| /* |
| * 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.document; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| import com.google.common.collect.Iterators; |
| |
| import org.apache.jackrabbit.oak.commons.PathUtils; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.junit.Test; |
| |
| import static org.apache.jackrabbit.oak.plugins.document.Collection.NODES; |
| import static org.apache.jackrabbit.oak.plugins.document.SplitOperations.forDocument; |
| import static org.apache.jackrabbit.oak.plugins.document.util.Utils.getIdFromPath; |
| import static org.apache.jackrabbit.oak.plugins.document.util.Utils.getRootDocument; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| public class VersionGCSweepTest extends AbstractTwoNodeTest { |
| |
| public VersionGCSweepTest(DocumentStoreFixture fixture) { |
| super(fixture); |
| } |
| |
| @Test |
| public void oldSweepRevision() throws Exception { |
| clock.waitUntil(clock.getTime() + TimeUnit.SECONDS.toMillis(NodeDocument.MODIFIED_IN_SECS_RESOLUTION * 2)); |
| // run background update and read, but no sweep |
| manyChanges(ds1, "/foo"); |
| ds1.runBackgroundUpdateOperations(); |
| ds1.runBackgroundReadOperations(); |
| int ds1Splits = getNumSplitDocuments(store1, "/"); |
| assertTrue(ds1Splits > 0); |
| |
| manyChanges(ds2, "/bar"); |
| ds2.runBackgroundOperations(); |
| int ds2Splits = getNumSplitDocuments(store2, "/") - ds1Splits; |
| assertTrue(ds2Splits > 0); |
| |
| clock.waitUntil(clock.getTime() + TimeUnit.MINUTES.toMillis(10)); |
| VersionGarbageCollector gc = ds2.getVersionGarbageCollector(); |
| gc.gc(5, TimeUnit.MINUTES); |
| |
| // gc must collect split docs from ds2 |
| // but not from ds1, because its sweep revision |
| // is older than the gc maxRevisionAge |
| assertEquals(ds1Splits, getNumSplitDocuments(store2, "/")); |
| Iterator<NodeDocument> prevs = getRootDocument(store2).getAllPreviousDocs(); |
| while (prevs.hasNext()) { |
| for (Revision r : prevs.next().getAllChanges()) { |
| assertEquals(ds1.getClusterId(), r.getClusterId()); |
| } |
| } |
| } |
| |
| private void manyChanges(DocumentNodeStore ns, String path) |
| throws Exception { |
| for (int i = 0; i < 100; i++) { |
| NodeBuilder builder = ns.getRoot().builder(); |
| NodeBuilder nb = builder; |
| for (String name : PathUtils.elements(path)) { |
| nb = nb.child(name); |
| } |
| nb.setProperty("p", i); |
| // also set property on root node. this will use |
| // the root document as the commit root |
| builder.setProperty(String.valueOf(path.hashCode()), i); |
| TestUtils.merge(ns, builder); |
| if (i % 10 == 9) { |
| splitRoot(ns); |
| } |
| } |
| } |
| |
| private void splitRoot(DocumentNodeStore ns) throws Exception { |
| DocumentStore store = ns.getDocumentStore(); |
| NodeDocument doc = getRootDocument(store); |
| List<UpdateOp> ops = forDocument(doc, ns, ns.getHeadRevision(), |
| TestUtils.NO_BINARY, 2); |
| assertFalse(ops.isEmpty()); |
| store.createOrUpdate(NODES, ops); |
| } |
| |
| private static int getNumSplitDocuments(DocumentStore store, String path) |
| throws Exception { |
| NodeDocument doc = store.find(NODES, getIdFromPath(path)); |
| assertNotNull(doc); |
| return Iterators.size(doc.getAllPreviousDocs()); |
| } |
| } |