HBASE-17373: Fixing bug in moving segments from compaction pipeline to snapshot
Signed-off-by: Michael Stack <stack@apache.org>
This commit is contained in:
parent
c3d5f268cf
commit
69ce5967fd
|
@ -213,8 +213,10 @@ public class CompactingMemStore extends AbstractMemStore {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// the getSegments() method is used for tests only
|
||||||
|
@VisibleForTesting
|
||||||
@Override
|
@Override
|
||||||
public List<Segment> getSegments() {
|
protected List<Segment> getSegments() {
|
||||||
List<Segment> pipelineList = pipeline.getSegments();
|
List<Segment> pipelineList = pipeline.getSegments();
|
||||||
List<Segment> list = new ArrayList<Segment>(pipelineList.size() + 2);
|
List<Segment> list = new ArrayList<Segment>(pipelineList.size() + 2);
|
||||||
list.add(this.active);
|
list.add(this.active);
|
||||||
|
@ -266,6 +268,7 @@ public class CompactingMemStore extends AbstractMemStore {
|
||||||
long order = pipelineList.size();
|
long order = pipelineList.size();
|
||||||
// The list of elements in pipeline + the active element + the snapshot segment
|
// The list of elements in pipeline + the active element + the snapshot segment
|
||||||
// TODO : This will change when the snapshot is made of more than one element
|
// TODO : This will change when the snapshot is made of more than one element
|
||||||
|
// The order is the Segment ordinal
|
||||||
List<KeyValueScanner> list = new ArrayList<KeyValueScanner>(pipelineList.size() + 2);
|
List<KeyValueScanner> list = new ArrayList<KeyValueScanner>(pipelineList.size() + 2);
|
||||||
list.add(this.active.getScanner(readPt, order + 1));
|
list.add(this.active.getScanner(readPt, order + 1));
|
||||||
for (Segment item : pipelineList) {
|
for (Segment item : pipelineList) {
|
||||||
|
@ -374,10 +377,18 @@ public class CompactingMemStore extends AbstractMemStore {
|
||||||
}
|
}
|
||||||
|
|
||||||
private void pushTailToSnapshot() {
|
private void pushTailToSnapshot() {
|
||||||
ImmutableSegment tail = pipeline.pullTail();
|
VersionedSegmentsList segments = pipeline.getVersionedTail();
|
||||||
if (!tail.isEmpty()) {
|
pushToSnapshot(segments.getStoreSegments());
|
||||||
this.snapshot = tail;
|
pipeline.swap(segments,null,false); // do not close segments as they are in snapshot now
|
||||||
|
}
|
||||||
|
|
||||||
|
private void pushToSnapshot(List<ImmutableSegment> segments) {
|
||||||
|
if(segments.isEmpty()) return;
|
||||||
|
if(segments.size() == 1 && !segments.get(0).isEmpty()) {
|
||||||
|
this.snapshot = segments.get(0);
|
||||||
|
return;
|
||||||
}
|
}
|
||||||
|
// TODO else craete composite snapshot
|
||||||
}
|
}
|
||||||
|
|
||||||
private RegionServicesForStores getRegionServices() {
|
private RegionServicesForStores getRegionServices() {
|
||||||
|
|
|
@ -18,6 +18,7 @@
|
||||||
*/
|
*/
|
||||||
package org.apache.hadoop.hbase.regionserver;
|
package org.apache.hadoop.hbase.regionserver;
|
||||||
|
|
||||||
|
import java.util.ArrayList;
|
||||||
import java.util.Iterator;
|
import java.util.Iterator;
|
||||||
import java.util.LinkedList;
|
import java.util.LinkedList;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
@ -45,18 +46,14 @@ public class CompactionPipeline {
|
||||||
public final static long FIXED_OVERHEAD = ClassSize
|
public final static long FIXED_OVERHEAD = ClassSize
|
||||||
.align(ClassSize.OBJECT + (2 * ClassSize.REFERENCE) + Bytes.SIZEOF_LONG);
|
