HBASE-26768 Avoid unnecessary replication suspending in RegionReplica… (#4127)
This commit is contained in:
chenglei
GitHub
parent
1dd29dba5c
commit
1057da8be6
|
|
@ -587,7 +587,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
}
|
||||
|
||||
/** A result object from prepare flush cache stage */
|
||||
static class PrepareFlushResult {
|
||||
protected static class PrepareFlushResult {
|
||||
final FlushResultImpl result; // indicating a failure result from prepare
|
||||
final TreeMap<byte[], StoreFlushContext> storeFlushCtxs;
|
||||
final TreeMap<byte[], List<Path>> committedFiles;
|
||||
|
|
@ -729,7 +729,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
|
||||
private final StoreHotnessProtector storeHotnessProtector;
|
||||
|
||||
private Optional<RegionReplicationSink> regionReplicationSink = Optional.empty();
|
||||
protected Optional<RegionReplicationSink> regionReplicationSink = Optional.empty();
|
||||
|
||||
/**
|
||||
* HRegion constructor. This constructor should only be used for testing and
|
||||
|
|
|
|||
|
|
@ -17,11 +17,11 @@
|
|||
*/
|
||||
package org.apache.hadoop.hbase.regionserver.regionreplication;
|
||||
|
||||
import com.google.errorprone.annotations.RestrictedApi;
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayDeque;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Optional;
|
||||
|
|
@ -204,7 +204,7 @@ public class RegionReplicationSink {
|
|||
this.failedReplicas = new IntHashSet(regionReplication - 1);
|
||||
}
|
||||
|
||||
private void onComplete(List<SinkEntry> sent,
|
||||
void onComplete(List<SinkEntry> sent,
|
||||
Map<Integer, MutableObject<Throwable>> replica2Error) {
|
||||
long maxSequenceId = Long.MIN_VALUE;
|
||||
long toReleaseSize = 0;
|
||||
|
|
@ -214,31 +214,32 @@ public class RegionReplicationSink {
|
|||
toReleaseSize += entry.size;
|
||||
}
|
||||
manager.decrease(toReleaseSize);
|
||||
Set<Integer> failed = new HashSet<>();
|
||||
synchronized (entries) {
|
||||
pendingSize -= toReleaseSize;
|
||||
boolean addFailedReplicas = false;
|
||||
for (Map.Entry<Integer, MutableObject<Throwable>> entry : replica2Error.entrySet()) {
|
||||
Integer replicaId = entry.getKey();
|
||||
Throwable error = entry.getValue().getValue();
|
||||
if (error != null) {
|
||||
if (maxSequenceId > lastFlushedSequenceId) {
|
||||
LOG.warn(
|
||||
"Failed to replicate to secondary replica {} for {}, since the max sequence" +
|
||||
" id of sunk entris is {}, which is greater than the last flush SN {}," +
|
||||
" we will stop replicating for a while and trigger a flush",
|
||||
"Failed to replicate to secondary replica {} for {}, since the max sequence"
|
||||
+ " id of sunk entris is {}, which is greater than the last flush SN {},"
|
||||
+ " we will stop replicating for a while and trigger a flush",
|
||||
replicaId, primary, maxSequenceId, lastFlushedSequenceId, error);
|
||||
failed.add(replicaId);
|
||||
failedReplicas.add(replicaId);
|
||||
addFailedReplicas = true;
|
||||
} else {
|
||||
LOG.warn(
|
||||
"Failed to replicate to secondary replica {} for {}, since the max sequence" +
|
||||
" id of sunk entris is {}, which is less than or equal to the last flush SN {}," +
|
||||
" we will not stop replicating",
|
||||
"Failed to replicate to secondary replica {} for {}, since the max sequence"
|
||||
+ " id of sunk entris is {}, which is less than or equal to the last flush SN {},"
|
||||
+ " we will not stop replicating",
|
||||
replicaId, primary, maxSequenceId, lastFlushedSequenceId, error);
|
||||
}
|
||||
}
|
||||
}
|
||||
synchronized (entries) {
|
||||
pendingSize -= toReleaseSize;
|
||||
if (!failed.isEmpty()) {
|
||||
failedReplicas.addAll(failed);
|
||||
|
||||
if (addFailedReplicas) {
|
||||
flushRequester.requestFlush(maxSequenceId);
|
||||
}
|
||||
sending = false;
|
||||
|
|
@ -323,7 +324,7 @@ public class RegionReplicationSink {
|
|||
return storesFlushed.containsAll(tableDesc.getColumnFamilyNames());
|
||||
}
|
||||
|
||||
private Optional<FlushDescriptor> getStartFlushAllDescriptor(Cell metaCell) {
|
||||
Optional<FlushDescriptor> getStartFlushAllDescriptor(Cell metaCell) {
|
||||
if (!CellUtil.matchingFamily(metaCell, WALEdit.METAFAMILY)) {
|
||||
return Optional.empty();
|
||||
}
|
||||
|
|
@ -448,4 +449,12 @@ public class RegionReplicationSink {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
@RestrictedApi(explanation = "Should only be called in tests", link = "",
|
||||
allowedOnPath = ".*/src/test/.*")
|
||||
IntHashSet getFailedReplicas() {
|
||||
synchronized (entries) {
|
||||
return this.failedReplicas;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,322 @@
|
|||
/**
|
||||
* 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.regionserver.regionreplication;
|
||||
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Collection;
|
||||
import java.util.List;
|
||||
import java.util.Optional;
|
||||
import java.util.concurrent.CyclicBarrier;
|
||||
import java.util.concurrent.atomic.AtomicBoolean;
|
||||
import java.util.concurrent.atomic.AtomicInteger;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hbase.DoNotRetryIOException;
|
||||
import org.apache.hadoop.hbase.HBaseClassTestRule;
|
||||
import org.apache.hadoop.hbase.HBaseTestingUtil;
|
||||
import org.apache.hadoop.hbase.HConstants;
|
||||
import org.apache.hadoop.hbase.NotServingRegionException;
|
||||
import org.apache.hadoop.hbase.SingleProcessHBaseCluster;
|
||||
import org.apache.hadoop.hbase.StartTestingClusterOption;
|
||||
import org.apache.hadoop.hbase.TableName;
|
||||
import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
|
||||
import org.apache.hadoop.hbase.client.Put;
|
||||
import org.apache.hadoop.hbase.client.RegionInfo;
|
||||
import org.apache.hadoop.hbase.client.RegionReplicaUtil;
|
||||
import org.apache.hadoop.hbase.client.TableDescriptor;
|
||||
import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
|
||||
import org.apache.hadoop.hbase.monitoring.MonitoredTask;
|
||||
import org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker;
|
||||
import org.apache.hadoop.hbase.regionserver.HRegion;
|
||||
import org.apache.hadoop.hbase.regionserver.HRegionFileSystem;
|
||||
import org.apache.hadoop.hbase.regionserver.HRegionServer;
|
||||
import org.apache.hadoop.hbase.regionserver.HStore;
|
||||
import org.apache.hadoop.hbase.regionserver.RSRpcServices;
|
||||
import org.apache.hadoop.hbase.regionserver.Region;
|
||||
import org.apache.hadoop.hbase.regionserver.RegionServerServices;
|
||||
import org.apache.hadoop.hbase.testclassification.LargeTests;
|
||||
import org.apache.hadoop.hbase.testclassification.RegionServerTests;
|
||||
import org.apache.hadoop.hbase.util.Bytes;
|
||||
import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;
|
||||
import org.apache.hadoop.hbase.wal.WAL;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.ClassRule;
|
||||
import org.junit.Test;
|
||||
import org.junit.experimental.categories.Category;
|
||||
import org.mockito.Mockito;
|
||||
|
||||
import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;
|
||||
import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
|
||||
import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
|
||||
import org.apache.hbase.thirdparty.org.apache.commons.collections4.CollectionUtils;
|
||||
|
||||
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ReplicateWALEntryRequest;
|
||||
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ReplicateWALEntryResponse;
|
||||
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry;
|
||||
|
||||
@Category({ RegionServerTests.class, LargeTests.class })
|
||||
public class TestRegionReplicationSinkCallbackAndFlushConcurrently {
|
||||
@ClassRule
|
||||
public static final HBaseClassTestRule CLASS_RULE =
|
||||
HBaseClassTestRule.forClass(TestRegionReplicationSinkCallbackAndFlushConcurrently.class);
|
||||
|
||||
private static final byte[] FAMILY = Bytes.toBytes("family_test");
|
||||
|
||||
private static final byte[] QUAL = Bytes.toBytes("qualifier_test");
|
||||
|
||||
private static final HBaseTestingUtil HTU = new HBaseTestingUtil();
|
||||
private static final int NB_SERVERS = 2;
|
||||
|
||||
private static TableName tableName = TableName.valueOf("testRegionReplicationSinkSuspend");
|
||||
private static volatile boolean startTest = false;
|
||||
|
||||
@BeforeClass
|
||||
public static void setUp() throws Exception {
|
||||
Configuration conf = HTU.getConfiguration();
|
||||
conf.setBoolean(ServerRegionReplicaUtil.REGION_REPLICA_REPLICATION_CONF_KEY, true);
|
||||
conf.setClass(HConstants.REGION_IMPL, HRegionForTest.class, HRegion.class);
|
||||
conf.setInt(RegionReplicationSink.RETRIES_NUMBER, 15);
|
||||
conf.setLong(RegionReplicationSink.RPC_TIMEOUT_MS, 10 * 60 * 1000);
|
||||
conf.setLong(RegionReplicationSink.OPERATION_TIMEOUT_MS, 20 * 60 * 1000);
|
||||
conf.setLong(RegionReplicationSink.META_EDIT_RPC_TIMEOUT_MS, 10 * 60 * 1000);
|
||||
conf.setLong(RegionReplicationSink.META_EDIT_OPERATION_TIMEOUT_MS, 20 * 60 * 1000);
|
||||
conf.setBoolean(RegionReplicaUtil.REGION_REPLICA_WAIT_FOR_PRIMARY_FLUSH_CONF_KEY, false);
|
||||
HTU.startMiniCluster(StartTestingClusterOption.builder().rsClass(RSForTest.class)
|
||||
.numRegionServers(NB_SERVERS).build());
|
||||
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void tearDown() throws Exception {
|
||||
HTU.shutdownMiniCluster();
|
||||
}
|
||||
|
||||
/**
|
||||
* This test is for HBASE-26768,test the case that we have already clear the
|
||||
* {@link RegionReplicationSink#failedReplicas} due to a flush all edit,which may in flusher
|
||||
* thread,and then in the callback of replay, which may in Netty nioEventLoop,we add a replica to
|
||||
* the {@link RegionReplicationSink#failedReplicas} because of a failure of replicating.
|
||||
*/
|
||||
@Test
|
||||
public void test() throws Exception {
|
||||
final HRegionForTest[] regions = this.createTable();
|
||||
final AtomicBoolean completedRef = new AtomicBoolean(false);
|
||||
RegionReplicationSink regionReplicationSink =
|
||||
regions[0].getRegionReplicationSink().get();
|
||||
assertTrue(regionReplicationSink != null);
|
||||
|
||||
RegionReplicationSink spiedRegionReplicationSink = this.setUpSpiedRegionReplicationSink(
|
||||
regionReplicationSink, regions[0],
|
||||
completedRef);
|
||||
|
||||
String oldThreadName = Thread.currentThread().getName();
|
||||
Thread.currentThread().setName(HRegionForTest.USER_THREAD_NAME);
|
||||
try {
|
||||
startTest = true;
|
||||
/**
|
||||
* Write First cell,replicating to secondary replica is error.
|
||||
*/
|
||||
byte[] rowKey1 = Bytes.toBytes(1);
|
||||
|
||||
regions[0].put(new Put(rowKey1).addColumn(FAMILY, QUAL, Bytes.toBytes(1)));
|
||||
regions[0].flushcache(true, true, FlushLifeCycleTracker.DUMMY);
|
||||
|
||||
HTU.waitFor(120000, () -> completedRef.get());
|
||||
assertTrue(spiedRegionReplicationSink.getFailedReplicas().isEmpty());
|
||||
} finally {
|
||||
startTest = false;
|
||||
Thread.currentThread().setName(oldThreadName);
|
||||
}
|
||||
}
|
||||
|
||||
private RegionReplicationSink setUpSpiedRegionReplicationSink(
|
||||
final RegionReplicationSink regionReplicationSink, final HRegionForTest primaryRegion,
|
||||
final AtomicBoolean completedRef) {
|
||||
final AtomicInteger onCompleteCounter = new AtomicInteger(0);
|
||||
final AtomicInteger getStartFlushAllDescriptorCounter = new AtomicInteger(0);
|
||||
RegionReplicationSink spiedRegionReplicationSink = Mockito.spy(regionReplicationSink);
|
||||
|
||||
Mockito.doAnswer((invocationOnMock) -> {
|
||||
if (!startTest) {
|
||||
invocationOnMock.callRealMethod();
|
||||
return null;
|
||||
}
|
||||
int count = onCompleteCounter.incrementAndGet();
|
||||
if (count == 1) {
|
||||
primaryRegion.cyclicBarrier.await();
|
||||
invocationOnMock.callRealMethod();
|
||||
completedRef.set(true);
|
||||
return null;
|
||||
}
|
||||
invocationOnMock.callRealMethod();
|
||||
return null;
|
||||
}).when(spiedRegionReplicationSink).onComplete(Mockito.anyList(), Mockito.anyMap());
|
||||
|
||||
Mockito.doAnswer((invocationOnMock) -> {
|
||||
if (!startTest) {
|
||||
return invocationOnMock.callRealMethod();
|
||||
}
|
||||
if (primaryRegion.prepareFlush
|
||||
&& Thread.currentThread().getName().equals(HRegionForTest.USER_THREAD_NAME)) {
|
||||
int count = getStartFlushAllDescriptorCounter.incrementAndGet();
|
||||
if(count == 1) {
|
||||
//onComplete could execute
|
||||
primaryRegion.cyclicBarrier.await();
|
||||
return invocationOnMock.callRealMethod();
|
||||
}
|
||||
}
|
||||
return invocationOnMock.callRealMethod();
|
||||
}).when(spiedRegionReplicationSink).getStartFlushAllDescriptor(Mockito.any());
|
||||
|
||||
primaryRegion.setRegionReplicationSink(spiedRegionReplicationSink);
|
||||
return spiedRegionReplicationSink;
|
||||
}
|
||||
|
||||
private HRegionForTest[] createTable() throws Exception {
|
||||
TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)
|
||||
.setRegionReplication(NB_SERVERS).setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY))
|
||||
.build();
|
||||
HTU.getAdmin().createTable(tableDescriptor);
|
||||
final HRegionForTest[] regions = new HRegionForTest[NB_SERVERS];
|
||||
for (int i = 0; i < NB_SERVERS; i++) {
|
||||
HRegionServer rs = HTU.getMiniHBaseCluster().getRegionServer(i);
|
||||
List<HRegion> onlineRegions = rs.getRegions(tableName);
|
||||
for (HRegion region : onlineRegions) {
|
||||
int replicaId = region.getRegionInfo().getReplicaId();
|
||||
assertTrue(regions[replicaId] == null);
|
||||
regions[region.getRegionInfo().getReplicaId()] = (HRegionForTest) region;
|
||||
}
|
||||
}
|
||||
for (Region region : regions) {
|
||||
assertNotNull(region);
|
||||
}
|
||||
return regions;
|
||||
}
|
||||
|
||||
public static final class HRegionForTest extends HRegion {
|
||||
static final String USER_THREAD_NAME = "TestReplicationHang";
|
||||
final CyclicBarrier cyclicBarrier = new CyclicBarrier(2);
|
||||
volatile boolean prepareFlush = false;
|
||||
|
||||
public HRegionForTest(HRegionFileSystem fs, WAL wal, Configuration confParam,
|
||||
TableDescriptor htd, RegionServerServices rsServices) {
|
||||
super(fs, wal, confParam, htd, rsServices);
|
||||
}
|
||||
|
||||
@SuppressWarnings("deprecation")
|
||||
public HRegionForTest(Path tableDir, WAL wal, FileSystem fs, Configuration confParam,
|
||||
RegionInfo regionInfo, TableDescriptor htd, RegionServerServices rsServices) {
|
||||
super(tableDir, wal, fs, confParam, regionInfo, htd, rsServices);
|
||||
}
|
||||
|
||||
public void setRegionReplicationSink(RegionReplicationSink regionReplicationSink) {
|
||||
this.regionReplicationSink = Optional.of(regionReplicationSink);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected PrepareFlushResult internalPrepareFlushCache(WAL wal, long myseqid,
|
||||
Collection<HStore> storesToFlush, MonitoredTask status, boolean writeFlushWalMarker,
|
||||
FlushLifeCycleTracker tracker) throws IOException {
|
||||
if (!startTest) {
|
||||
return super.internalPrepareFlushCache(wal, myseqid, storesToFlush, status,
|
||||
writeFlushWalMarker, tracker);
|
||||
}
|
||||
|
||||
if (this.getRegionInfo().getReplicaId() == 0
|
||||
&& Thread.currentThread().getName().equals(USER_THREAD_NAME)) {
|
||||
this.prepareFlush = true;
|
||||
}
|
||||
try {
|
||||
PrepareFlushResult result =
|
||||
super.internalPrepareFlushCache(wal, myseqid, storesToFlush, status,
|
||||
writeFlushWalMarker, tracker);
|
||||
|
||||
return result;
|
||||
}
|
||||
finally {
|
||||
if (this.getRegionInfo().getReplicaId() == 0
|
||||
&& Thread.currentThread().getName().equals(USER_THREAD_NAME)) {
|
||||
this.prepareFlush = false;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
public static final class ErrorReplayRSRpcServices extends RSRpcServices {
|
||||
private static final AtomicInteger callCounter = new AtomicInteger(0);
|
||||
|
||||
public ErrorReplayRSRpcServices(HRegionServer rs) throws IOException {
|
||||
super(rs);
|
||||
}
|
||||
|
||||
@Override
|
||||
public ReplicateWALEntryResponse replicateToReplica(RpcController rpcController,
|
||||
ReplicateWALEntryRequest replicateWALEntryRequest) throws ServiceException {
|
||||
|
||||
if (!startTest) {
|
||||
return super.replicateToReplica(rpcController, replicateWALEntryRequest);
|
||||
}
|
||||
|
||||
List<WALEntry> entries = replicateWALEntryRequest.getEntryList();
|
||||
if (CollectionUtils.isEmpty(entries)) {
|
||||
return ReplicateWALEntryResponse.getDefaultInstance();
|
||||
}
|
||||
ByteString regionName = entries.get(0).getKey().getEncodedRegionName();
|
||||
|
||||
HRegion region;
|
||||
try {
|
||||
region = server.getRegionByEncodedName(regionName.toStringUtf8());
|
||||
} catch (NotServingRegionException e) {
|
||||
throw new ServiceException(e);
|
||||
}
|
||||
|
||||
if (!region.getRegionInfo().getTable().equals(tableName)
|
||||
|| region.getRegionInfo().getReplicaId() != 1) {
|
||||
return super.replicateToReplica(rpcController, replicateWALEntryRequest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Simulate the first cell replicating error.
|
||||
*/
|
||||
int count = callCounter.incrementAndGet();
|
||||
if (count > 1) {
|
||||
return super.replicateToReplica(rpcController, replicateWALEntryRequest);
|
||||
}
|
||||
throw new ServiceException(new DoNotRetryIOException("Inject error!"));
|
||||
}
|
||||
}
|
||||
|
||||
public static final class RSForTest
|
||||
extends SingleProcessHBaseCluster.MiniHBaseClusterRegionServer {
|
||||
|
||||
public RSForTest(Configuration conf) throws IOException, InterruptedException {
|
||||
super(conf);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected RSRpcServices createRpcServices() throws IOException {
|
||||
return new ErrorReplayRSRpcServices(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue