| /* |
| * 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.jackrabbit.oak.plugins.blob; |
| |
| import java.util.Date; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.management.openmbean.TabularData; |
| |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| import org.apache.jackrabbit.oak.api.jmx.CheckpointMBean; |
| import org.apache.jackrabbit.oak.spi.state.NodeStore; |
| import org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardUtils; |
| import org.apache.jackrabbit.oak.stats.Clock; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Adds BlobGC tests related to retrieving oldest checkpoint reference |
| */ |
| public class BlobGCCheckpointRefTest extends BlobGCTest { |
| protected CheckpointMBean checkpointMBean; |
| |
| @Override |
| @Before |
| public void before() throws Exception { |
| super.before(); |
| checkpointMBean = new MemoryStoreCheckpointMBean(cluster.nodeStore, clock); |
| WhiteboardUtils.registerMBean(wb, CheckpointMBean.class, checkpointMBean, |
| CheckpointMBean.TYPE, "Test checkpoint mbean"); |
| } |
| |
| @Test |
| public void gcCheckpointHeld() throws Exception { |
| log.info("Staring gcCheckpointHeld()"); |
| |
| long afterSetupTime = clock.getTime(); |
| log.info("afterSetupTime {}", afterSetupTime); |
| |
| checkpointMBean.createCheckpoint(100); |
| Set<String> afterCheckpointBlobs = createBlobs(cluster.blobStore, 2, 100); |
| Set<String> present = Sets.union(cluster.blobStoreState.blobsPresent, afterCheckpointBlobs); |
| long maxGcAge = checkpointMBean.getOldestCheckpointCreationTimestamp() - afterSetupTime; |
| |
| log.info("{} blobs remaining : {}", present.size(), present); |
| |
| Set<String> existingAfterGC = executeGarbageCollection(cluster, cluster.getCollector(maxGcAge), false); |
| assertTrue(Sets.symmetricDifference(present, existingAfterGC).isEmpty()); |
| } |
| |
| @Test |
| public void gcCheckpointHeldNoAddition() throws Exception { |
| log.info("Staring gcCheckpointHeldNoAddition()"); |
| |
| long afterSetupTime = clock.getTime(); |
| log.info("afterSetupTime {}", afterSetupTime); |
| |
| checkpointMBean.createCheckpoint(100); |
| long maxGcAge = checkpointMBean.getOldestCheckpointCreationTimestamp() - afterSetupTime; |
| |
| Set<String> existingAfterGC = executeGarbageCollection(cluster, cluster.getCollector(maxGcAge), false); |
| assertTrue(Sets.symmetricDifference(cluster.blobStoreState.blobsPresent, existingAfterGC).isEmpty()); |
| } |
| |
| @Test |
| public void gcCheckpointHeldMaxAgeChange() throws Exception { |
| log.info("Staring gcCheckpointHeldMaxAgeChange()"); |
| |
| long afterSetupTime = clock.getTime(); |
| log.info("{} afterSetupTime time", afterSetupTime); |
| |
| checkpointMBean.createCheckpoint(100); |
| Set<String> afterCheckpointBlobs = createBlobs(cluster.blobStore, 2, 100); |
| cluster.blobStoreState.blobsPresent.addAll(afterCheckpointBlobs); |
| |
| log.info("{} blobs added : {}", cluster.blobStoreState.blobsAdded.size(), cluster.blobStoreState.blobsAdded); |
| log.info("{} blobs remaining : {}", cluster.blobStoreState.blobsPresent.size(), cluster.blobStoreState.blobsPresent); |
| |
| long maxGcAge = checkpointMBean.getOldestCheckpointCreationTimestamp() - afterSetupTime; |
| log.info("Max age configured {}", maxGcAge); |
| |
| Set<String> existingAfterGC = executeGarbageCollection(cluster, cluster.getCollector(maxGcAge), false); |
| assertTrue(Sets.symmetricDifference(cluster.blobStoreState.blobsPresent, existingAfterGC).isEmpty()); |
| } |
| |
| /** |
| * CheckpointMBean implementation for MemoryNodeStore |
| */ |
| static class MemoryStoreCheckpointMBean implements CheckpointMBean { |
| private static final String CREATION_DATE = "creationDate"; |
| private final Clock clock; |
| private final NodeStore nodeStore; |
| |
| public MemoryStoreCheckpointMBean(NodeStore nodeStore, Clock clock) { |
| this.nodeStore = nodeStore; |
| this.clock = clock; |
| } |
| |
| @Override public TabularData listCheckpoints() { |
| throw new UnsupportedOperationException("Operation not supported"); |
| } |
| |
| @Override public long getOldestCheckpointCreationTimestamp() { |
| Iterable<String> checkpoints = nodeStore.checkpoints(); |
| long minCreationDate = Long.MAX_VALUE; |
| for (String checkpoint : checkpoints) { |
| Map<String, String> chkInfo = nodeStore.checkpointInfo(checkpoint); |
| |
| if (chkInfo.containsKey(CREATION_DATE) && |
| Long.valueOf(chkInfo.get(CREATION_DATE)) < minCreationDate) { |
| minCreationDate = Long.valueOf(chkInfo.get(CREATION_DATE)); |
| } |
| } |
| |
| if (minCreationDate == Long.MAX_VALUE) { |
| minCreationDate = 0; |
| } |
| |
| return minCreationDate; |
| } |
| |
| @Override public Date getOldestCheckpointCreationDate() { |
| return new Date(getOldestCheckpointCreationTimestamp()); |
| } |
| |
| @Override public String createCheckpoint(long lifetime) { |
| Map<String, String> props = Maps.newHashMap(); |
| props.put(CREATION_DATE, String.valueOf(clock.getTime())); |
| String checkpoint = nodeStore.checkpoint(lifetime, props); |
| |
| return checkpoint; |
| } |
| |
| @Override public boolean releaseCheckpoint(String id) { |
| return nodeStore.release(id); |
| } |
| } |
| } |