.align(ClassSize.OBJECT + (2 * ClassSize.REFERENCE) + Bytes.SIZEOF_LONG);
|
||||||
public final static long DEEP_OVERHEAD = FIXED_OVERHEAD + ClassSize.LINKEDLIST;
|
public final static long DEEP_OVERHEAD = FIXED_OVERHEAD + ClassSize.LINKEDLIST;
|
||||||
public final static long ENTRY_OVERHEAD = ClassSize.LINKEDLIST_ENTRY;
|
|
||||||
|
|
||||||
private final RegionServicesForStores region;
|
private final RegionServicesForStores region;
|
||||||
private LinkedList<ImmutableSegment> pipeline;
|
private LinkedList<ImmutableSegment> pipeline;
|
||||||
private long version;
|
private long version;
|
||||||
|
|
||||||
private static final ImmutableSegment EMPTY_MEM_STORE_SEGMENT = SegmentFactory.instance()
|
|
||||||
.createImmutableSegment((CellComparator) null);
|
|
||||||
|
|
||||||
public CompactionPipeline(RegionServicesForStores region) {
|
public CompactionPipeline(RegionServicesForStores region) {
|
||||||
this.region = region;
|
this.region = region;
|
||||||
this.pipeline = new LinkedList<ImmutableSegment>();
|
this.pipeline = new LinkedList<>();
|
||||||
this.version = 0;
|
this.version = 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -68,31 +65,33 @@ public class CompactionPipeline {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
public ImmutableSegment pullTail() {
|
public VersionedSegmentsList getVersionedList() {
|
||||||
synchronized (pipeline){
|
synchronized (pipeline){
|
||||||
if(pipeline.isEmpty()) {
|
List<ImmutableSegment> segmentList = new ArrayList<>(pipeline);
|
||||||
return EMPTY_MEM_STORE_SEGMENT;
|
return new VersionedSegmentsList(segmentList, version);
|
||||||
}
|
|
||||||
return removeLast();
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
public VersionedSegmentsList getVersionedList() {
|
public VersionedSegmentsList getVersionedTail() {
|
||||||
synchronized (pipeline){
|
synchronized (pipeline){
|
||||||
LinkedList<ImmutableSegment> segmentList = new LinkedList<ImmutableSegment>(pipeline);
|
List<ImmutableSegment> segmentList = new ArrayList<>();
|
||||||
VersionedSegmentsList res = new VersionedSegmentsList(segmentList, version);
|
if(!pipeline.isEmpty()) {
|
||||||
return res;
|
segmentList.add(0, pipeline.getLast());
|
||||||
|
}
|
||||||
|
return new VersionedSegmentsList(segmentList, version);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Swaps the versioned list at the tail of the pipeline with the new compacted segment.
|
* Swaps the versioned list at the tail of the pipeline with a new segment.
|
||||||
* Swapping only if there were no changes to the suffix of the list while it was compacted.
|
* Swapping only if there were no changes to the suffix of the list since the version list was
|
||||||
* @param versionedList tail of the pipeline that was compacted
|
* created.
|
||||||
* @param segment new compacted segment
|
* @param versionedList suffix of the pipeline to be replaced can be tail or all the pipeline
|
||||||
|
* @param segment new segment to replace the suffix. Can be null if the suffix just needs to be
|
||||||
|
* removed.
|
||||||
* @param closeSuffix whether to close the suffix (to release memory), as part of swapping it out
|
* @param closeSuffix whether to close the suffix (to release memory), as part of swapping it out
|
||||||
* During index merge op this will be false and for compaction it will be true.
|
* During index merge op this will be false and for compaction it will be true.
|
||||||
* @return true iff swapped tail with new compacted segment
|
* @return true iff swapped tail with new segment
|
||||||
*/
|
*/
|
||||||
public boolean swap(
|
public boolean swap(
|
||||||
VersionedSegmentsList versionedList, ImmutableSegment segment, boolean closeSuffix) {
|
VersionedSegmentsList versionedList, ImmutableSegment segment, boolean closeSuffix) {
|
||||||
|
@ -106,26 +105,32 @@ public class CompactionPipeline {
|
||||||
}
|
}
|
||||||
suffix = versionedList.getStoreSegments();
|
suffix = versionedList.getStoreSegments();
|
||||||
if (LOG.isDebugEnabled()) {
|
if (LOG.isDebugEnabled()) {
|
||||||
LOG.debug("Swapping pipeline suffix with compacted item. "
|
int count = 0;
|
||||||
|
if(segment != null) {
|
||||||
|
count = segment.getCellsCount();
|
||||||
|
}
|
||||||
|
LOG.debug("Swapping pipeline suffix. "
|
||||||
+ "Just before the swap the number of segments in pipeline is:"
|
+ "Just before the swap the number of segments in pipeline is:"
|
||||||
+ versionedList.getStoreSegments().size()
|
+ versionedList.getStoreSegments().size()
|
||||||
+ ", and the number of cells in new segment is:" + segment.getCellsCount());
|
+ ", and the number of cells in new segment is:" + count);
|
||||||
}
|
}
|
||||||
swapSuffix(suffix,segment, closeSuffix);
|
swapSuffix(suffix, segment, closeSuffix);
|
||||||
}
|
}
|
||||||
if (region != null) {
|
if (closeSuffix && region != null) {
|
||||||
// update the global memstore size counter
|
// update the global memstore size counter
|
||||||
long suffixDataSize = getSegmentsKeySize(suffix);
|
long suffixDataSize = getSegmentsKeySize(suffix);
|
||||||
long newDataSize = segment.keySize();
|
long newDataSize = 0;
|
||||||
|
if(segment != null) newDataSize = segment.keySize();
|
||||||
long dataSizeDelta = suffixDataSize - newDataSize;
|
long dataSizeDelta = suffixDataSize - newDataSize;
|
||||||
long suffixHeapOverhead = getSegmentsHeapOverhead(suffix);
|
long suffixHeapOverhead = getSegmentsHeapOverhead(suffix);
|
||||||
long newHeapOverhead = segment.heapOverhead();
|
long newHeapOverhead = 0;
|
||||||
|
if(segment != null) newHeapOverhead = segment.heapOverhead();
|
||||||
long heapOverheadDelta = suffixHeapOverhead - newHeapOverhead;
|
long heapOverheadDelta = suffixHeapOverhead - newHeapOverhead;
|
||||||
region.addMemstoreSize(new MemstoreSize(-dataSizeDelta, -heapOverheadDelta));
|
region.addMemstoreSize(new MemstoreSize(-dataSizeDelta, -heapOverheadDelta));
|
||||||
if (LOG.isDebugEnabled()) {
|
if (LOG.isDebugEnabled()) {
|
||||||
LOG.debug("Suffix data size: " + suffixDataSize + " compacted item data size: "
|
LOG.debug("Suffix data size: " + suffixDataSize + " new segment data size: "
|
||||||
+ newDataSize + ". Suffix heap overhead: " + suffixHeapOverhead
|
+ newDataSize + ". Suffix heap overhead: " + suffixHeapOverhead
|
||||||
+ " compacted item heap overhead: " + newHeapOverhead);
|
+ " new segment heap overhead: " + newHeapOverhead);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return true;
|
return true;
|
||||||
|
@ -193,8 +198,7 @@ public class CompactionPipeline {
|
||||||
|
|
||||||
public List<Segment> getSegments() {
|
public List<Segment> getSegments() {
|
||||||
synchronized (pipeline){
|
synchronized (pipeline){
|
||||||
List<Segment> res = new LinkedList<Segment>(pipeline);
|
return new LinkedList<>(pipeline);
|
||||||
return res;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -230,12 +234,7 @@ public class CompactionPipeline {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
pipeline.removeAll(suffix);
|
pipeline.removeAll(suffix);
|
||||||
pipeline.addLast(segment);
|
if(segment != null) pipeline.addLast(segment);
|
||||||
}
|
|
||||||
|
