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Posted to oak-commits@jackrabbit.apache.org by am...@apache.org on 2015/08/06 06:21:29 UTC
svn commit: r1694398 - in /jackrabbit/oak/branches/1.0: ./
oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/
oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/
oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/
Author: amitj
Date: Thu Aug 6 04:21:28 2015
New Revision: 1694398
URL: http://svn.apache.org/r1694398
Log:
OAK-3174: [Blob GC] Make actual deletion of blobs synchronous
Merged revision 1694393 from trunk
Modified:
jackrabbit/oak/branches/1.0/ (props changed)
jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java
jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java
jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java
Propchange: jackrabbit/oak/branches/1.0/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Thu Aug 6 04:21:28 2015
@@ -1,2 +1,2 @@
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/jackrabbit/trunk:1345480
Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java?rev=1694398&r1=1694397&r2=1694398&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java Thu Aug 6 04:21:28 2015
@@ -272,13 +272,13 @@ public class MarkSweepGarbageCollector i
if (ids.size() > getBatchCount()) {
count += ids.size();
- executor.execute(new Sweeper(ids, exceptionQueue));
+ sweepInternal(ids, exceptionQueue);
ids = Lists.newArrayList();
}
}
if (!ids.isEmpty()) {
count += ids.size();
- executor.execute(new Sweeper(ids, exceptionQueue));
+ sweepInternal(ids, exceptionQueue);
}
count -= exceptionQueue.size();
@@ -323,35 +323,23 @@ public class MarkSweepGarbageCollector i
}
/**
- * Sweeper thread.
+ * Deletes a batch of blobs from blob store.
+ *
+ * @param ids
+ * @param exceptionQueue
*/
- class Sweeper implements Runnable {
-
- /** The exception queue. */
- private final ConcurrentLinkedQueue<String> exceptionQueue;
-
- /** The ids to sweep. */
- private final List<String> ids;
-
- public Sweeper(List<String> ids, ConcurrentLinkedQueue<String> exceptionQueue) {
- this.exceptionQueue = exceptionQueue;
- this.ids = ids;
- }
-
- @Override
- public void run() {
- try {
- LOG.debug("Blob ids to be deleted {}", ids);
- boolean deleted = blobStore.deleteChunks(ids, getLastMaxModifiedTime());
- if (!deleted) {
- // Only log and do not add to exception queue since some blobs may not match the
- // lastMaxModifiedTime criteria.
- LOG.debug("Some blobs were not deleted from the batch : [{}]", ids);
- }
- } catch (Exception e) {
- LOG.warn("Error occurred while deleting blob with ids [{}]", ids, e);
- exceptionQueue.addAll(ids);
+ private void sweepInternal(List<String> ids, ConcurrentLinkedQueue<String> exceptionQueue) {
+ try {
+ LOG.debug("Blob ids to be deleted {}", ids);
+ boolean deleted = blobStore.deleteChunks(ids, getLastMaxModifiedTime());
+ if (!deleted) {
+ // Only log and do not add to exception queue since some blobs may not match the
+ // lastMaxModifiedTime criteria.
+ LOG.debug("Some blobs were not deleted from the batch : [{}]", ids);
}
+ } catch (Exception e) {
+ LOG.warn("Error occurred while deleting blob with ids [{}]", ids, e);
+ exceptionQueue.addAll(ids);
}
}
Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java?rev=1694398&r1=1694397&r2=1694398&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoBlobGCTest.java Thu Aug 6 04:21:28 2015
@@ -23,6 +23,8 @@ import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import com.google.common.collect.Lists;
@@ -42,6 +44,7 @@ import org.apache.jackrabbit.oak.stats.C
import org.junit.Test;
import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertEquals;
/**
* Tests for MongoMK GC
@@ -146,13 +149,15 @@ public class MongoBlobGCTest extends Abs
}
private void gc(HashSet<String> set) throws Exception {
DocumentNodeStore store = mk.getNodeStore();
+ ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(10);
MarkSweepGarbageCollector gc = new MarkSweepGarbageCollector(
new DocumentBlobReferenceRetriever(store),
(GarbageCollectableBlobStore) store.getBlobStore(),
- MoreExecutors.sameThreadExecutor(),
+ executor,
"./target", 5, true, 0);
gc.collectGarbage();
-
+
+ assertEquals(1, executor.getTaskCount());
Set<String> existing = iterate();
boolean empty = Sets.intersection(set, existing).isEmpty();
assertTrue(empty && !existing.isEmpty());
Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java?rev=1694398&r1=1694397&r2=1694398&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/segment/SegmentDataStoreBlobGCTest.java Thu Aug 6 04:21:28 2015
@@ -18,6 +18,7 @@
*/
package org.apache.jackrabbit.oak.plugins.segment;
+import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
@@ -29,6 +30,8 @@ import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadPoolExecutor;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
@@ -121,14 +124,15 @@ public class SegmentDataStoreBlobGCTest
@Test
public void gc() throws Exception {
HashSet<String> set = setUp();
-
+
+ ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(10);
MarkSweepGarbageCollector gc = new MarkSweepGarbageCollector(
new SegmentBlobReferenceRetriever(store.getTracker()),
- (GarbageCollectableBlobStore) store.getBlobStore(),
- MoreExecutors.sameThreadExecutor(),
+ (GarbageCollectableBlobStore) store.getBlobStore(), executor,
"./target", 2048, true, 0);
gc.collectGarbage();
+ assertEquals(1, executor.getTaskCount());
Set<String> existing = iterate();
boolean empty = Sets.intersection(set, existing).isEmpty();
assertTrue(empty);