||||
assertEquals(2L, nl.get("lookups"));
|
||||
assertEquals(1L, nl.get("hits"));
|
||||
assertEquals(101L, nl.get("inserts"));
|
||||
assertEquals(null, lruCache.get(1)); // first item put in should be the first out
|
||||
LRUCache<Object, Object> lruCacheNew = new LRUCache<Object, Object>();
|
||||
lruCacheNew.init(params, o, cr);
|
||||
lruCacheNew.warm(null, lruCache);
|
||||
lruCacheNew.setState(SolrCache.State.LIVE);
|
||||
lruCache.close();
|
||||
lruCacheNew.put(103, "103");
|
||||
assertEquals(null, lruCacheNew.get(90));
|
||||
assertEquals(null, lruCacheNew.get(50));
|
||||
lruCacheNew.close();
|
||||
}
|
||||
|
||||
private CacheRegenerator createCodeRegenerator() {
|
||||
CacheRegenerator cr = new CacheRegenerator() {
|
||||
@SuppressWarnings("unchecked")
|
||||
public boolean regenerateItem(SolrIndexSearcher newSearcher, SolrCache newCache,
|
||||
SolrCache oldCache, Object oldKey, Object oldVal) throws IOException {
|
||||
newCache.put(oldKey, oldVal);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
return cr;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue