HBASE-18027 HBaseInterClusterReplicationEndpoint should respect RPC limits when batching edits

This commit is contained in:
Andrew Purtell 2017-05-30 14:24:51 -07:00
parent 6846b03944
commit d547feac6b
5 changed files with 551 additions and 46 deletions

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@ -171,7 +171,7 @@ public abstract class RpcServer implements RpcServerInterface,
protected HBaseRPCErrorHandler errorHandler = null;
protected static final String MAX_REQUEST_SIZE = "hbase.ipc.max.request.size";
public static final String MAX_REQUEST_SIZE = "hbase.ipc.max.request.size";
protected static final RequestTooBigException REQUEST_TOO_BIG_EXCEPTION =
new RequestTooBigException();
@ -186,7 +186,7 @@ public abstract class RpcServer implements RpcServerInterface,
protected static final int DEFAULT_MIN_CLIENT_REQUEST_TIMEOUT = 20;
/** Default value for above params */
protected static final int DEFAULT_MAX_REQUEST_SIZE = DEFAULT_MAX_CALLQUEUE_SIZE / 4; // 256M
public static final int DEFAULT_MAX_REQUEST_SIZE = DEFAULT_MAX_CALLQUEUE_SIZE / 4; // 256M
protected static final int DEFAULT_WARN_RESPONSE_TIME = 10000; // milliseconds
protected static final int DEFAULT_WARN_RESPONSE_SIZE = 100 * 1024 * 1024;

View File

@ -171,6 +171,14 @@ public class WALEdit implements HeapSize {
return ret;
}
public long estimatedSerializedSizeOf() {
long ret = 0;
for (Cell cell: cells) {
ret += CellUtil.estimatedSerializedSizeOf(cell);
}
return ret;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();

View File

@ -25,7 +25,9 @@ import java.net.ConnectException;
import java.net.SocketTimeoutException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletionService;
import java.util.concurrent.ExecutionException;
@ -47,6 +49,7 @@ import org.apache.hadoop.hbase.TableNotFoundException;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.ConnectionFactory;
import org.apache.hadoop.hbase.ipc.RpcServer;
import org.apache.hadoop.hbase.protobuf.ReplicationProtbufUtil;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService.BlockingInterface;
import org.apache.hadoop.hbase.replication.HBaseReplicationEndpoint;
@ -56,7 +59,6 @@ import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.apache.hadoop.hbase.wal.WAL.Entry;
import org.apache.hadoop.ipc.RemoteException;
import javax.security.sasl.SaslException;
/**
* A {@link org.apache.hadoop.hbase.replication.ReplicationEndpoint}
@ -86,6 +88,8 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
private int socketTimeoutMultiplier;
// Amount of time for shutdown to wait for all tasks to complete
private long maxTerminationWait;
// Size limit for replication RPCs, in bytes
private int replicationRpcLimit;
//Metrics for this source
private MetricsSource metrics;
// Handles connecting to peer region servers
@ -130,6 +134,11 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
new LinkedBlockingQueue<>());
this.exec.allowCoreThreadTimeOut(true);
this.abortable = ctx.getAbortable();
// Set the size limit for replication RPCs to 95% of the max request size.
// We could do with less slop if we have an accurate estimate of encoded size. Being
// conservative for now.
this.replicationRpcLimit = (int)(0.95 * (double)conf.getLong(RpcServer.MAX_REQUEST_SIZE,
RpcServer.DEFAULT_MAX_REQUEST_SIZE));
this.replicationBulkLoadDataEnabled =
conf.getBoolean(HConstants.REPLICATION_BULKLOAD_ENABLE_KEY,
@ -185,16 +194,46 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
return sleepMultiplier < maxRetriesMultiplier;
}
private List<List<Entry>> createBatches(final List<Entry> entries) {
int numSinks = Math.max(replicationSinkMgr.getNumSinks(), 1);
int n = Math.min(Math.min(this.maxThreads, entries.size()/100+1), numSinks);
// Maintains the current batch for a given partition index
Map<Integer, List<Entry>> entryMap = new HashMap<>(n);
List<List<Entry>> entryLists = new ArrayList<>();
int[] sizes = new int[n];
for (int i = 0; i < n; i++) {
entryMap.put(i, new ArrayList<Entry>(entries.size()/n+1));
}
for (Entry e: entries) {
int index = Math.abs(Bytes.hashCode(e.getKey().getEncodedRegionName())%n);
int entrySize = (int)e.getKey().estimatedSerializedSizeOf() +
(int)e.getEdit().estimatedSerializedSizeOf();
// If this batch is oversized, add it to final list and initialize a new empty batch
if (sizes[index] > 0 /* must include at least one entry */ &&
sizes[index] + entrySize > replicationRpcLimit) {
entryLists.add(entryMap.get(index));
entryMap.put(index, new ArrayList<Entry>());
sizes[index] = 0;
}
entryMap.get(index).add(e);
sizes[index] += entrySize;
}
entryLists.addAll(entryMap.values());
return entryLists;
}
/**
* Do the shipping logic
*/
@Override
public boolean replicate(ReplicateContext replicateContext) {
CompletionService<Integer> pool = new ExecutorCompletionService<>(this.exec);
List<Entry> entries = replicateContext.getEntries();
List<List<Entry>> batches;
String walGroupId = replicateContext.getWalGroupId();
int sleepMultiplier = 1;
int numReplicated = 0;
if (!peersSelected && this.isRunning()) {
connectToPeers();
@ -208,22 +247,8 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
return false;
}
// minimum of: configured threads, number of 100-waledit batches,
// and number of current sinks
int n = Math.min(Math.min(this.maxThreads, entries.size()/100+1), numSinks);
batches = createBatches(replicateContext.getEntries());
List<List<Entry>> entryLists = new ArrayList<>(n);
if (n == 1) {
entryLists.add(entries);
} else {
for (int i=0; i<n; i++) {
entryLists.add(new ArrayList<>(entries.size()/n+1));
}
// now group by region
for (Entry e : entries) {
entryLists.get(Math.abs(Bytes.hashCode(e.getKey().getEncodedRegionName())%n)).add(e);
}
}
while (this.isRunning() && !exec.isShutdown()) {
if (!isPeerEnabled()) {
if (sleepForRetries("Replication is disabled", sleepMultiplier)) {
@ -232,35 +257,35 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
continue;
}
try {
if (LOG.isTraceEnabled()) {
LOG.trace("Replicating " + entries.size() +
" entries of total size " + replicateContext.getSize());
}
int futures = 0;
for (int i=0; i<entryLists.size(); i++) {
if (!entryLists.get(i).isEmpty()) {
for (int i=0; i<batches.size(); i++) {
List<Entry> entries = batches.get(i);
if (!entries.isEmpty()) {
if (LOG.isTraceEnabled()) {
LOG.trace("Submitting " + entryLists.get(i).size() +
LOG.trace("Submitting " + entries.size() +
" entries of total size " + replicateContext.getSize());
}
// RuntimeExceptions encountered here bubble up and are handled in ReplicationSource
pool.submit(createReplicator(entryLists.get(i), i));
pool.submit(createReplicator(entries, i));
futures++;
}
}
IOException iox = null;
long lastWriteTime = 0;
for (int i=0; i<futures; i++) {
try {
// wait for all futures, remove successful parts
// (only the remaining parts will be retried)
Future<Integer> f = pool.take();
int index = f.get().intValue();
int batchSize = entryLists.get(index).size();
entryLists.set(index, Collections.<Entry>emptyList());
// Now, we have marked the batch as done replicating, record its size
numReplicated += batchSize;
List<Entry> batch = batches.get(index);
batches.set(index, Collections.<Entry>emptyList()); // remove successful batch
// Find the most recent write time in the batch
long writeTime = batch.get(batch.size() - 1).getKey().getWriteTime();
if (writeTime > lastWriteTime) {
lastWriteTime = writeTime;
}
} catch (InterruptedException ie) {
iox = new IOException(ie);
} catch (ExecutionException ee) {
@ -272,15 +297,10 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
// if we had any exceptions, try again
throw iox;
}
if (numReplicated != entries.size()) {
// Something went wrong here and we don't know what, let's just fail and retry.
LOG.warn("The number of edits replicated is different from the number received,"
+ " failing for now.");
return false;
}
// update metrics
this.metrics.setAgeOfLastShippedOp(entries.get(entries.size() - 1).getKey().getWriteTime(),
walGroupId);
if (lastWriteTime > 0) {
this.metrics.setAgeOfLastShippedOp(lastWriteTime, walGroupId);
}
return true;
} catch (IOException ioe) {
@ -374,17 +394,42 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
this.ordinal = ordinal;
}
protected void replicateEntries(BlockingInterface rrs, final List<Entry> batch,
String replicationClusterId, Path baseNamespaceDir, Path hfileArchiveDir)
throws IOException {
if (LOG.isTraceEnabled()) {
long size = 0;
for (Entry e: entries) {
size += e.getKey().estimatedSerializedSizeOf();
size += e.getEdit().estimatedSerializedSizeOf();
}
LOG.trace("Replicating batch " + System.identityHashCode(entries) + " of " +
entries.size() + " entries with total size " + size + " bytes to " +
replicationClusterId);
}
try {
ReplicationProtbufUtil.replicateWALEntry(rrs, batch.toArray(new Entry[batch.size()]),
replicationClusterId, baseNamespaceDir, hfileArchiveDir);
if (LOG.isTraceEnabled()) {
LOG.trace("Completed replicating batch " + System.identityHashCode(entries));
}
} catch (IOException e) {
if (LOG.isTraceEnabled()) {
LOG.trace("Failed replicating batch " + System.identityHashCode(entries), e);
}
throw e;
}
}
@Override
public Integer call() throws IOException {
SinkPeer sinkPeer = null;
try {
sinkPeer = replicationSinkMgr.getReplicationSink();
BlockingInterface rrs = sinkPeer.getRegionServer();
ReplicationProtbufUtil.replicateWALEntry(rrs, entries.toArray(new Entry[entries.size()]),
replicationClusterId, baseNamespaceDir, hfileArchiveDir);
replicateEntries(rrs, entries, replicationClusterId, baseNamespaceDir, hfileArchiveDir);
replicationSinkMgr.reportSinkSuccess(sinkPeer);
return ordinal;
} catch (IOException ioe) {
if (sinkPeer != null) {
replicationSinkMgr.reportBadSink(sinkPeer);
@ -392,6 +437,5 @@ public class HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoi
throw ioe;
}
}
}
}

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@ -618,4 +618,30 @@ public class WALKey implements SequenceId, Comparable<WALKey> {
this.origLogSeqNum = walKey.getOrigSequenceNumber();
}
}
}
public long estimatedSerializedSizeOf() {
long size = encodedRegionName != null ? encodedRegionName.length : 0;
size += tablename != null ? tablename.toBytes().length : 0;
if (clusterIds != null) {
size += 16 * clusterIds.size();
}
if (nonceGroup != HConstants.NO_NONCE) {
size += Bytes.SIZEOF_LONG; // nonce group
}
if (nonce != HConstants.NO_NONCE) {
size += Bytes.SIZEOF_LONG; // nonce
}
if (replicationScope != null) {
for (Map.Entry<byte[], Integer> scope: replicationScope.entrySet()) {
size += scope.getKey().length;
size += Bytes.SIZEOF_INT;
}
}
size += Bytes.SIZEOF_LONG; // sequence number
size += Bytes.SIZEOF_LONG; // write time
if (origLogSeqNum > 0) {
size += Bytes.SIZEOF_LONG; // original sequence number
}
return size;
}
}

View File

@ -0,0 +1,427 @@
/*
* 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.replication.regionserver;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.Waiter;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.ipc.RpcServer;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService.BlockingInterface;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaSnapshotsRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaSnapshotsResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.*;
import org.apache.hadoop.hbase.shaded.com.google.protobuf.RpcController;
import org.apache.hadoop.hbase.shaded.com.google.protobuf.ServiceException;
import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
import org.apache.hadoop.hbase.replication.TestReplicationBase;
import org.apache.hadoop.hbase.replication.regionserver.HBaseInterClusterReplicationEndpoint;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.wal.WAL.Entry;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category(MediumTests.class)
public class TestReplicator extends TestReplicationBase {
static final Log LOG = LogFactory.getLog(TestReplicator.class);
static final int NUM_ROWS = 10;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
// Set RPC size limit to 10kb (will be applied to both source and sink clusters)
conf1.setInt(RpcServer.MAX_REQUEST_SIZE, 1024 * 10);
TestReplicationBase.setUpBeforeClass();
admin.removePeer("2"); // Remove the peer set up for us by base class
}
@Test
public void testReplicatorBatching() throws Exception {
// Clear the tables
truncateTable(utility1, tableName);
truncateTable(utility2, tableName);
// Replace the peer set up for us by the base class with a wrapper for this test
admin.addPeer("testReplicatorBatching",
new ReplicationPeerConfig().setClusterKey(utility2.getClusterKey())
.setReplicationEndpointImpl(ReplicationEndpointForTest.class.getName()), null);
ReplicationEndpointForTest.setBatchCount(0);
ReplicationEndpointForTest.setEntriesCount(0);
try {
ReplicationEndpointForTest.pause();
try {
// Queue up a bunch of cells of size 8K. Because of RPC size limits, they will all
// have to be replicated separately.
final byte[] valueBytes = new byte[8 *1024];
for (int i = 0; i < NUM_ROWS; i++) {
htable1.put(new Put(("row"+Integer.toString(i)).getBytes())
.addColumn(famName, null, valueBytes)
);
}
} finally {
ReplicationEndpointForTest.resume();
}
// Wait for replication to complete.
Waiter.waitFor(conf1, 60000, new Waiter.ExplainingPredicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
return ReplicationEndpointForTest.getBatchCount() >= NUM_ROWS;
}
@Override
public String explainFailure() throws Exception {
return "We waited too long for expected replication of " + NUM_ROWS + " entries";
}
});
assertEquals("We sent an incorrect number of batches", NUM_ROWS,
ReplicationEndpointForTest.getBatchCount());
assertEquals("We did not replicate enough rows", NUM_ROWS,
utility2.countRows(htable2));
} finally {
admin.removePeer("testReplicatorBatching");
}
}
@Test
public void testReplicatorWithErrors() throws Exception {
// Clear the tables
truncateTable(utility1, tableName);
truncateTable(utility2, tableName);
// Replace the peer set up for us by the base class with a wrapper for this test
admin.addPeer("testReplicatorWithErrors",
new ReplicationPeerConfig().setClusterKey(utility2.getClusterKey())
.setReplicationEndpointImpl(FailureInjectingReplicationEndpointForTest.class.getName()),
null);
FailureInjectingReplicationEndpointForTest.setBatchCount(0);
FailureInjectingReplicationEndpointForTest.setEntriesCount(0);
try {
FailureInjectingReplicationEndpointForTest.pause();
try {
// Queue up a bunch of cells of size 8K. Because of RPC size limits, they will all
// have to be replicated separately.
final byte[] valueBytes = new byte[8 *1024];
for (int i = 0; i < NUM_ROWS; i++) {
htable1.put(new Put(("row"+Integer.toString(i)).getBytes())
.addColumn(famName, null, valueBytes)
);
}
} finally {
FailureInjectingReplicationEndpointForTest.resume();
}
// Wait for replication to complete.
// We can expect 10 batches
Waiter.waitFor(conf1, 60000, new Waiter.ExplainingPredicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
return FailureInjectingReplicationEndpointForTest.getEntriesCount() >= NUM_ROWS;
}
@Override
public String explainFailure() throws Exception {
return "We waited too long for expected replication of " + NUM_ROWS + " entries";
}
});
assertEquals("We did not replicate enough rows", NUM_ROWS,
utility2.countRows(htable2));
} finally {
admin.removePeer("testReplicatorWithErrors");
}
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
TestReplicationBase.tearDownAfterClass();
}
private void truncateTable(HBaseTestingUtility util, TableName tablename) throws IOException {
HBaseAdmin admin = util.getHBaseAdmin();
admin.disableTable(tableName);
admin.truncateTable(tablename, false);
}
public static class ReplicationEndpointForTest extends HBaseInterClusterReplicationEndpoint {
private static int batchCount;
private static int entriesCount;
private static final Object latch = new Object();
private static AtomicBoolean useLatch = new AtomicBoolean(false);
public static void resume() {
useLatch.set(false);
synchronized (latch) {
latch.notifyAll();
}
}
public static void pause() {
useLatch.set(true);
}
public static void await() throws InterruptedException {
if (useLatch.get()) {
LOG.info("Waiting on latch");
latch.wait();
LOG.info("Waited on latch, now proceeding");
}
}
public static int getBatchCount() {
return batchCount;
}
public static void setBatchCount(int i) {
batchCount = i;
}
public static int getEntriesCount() {
return entriesCount;
}
public static void setEntriesCount(int i) {
entriesCount = i;
}
public class ReplicatorForTest extends Replicator {
public ReplicatorForTest(List<Entry> entries, int ordinal) {
super(entries, ordinal);
}
@Override
protected void replicateEntries(BlockingInterface rrs, final List<Entry> entries,
String replicationClusterId, Path baseNamespaceDir, Path hfileArchiveDir)
throws IOException {
try {
long size = 0;
for (Entry e: entries) {
size += e.getKey().estimatedSerializedSizeOf();
size += e.getEdit().estimatedSerializedSizeOf();
}
LOG.info("Replicating batch " + System.identityHashCode(entries) + " of " +
entries.size() + " entries with total size " + size + " bytes to " +
replicationClusterId);
super.replicateEntries(rrs, entries, replicationClusterId, baseNamespaceDir,
hfileArchiveDir);
entriesCount += entries.size();
batchCount++;
LOG.info("Completed replicating batch " + System.identityHashCode(entries));
} catch (IOException e) {
LOG.info("Failed to replicate batch " + System.identityHashCode(entries), e);
throw e;
}
}
}
@Override
public boolean replicate(ReplicateContext replicateContext) {
try {
await();
} catch (InterruptedException e) {
LOG.warn("Interrupted waiting for latch", e);
}
return super.replicate(replicateContext);
}
@Override
protected Replicator createReplicator(List<Entry> entries, int ordinal) {
return new ReplicatorForTest(entries, ordinal);
}
}
public static class FailureInjectingReplicationEndpointForTest
extends ReplicationEndpointForTest {
static class FailureInjectingBlockingInterface implements BlockingInterface {
private final BlockingInterface delegate;
private volatile boolean failNext;
public FailureInjectingBlockingInterface(BlockingInterface delegate) {
this.delegate = delegate;
}
@Override
public GetRegionInfoResponse getRegionInfo(RpcController controller,
GetRegionInfoRequest request) throws ServiceException {
return delegate.getRegionInfo(controller, request);
}
@Override
public GetStoreFileResponse getStoreFile(RpcController controller,
GetStoreFileRequest request) throws ServiceException {
return delegate.getStoreFile(controller, request);
}
@Override
public GetOnlineRegionResponse getOnlineRegion(RpcController controller,
GetOnlineRegionRequest request) throws ServiceException {
return delegate.getOnlineRegion(controller, request);
}
@Override
public OpenRegionResponse openRegion(RpcController controller, OpenRegionRequest request)
throws ServiceException {
return delegate.openRegion(controller, request);
}
@Override
public WarmupRegionResponse warmupRegion(RpcController controller,
WarmupRegionRequest request) throws ServiceException {
return delegate.warmupRegion(controller, request);
}
@Override
public CloseRegionResponse closeRegion(RpcController controller, CloseRegionRequest request)
throws ServiceException {
return delegate.closeRegion(controller, request);
}
@Override
public FlushRegionResponse flushRegion(RpcController controller, FlushRegionRequest request)
throws ServiceException {
return delegate.flushRegion(controller, request);
}
@Override
public SplitRegionResponse splitRegion(RpcController controller, SplitRegionRequest request)
throws ServiceException {
return delegate.splitRegion(controller, request);
}
@Override
public CompactRegionResponse compactRegion(RpcController controller,
CompactRegionRequest request) throws ServiceException {
return delegate.compactRegion(controller, request);
}
@Override
public ReplicateWALEntryResponse replicateWALEntry(RpcController controller,
ReplicateWALEntryRequest request) throws ServiceException {
if (!failNext) {
failNext = true;
return delegate.replicateWALEntry(controller, request);
} else {
failNext = false;
throw new ServiceException("Injected failure");
}
}
@Override
public ReplicateWALEntryResponse replay(RpcController controller,
ReplicateWALEntryRequest request) throws ServiceException {
return delegate.replay(controller, request);
}
@Override
public RollWALWriterResponse rollWALWriter(RpcController controller,
RollWALWriterRequest request) throws ServiceException {
return delegate.rollWALWriter(controller, request);
}
@Override
public GetServerInfoResponse getServerInfo(RpcController controller,
GetServerInfoRequest request) throws ServiceException {
return delegate.getServerInfo(controller, request);
}
@Override
public StopServerResponse stopServer(RpcController controller, StopServerRequest request)
throws ServiceException {
return delegate.stopServer(controller, request);
}
@Override
public UpdateFavoredNodesResponse updateFavoredNodes(RpcController controller,
UpdateFavoredNodesRequest request) throws ServiceException {
return delegate.updateFavoredNodes(controller, request);
}
@Override
public UpdateConfigurationResponse updateConfiguration(RpcController controller,
UpdateConfigurationRequest request) throws ServiceException {
return delegate.updateConfiguration(controller, request);
}
@Override
public CloseRegionForSplitOrMergeResponse closeRegionForSplitOrMerge(RpcController controller,
CloseRegionForSplitOrMergeRequest request) throws ServiceException {
return delegate.closeRegionForSplitOrMerge(controller, request);
}
@Override
public GetRegionLoadResponse getRegionLoad(RpcController controller,
GetRegionLoadRequest request) throws ServiceException {
return delegate.getRegionLoad(controller, request);
}
@Override
public ClearCompactionQueuesResponse clearCompactionQueues(RpcController controller,
ClearCompactionQueuesRequest request) throws ServiceException {
return delegate.clearCompactionQueues(controller, request);
}
@Override
public GetSpaceQuotaSnapshotsResponse getSpaceQuotaSnapshots(RpcController controller,
GetSpaceQuotaSnapshotsRequest request) throws ServiceException {
return delegate.getSpaceQuotaSnapshots(controller, request);
}
}
public class FailureInjectingReplicatorForTest extends ReplicatorForTest {
public FailureInjectingReplicatorForTest(List<Entry> entries, int ordinal) {
super(entries, ordinal);
}
@Override
protected void replicateEntries(BlockingInterface rrs, List<Entry> entries,
String replicationClusterId, Path baseNamespaceDir, Path hfileArchiveDir)
throws IOException {
super.replicateEntries(new FailureInjectingBlockingInterface(rrs), entries,
replicationClusterId, baseNamespaceDir, hfileArchiveDir);
}
}
@Override
protected Replicator createReplicator(List<Entry> entries, int ordinal) {
return new FailureInjectingReplicatorForTest(entries, ordinal);
}
}
}