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Posted to oak-commits@jackrabbit.apache.org by am...@apache.org on 2015/09/02 11:21:58 UTC

svn commit: r1700743 - in /jackrabbit/oak/branches/1.2: ./ oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java

Author: amitj
Date: Wed Sep  2 09:21:58 2015
New Revision: 1700743

URL: http://svn.apache.org/r1700743
Log:
OAK-3312: [Blob GC] Test case for GC / OAK-3167

Merged revision 1700727 from trunk

Modified:
    jackrabbit/oak/branches/1.2/   (props changed)
    jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java
    jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java

Propchange: jackrabbit/oak/branches/1.2/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Sep  2 09:21:58 2015
@@ -1,3 +1,3 @@
 /jackrabbit/oak/branches/1.0:1665962
-/jackrabbit/oak/trunk:1672350,1672468,1672537,1672603,1672642,1672644,1672834-1672835,1673351,1673410,1673414-1673415,1673436,1673644,1673662-1673664,1673669,1673695,1673713,1673738,1673787,1673791,1674046,1674065,1674075,1674107,1674228,1674780,1674880,1675054-1675055,1675319,1675332,1675354,1675357,1675382,1675555,1675566,1675593,1676198,1676237,1676407,1676458,1676539,1676670,1676693,1676703,1676725,1677579,1677581,1677609,1677611,1677774,1677788,1677797,1677804,1677806,1677939,1677991,1678023,1678095-1678096,1678124,1678171,1678173,1678211,1678323,1678758,1678938,1678954,1679144,1679165,1679191,1679232,1679235,1679503,1679958,1679961,1680170,1680172,1680182,1680222,1680232,1680236,1680461,1680633,1680643,1680747,1680805-1680806,1680903,1681282,1681767,1681918,1681955,1682042,1682218,1682235,1682437,1682494,1682555,1682855,1682904,1683059,1683089,1683213,1683249,1683259,1683278,1683323,1683687,1683700,1684174-1684175,1684186,1684376,1684442,1684561,1684570,1684601,1684618,1684820
 ,1684868,1685023,1685075,1685370,1685552,1685589-1685590,1685840,1685964,1685977,1685989,1685999,1686023,1686032,1686097,1686162,1686229,1686234,1686253,1686414,1686780,1686854,1686857,1686971,1687053-1687055,1687175,1687196,1687198,1687220,1687239-1687240,1687301,1687441,1687553,1688089-1688090,1688172,1688179,1688349,1688421,1688436,1688453,1688616,1688622,1688634,1688636,1688817,1689003-1689004,1689008,1689577,1689581,1689623,1689810,1689828,1689831,1689833,1689903,1690017,1690043,1690047,1690057,1690247,1690249,1690634-1690637,1690650,1690669,1690674,1690885,1690941,1691139,1691151,1691159,1691167,1691183,1691188,1691210,1691280,1691307,1691331-1691333,1691345,1691384-1691385,1691401,1691509,1692133-1692134,1692156,1692250,1692274,1692363,1692382,1692478,1692955,1693002,1693030,1693209,1693421,1693525-1693526,1694007,1694393-1694394,1695050,1695122,1695280,1695299,1695457,1695482,1695507,1695521,1695540,1696194,1696242,1696285,1696578,1696759,1696916,1697363,1697373,1697410,1697
 582,1697589,1697616,1697672,1700191,1700231
+/jackrabbit/oak/trunk:1672350,1672468,1672537,1672603,1672642,1672644,1672834-1672835,1673351,1673410,1673414-1673415,1673436,1673644,1673662-1673664,1673669,1673695,1673713,1673738,1673787,1673791,1674046,1674065,1674075,1674107,1674228,1674780,1674880,1675054-1675055,1675319,1675332,1675354,1675357,1675382,1675555,1675566,1675593,1676198,1676237,1676407,1676458,1676539,1676670,1676693,1676703,1676725,1677579,1677581,1677609,1677611,1677774,1677788,1677797,1677804,1677806,1677939,1677991,1678023,1678095-1678096,1678124,1678171,1678173,1678211,1678323,1678758,1678938,1678954,1679144,1679165,1679191,1679232,1679235,1679503,1679958,1679961,1680170,1680172,1680182,1680222,1680232,1680236,1680461,1680633,1680643,1680747,1680805-1680806,1680903,1681282,1681767,1681918,1681955,1682042,1682218,1682235,1682437,1682494,1682555,1682855,1682904,1683059,1683089,1683213,1683249,1683259,1683278,1683323,1683687,1683700,1684174-1684175,1684186,1684376,1684442,1684561,1684570,1684601,1684618,1684820
 ,1684868,1685023,1685075,1685370,1685552,1685589-1685590,1685840,1685964,1685977,1685989,1685999,1686023,1686032,1686097,1686162,1686229,1686234,1686253,1686414,1686780,1686854,1686857,1686971,1687053-1687055,1687175,1687196,1687198,1687220,1687239-1687240,1687301,1687441,1687553,1688089-1688090,1688172,1688179,1688349,1688421,1688436,1688453,1688616,1688622,1688634,1688636,1688817,1689003-1689004,1689008,1689577,1689581,1689623,1689810,1689828,1689831,1689833,1689903,1690017,1690043,1690047,1690057,1690247,1690249,1690634-1690637,1690650,1690669,1690674,1690885,1690941,1691139,1691151,1691159,1691167,1691183,1691188,1691210,1691280,1691307,1691331-1691333,1691345,1691384-1691385,1691401,1691509,1692133-1692134,1692156,1692250,1692274,1692363,1692382,1692478,1692955,1693002,1693030,1693209,1693421,1693525-1693526,1694007,1694393-1694394,1695050,1695122,1695280,1695299,1695457,1695482,1695507,1695521,1695540,1696194,1696242,1696285,1696578,1696759,1696916,1697363,1697373,1697410,1697
 582,1697589,1697616,1697672,1700191,1700231,1700727
 /jackrabbit/trunk:1345480

Modified: jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java?rev=1700743&r1=1700742&r2=1700743&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java (original)
+++ jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java Wed Sep  2 09:21:58 2015
@@ -33,7 +33,6 @@ import java.util.concurrent.TimeUnit;
 
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
-import com.google.common.util.concurrent.MoreExecutors;
 import com.mongodb.BasicDBObject;
 import com.mongodb.DBCollection;
 import junit.framework.Assert;
@@ -56,9 +55,7 @@ import org.junit.Test;
 public class MongoBlobGCTest extends AbstractMongoConnectionTest {
     private Clock clock;
 
-    public HashSet<String> setUp(boolean deleteDirect) throws Exception {
-        HashSet<String> set = new HashSet<String>();
-
+    public DataStoreState setUp(boolean deleteDirect) throws Exception {
         DocumentNodeStore s = mk.getNodeStore();
         NodeBuilder a = s.getRoot().builder();
 
@@ -73,14 +70,18 @@ public class MongoBlobGCTest extends Abs
                 processed.add(n);
             }
         }
+    
+        DataStoreState state = new DataStoreState();
         for (int i = 0; i < number; i++) {
             Blob b = s.createBlob(randomStream(i, 16516));
-            if (!processed.contains(i)) {
-                Iterator<String> idIter =
-                        ((GarbageCollectableBlobStore) s.getBlobStore())
-                                .resolveChunks(b.toString());
-                while (idIter.hasNext()) {
-                    set.add(idIter.next());
+            Iterator<String> idIter =
+                    ((GarbageCollectableBlobStore) s.getBlobStore())
+                            .resolveChunks(b.toString());
+            while (idIter.hasNext()) {
+                String chunk = idIter.next();
+                state.blobsAdded.add(chunk);
+                if (!processed.contains(i)) {
+                    state.blobsPresent.add(chunk);
                 }
             }
             a.child("c" + i).setProperty("x", b);
@@ -106,9 +107,14 @@ public class MongoBlobGCTest extends Abs
             Assert.assertEquals(processed.size(), stats.deletedDocGCCount);
         }
 
-        return set;
+        return state;
     }
-
+    
+    private class DataStoreState {
+        Set<String> blobsAdded = Sets.newHashSet();
+        Set<String> blobsPresent = Sets.newHashSet();
+    }
+    
     public HashSet<String> addInlined() throws Exception {
         HashSet<String> set = new HashSet<String>();
         DocumentNodeStore s = mk.getNodeStore();
@@ -130,29 +136,41 @@ public class MongoBlobGCTest extends Abs
 
     @Test
     public void gcDirectMongoDelete() throws Exception {
-        HashSet<String> set = setUp(true);
-        gc(set);
+        DataStoreState state = setUp(true);
+        Set<String> existingAfterGC = gc(0);
+        assertTrue(Sets.symmetricDifference(state.blobsPresent, existingAfterGC).isEmpty());
     }
+    
+    @Test
+    public void noGc() throws Exception {
+        DataStoreState state = setUp(true);
+        Set<String> existingAfterGC = gc(86400);
+        assertTrue(Sets.symmetricDifference(state.blobsAdded, existingAfterGC).isEmpty());
+    }    
 
     @Test
     public void gcVersionDelete() throws Exception {
-        HashSet<String> set = setUp(false);
-        gc(set);
+        DataStoreState state = setUp(false);
+        Set<String> existingAfterGC = gc(0);
+        assertTrue(Sets.symmetricDifference(state.blobsPresent, existingAfterGC).isEmpty());
     }
 
     @Test
     public void gcDirectMongoDeleteWithInlined() throws Exception {
-        HashSet<String> set = setUp(true);
+        DataStoreState state = setUp(true);
         addInlined();
-        gc(set);
+        Set<String> existingAfterGC = gc(0);
+        assertTrue(Sets.symmetricDifference(state.blobsPresent, existingAfterGC).isEmpty());
     }
     @Test
     public void gcVersionDeleteWithInlined() throws Exception {
-        HashSet<String> set = setUp(false);
+        DataStoreState state = setUp(false);
         addInlined();
-        gc(set);
+        Set<String> existingAfterGC = gc(0);
+        assertTrue(Sets.symmetricDifference(state.blobsPresent, existingAfterGC).isEmpty());
     }
-    private void gc(HashSet<String> remaining) throws Exception {
+
+    private Set<String> gc(int blobGcMaxAgeInSecs) throws Exception {
         DocumentNodeStore store = mk.getNodeStore();
         String repoId = null;
         if (SharedDataStoreUtils.isShared(store.getBlobStore())) {
@@ -164,14 +182,11 @@ public class MongoBlobGCTest extends Abs
         ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(10);
         MarkSweepGarbageCollector gc = new MarkSweepGarbageCollector(
                 new DocumentBlobReferenceRetriever(store),
-                (GarbageCollectableBlobStore) store.getBlobStore(), executor, "./target", 5, 0, repoId);
-        Thread.sleep(4000);
+                (GarbageCollectableBlobStore) store.getBlobStore(), executor, "./target", 5, blobGcMaxAgeInSecs, repoId);
         gc.collectGarbage(false);
         
         assertEquals(0, executor.getTaskCount());
-        Set<String> existingAfterGC = iterate();
-        boolean empty = Sets.symmetricDifference(remaining, existingAfterGC).isEmpty();
-        assertTrue(empty);
+        return iterate();
     }
 
     protected Set<String> iterate() throws Exception {

Modified: jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java?rev=1700743&r1=1700742&r2=1700743&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java (original)
+++ jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java Wed Sep  2 09:21:58 2015
@@ -40,8 +40,6 @@ import java.util.concurrent.TimeUnit;
 
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
-
-import com.google.common.util.concurrent.MoreExecutors;
 import org.apache.commons.io.FileUtils;
 import org.apache.jackrabbit.oak.api.CommitFailedException;
 import org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector;
@@ -96,17 +94,15 @@ public class SegmentDataStoreBlobGCTest
         return new File("target", "DataStoreBlobGCTest");
     }
 
-    public HashSet<String> setUp() throws Exception {
+    public DataStoreState setUp() throws Exception {
         blobStore = DataStoreUtils.getBlobStore();
         nodeStore = getNodeStore(blobStore);
         startDate = new Date();
-
-        HashSet<String> set = new HashSet<String>();
-
+        
         NodeBuilder a = nodeStore.getRoot().builder();
 
         /* Create garbage by creating in-lined blobs (size < 16KB) */
-        int number = 10000;
+        int number = 4000;
         NodeBuilder content = a.child("content");
         for (int i = 0; i < number; i++) {
             NodeBuilder c = content.child("x" + i);
@@ -131,32 +127,32 @@ public class SegmentDataStoreBlobGCTest
 
         /* Create and delete nodes with blobs stored in DS*/
         int maxDeleted  = 5;
-        number = 10;
-        // track the number of the assets to be deleted
+        int numBlobs = 10;
         List<Integer> processed = Lists.newArrayList();
         Random rand = new Random();
         for (int i = 0; i < maxDeleted; i++) {
-            int n = rand.nextInt(number);
+            int n = rand.nextInt(numBlobs);
             if (!processed.contains(n)) {
                 processed.add(n);
             }
         }
-
-        List<String> createdBlobs = Lists.newArrayList();
-        for (int i = 0; i < number; i++) {
+    
+        DataStoreState state = new DataStoreState();
+        for (int i = 0; i < numBlobs; i++) {
             SegmentBlob b = (SegmentBlob) nodeStore.createBlob(randomStream(i, 16516));
-            createdBlobs.add(b.getBlobId());
-            if (!processed.contains(i)) {
-                Iterator<String> idIter = blobStore
-                        .resolveChunks(b.getBlobId());
-                while (idIter.hasNext()) {
-                    set.add(idIter.next());
+            Iterator<String> idIter = blobStore.resolveChunks(b.getBlobId());
+            while (idIter.hasNext()) {
+                String chunk = idIter.next();
+                state.blobsAdded.add(chunk);
+                if (!processed.contains(i)) {
+                    state.blobsPresent.add(chunk);
                 }
             }
             a.child("c" + i).setProperty("x", b);
         }
+        
         nodeStore.merge(a, EmptyHook.INSTANCE, CommitInfo.EMPTY);
-        log.info("Created blobs : {}", createdBlobs.size());
+        log.info("Created blobs : {}", state.blobsAdded.size());
 
         for (int id : processed) {
             delete("c" + id);
@@ -168,19 +164,40 @@ public class SegmentDataStoreBlobGCTest
         store.maybeCompact(false);
         store.cleanup();
 
-        return set;
+        return state;
     }
-
+    
+    private class DataStoreState {
+        Set<String> blobsAdded = Sets.newHashSet();
+        Set<String> blobsPresent = Sets.newHashSet();
+    }
+    
     private void delete(String nodeId) throws CommitFailedException {
         NodeBuilder builder = nodeStore.getRoot().builder();
         builder.child(nodeId).remove();
 
         nodeStore.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
     }
-
+    
     @Test
     public void gc() throws Exception {
-        HashSet<String> remaining = setUp();
+        DataStoreState state = setUp();
+        log.info("{} blobs that should remain after gc : {}", state.blobsPresent.size(), state.blobsPresent);
+        log.info("{} blobs for nodes which are deleted : {}", state.blobsPresent.size(), state.blobsPresent);
+        Set<String> existingAfterGC = gcInternal(0);
+        assertTrue(Sets.symmetricDifference(state.blobsPresent, existingAfterGC).isEmpty());
+    }
+    
+    @Test
+    public void noGc() throws Exception {
+        DataStoreState state = setUp();
+        log.info("{} blobs that should remain after gc : {}", state.blobsAdded.size(), state.blobsAdded);
+        log.info("{} blobs for nodes which are deleted : {}", state.blobsPresent.size(), state.blobsPresent);
+        Set<String> existingAfterGC = gcInternal(86400);
+        assertTrue(Sets.symmetricDifference(state.blobsAdded, existingAfterGC).isEmpty());
+    }
+    
+    private Set<String> gcInternal(long maxBlobGcInSecs) throws Exception {
         String repoId = null;
         if (SharedDataStoreUtils.isShared(store.getBlobStore())) {
             repoId = ClusterRepositoryInfo.createId(nodeStore);
@@ -192,16 +209,14 @@ public class SegmentDataStoreBlobGCTest
         ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(10);
         MarkSweepGarbageCollector gc = new MarkSweepGarbageCollector(
                 new SegmentBlobReferenceRetriever(store.getTracker()),
-                    (GarbageCollectableBlobStore) store.getBlobStore(), executor,
-                    "./target", 2048, 0, repoId);
+                    (GarbageCollectableBlobStore) store.getBlobStore(), executor, "./target", 2048, maxBlobGcInSecs, 
+                                                                        repoId);
         gc.collectGarbage(false);
 
         assertEquals(0, executor.getTaskCount());
         Set<String> existingAfterGC = iterate();
-        log.info("{} blobs that should have remained after gc : {}", remaining.size(), remaining);
         log.info("{} blobs existing after gc : {}", existingAfterGC.size(), existingAfterGC);
-
-        assertTrue(Sets.symmetricDifference(remaining, existingAfterGC).isEmpty());
+        return existingAfterGC;
     }
 
     protected Set<String> iterate() throws Exception {