|
||||||
private ImmutableSegment removeLast() {
|
|
||||||
version++;
|
|
||||||
return pipeline.removeLast();
|
|
||||||
}
|
}
|
||||||
|
|
||||||
private boolean addFirst(ImmutableSegment segment) {
|
private boolean addFirst(ImmutableSegment segment) {
|
||||||
|
|
|
@ -18,7 +18,6 @@
|
||||||
*/
|
*/
|
||||||
package org.apache.hadoop.hbase.regionserver;
|
package org.apache.hadoop.hbase.regionserver;
|
||||||
|
|
||||||
import java.util.LinkedList;
|
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
|
||||||
import org.apache.hadoop.hbase.classification.InterfaceAudience;
|
import org.apache.hadoop.hbase.classification.InterfaceAudience;
|
||||||
|
@ -36,10 +35,10 @@ import org.apache.hadoop.hbase.classification.InterfaceAudience;
|
||||||
@InterfaceAudience.Private
|
@InterfaceAudience.Private
|
||||||
public class VersionedSegmentsList {
|
public class VersionedSegmentsList {
|
||||||
|
|
||||||
private final LinkedList<ImmutableSegment> storeSegments;
|
private final List<ImmutableSegment> storeSegments;
|
||||||
private final long version;
|
private final long version;
|
||||||
|
|
||||||
public VersionedSegmentsList(LinkedList<ImmutableSegment> storeSegments, long version) {
|
public VersionedSegmentsList(List<ImmutableSegment> storeSegments, long version) {
|
||||||
this.storeSegments = storeSegments;
|
this.storeSegments = storeSegments;
|
||||||
this.version = version;
|
this.version = version;
|
||||||
}
|
}
|
||||||
|
|
|
@ -33,17 +33,18 @@ import java.util.concurrent.ExecutionException;
|
||||||
import java.util.concurrent.ExecutorService;
|
import java.util.concurrent.ExecutorService;
|
||||||
import java.util.concurrent.Executors;
|
import java.util.concurrent.Executors;
|
||||||
import java.util.concurrent.Future;
|
import java.util.concurrent.Future;
|
||||||
import java.util.concurrent.ThreadLocalRandom;
|
|
||||||
import java.util.concurrent.atomic.AtomicBoolean;
|
import java.util.concurrent.atomic.AtomicBoolean;
|
||||||
import java.util.stream.Collectors;
|
import java.util.stream.Collectors;
|
||||||
import java.util.stream.IntStream;
|
import java.util.stream.IntStream;
|
||||||
|
|
||||||
import org.apache.commons.io.IOUtils;
|
import org.apache.commons.io.IOUtils;
|
||||||
import org.apache.hadoop.hbase.HBaseTestingUtility;
|
import org.apache.hadoop.hbase.HBaseTestingUtility;
|
||||||
|
import org.apache.hadoop.hbase.HColumnDescriptor;
|
||||||
import org.apache.hadoop.hbase.HRegionInfo;
|
import org.apache.hadoop.hbase.HRegionInfo;
|
||||||
import org.apache.hadoop.hbase.ServerName;
|
import org.apache.hadoop.hbase.ServerName;
|
||||||
import org.apache.hadoop.hbase.TableName;
|
import org.apache.hadoop.hbase.TableName;
|
||||||
import org.apache.hadoop.hbase.io.ByteBufferPool;
|
import org.apache.hadoop.hbase.io.ByteBufferPool;
|
||||||
|
import org.apache.hadoop.hbase.regionserver.CompactingMemStore;
|
||||||
import org.apache.hadoop.hbase.regionserver.HRegion;
|
import org.apache.hadoop.hbase.regionserver.HRegion;
|
||||||
import org.apache.hadoop.hbase.testclassification.ClientTests;
|
import org.apache.hadoop.hbase.testclassification.ClientTests;
|
||||||
import org.apache.hadoop.hbase.testclassification.LargeTests;
|
import org.apache.hadoop.hbase.testclassification.LargeTests;
|
||||||
|
@ -75,11 +76,18 @@ public class TestAsyncTableGetMultiThreaded {
|
||||||
|
|
||||||
@BeforeClass
|
@BeforeClass
|
||||||
public static void setUp() throws Exception {
|
public static void setUp() throws Exception {
|
||||||
|
setUp(HColumnDescriptor.MemoryCompaction.NONE);
|
||||||
|
}
|
||||||
|
|
||||||
|
protected static void setUp(HColumnDescriptor.MemoryCompaction memoryCompaction) throws Exception {
|
||||||
TEST_UTIL.getConfiguration().set(TABLES_ON_MASTER, "none");
|
TEST_UTIL.getConfiguration().set(TABLES_ON_MASTER, "none");
|
||||||
TEST_UTIL.getConfiguration().setLong(HBASE_CLIENT_META_OPERATION_TIMEOUT, 60000L);
|
TEST_UTIL.getConfiguration().setLong(HBASE_CLIENT_META_OPERATION_TIMEOUT, 60000L);
|
||||||
TEST_UTIL.getConfiguration().setLong(HBASE_RPC_READ_TIMEOUT_KEY, 1000L);
|
TEST_UTIL.getConfiguration().setLong(HBASE_RPC_READ_TIMEOUT_KEY, 1000L);
|
||||||
TEST_UTIL.getConfiguration().setInt(HBASE_CLIENT_RETRIES_NUMBER, 1000);
|
TEST_UTIL.getConfiguration().setInt(HBASE_CLIENT_RETRIES_NUMBER, 1000);
|
||||||
TEST_UTIL.getConfiguration().setInt(ByteBufferPool.MAX_POOL_SIZE_KEY, 100);
|
TEST_UTIL.getConfiguration().setInt(ByteBufferPool.MAX_POOL_SIZE_KEY, 100);
|
||||||
|
TEST_UTIL.getConfiguration().set(CompactingMemStore.COMPACTING_MEMSTORE_TYPE_KEY,
|
||||||
|
String.valueOf(memoryCompaction));
|
||||||
|
|
||||||
TEST_UTIL.startMiniCluster(5);
|
TEST_UTIL.startMiniCluster(5);
|
||||||
SPLIT_KEYS = new byte[8][];
|
SPLIT_KEYS = new byte[8][];
|
||||||
for (int i = 111; i < 999; i += 111) {
|
for (int i = 111; i < 999; i += 111) {
|
||||||
|
@ -103,11 +111,13 @@ public class TestAsyncTableGetMultiThreaded {
|
||||||
|
|
||||||
private void run(AtomicBoolean stop) throws InterruptedException, ExecutionException {
|
private void run(AtomicBoolean stop) throws InterruptedException, ExecutionException {
|
||||||
while (!stop.get()) {
|
while (!stop.get()) {
|
||||||
int i = ThreadLocalRandom.current().nextInt(COUNT);
|
for (int i = 0; i < COUNT; i++) {
|
||||||
assertEquals(i,
|
assertEquals(i,
|
||||||
Bytes.toInt(
|
Bytes.toInt(
|
||||||
CONN.getRawTable(TABLE_NAME).get(new Get(Bytes.toBytes(String.format("%03d", i)))).get()
|
CONN.getRawTable(TABLE_NAME).get(new Get(Bytes.toBytes(String.format("%03d", i))))
|
||||||
.getValue(FAMILY, QUALIFIER)));
|
.get()
|
||||||
|
.getValue(FAMILY, QUALIFIER)));
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,35 @@
|
||||||
|
/**
|
||||||
|
* 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.hadoop.hbase.client;
|
||||||
|
|
||||||
|
import org.apache.hadoop.hbase.HColumnDescriptor;
|
||||||
|
import org.apache.hadoop.hbase.testclassification.ClientTests;
|
||||||
|
import org.apache.hadoop.hbase.testclassification.LargeTests;
|
||||||
|
import org.junit.BeforeClass;
|
||||||
|
import org.junit.experimental.categories.Category;
|
||||||
|
|
||||||
|
@Category({ LargeTests.class, ClientTests.class })
|
||||||
|
public class TestAsyncTableGetMultiThreadedWithBasicCompaction extends
|
||||||
|
TestAsyncTableGetMultiThreaded {
|
||||||
|
|
||||||
|
@BeforeClass
|
||||||
|
public static void setUp() throws Exception {
|
||||||
|
setUp(HColumnDescriptor.MemoryCompaction.BASIC);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
|
@ -0,0 +1,35 @@
|
||||||
|
/**
|
||||||
|
* 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.hadoop.hbase.client;
|
||||||
|
|
||||||
|
import org.apache.hadoop.hbase.HColumnDescriptor;
|
||||||
|
import org.apache.hadoop.hbase.testclassification.ClientTests;
|
||||||
|
import org.apache.hadoop.hbase.testclassification.LargeTests;
|
||||||
|
import org.junit.BeforeClass;
|
||||||
|
import org.junit.experimental.categories.Category;
|
||||||
|
|
||||||
|
@Category({ LargeTests.class, ClientTests.class })
|
||||||
|
public class TestAsyncTableGetMultiThreadedWithEagerCompaction extends
|
||||||
|
TestAsyncTableGetMultiThreaded {
|
||||||
|
|
||||||
|
@BeforeClass
|
||||||
|
public static void setUp() throws Exception {
|
||||||
|
setUp(HColumnDescriptor.MemoryCompaction.EAGER);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
Loading…
Reference in New Issue