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HBASE-25032 Do not assign regions to region server which has not called regionServerReport yet (#3268) 

Signed-off-by: Bharath Vissapragada <bharathv@apache.org>
Signed-off-by: Michael Stack <stack@apache.org>
This commit is contained in:
Duo Zhang 2021-05-18 08:08:03 +08:00 committed by GitHub
parent 2126ec94f0
commit 741b4b4674
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 346 additions and 12 deletions
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2
hbase-client/src/main/java/org/apache/hadoop/hbase/ServerMetricsBuilder.java
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@ -320,7 +320,7 @@ public final class ServerMetricsBuilder {
Map<String,List<ReplicationLoadSource>> sourcesMap = new HashMap<>();
for(ReplicationLoadSource loadSource : sources){
sourcesMap.computeIfAbsent(loadSource.getPeerID(),
peerId -> new ArrayList()).add(loadSource);
peerId -> new ArrayList<>()).add(loadSource);
}
return sourcesMap;
}

19
hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
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@ -24,6 +24,7 @@ import java.io.IOException;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
@ -959,11 +960,19 @@ public class ServerManager {
/**
* Creates a list of possible destinations for a region. It contains the online servers, but not
* the draining or dying servers.
* @param serversToExclude can be null if there is no server to exclude
* the draining or dying servers.
* @param serversToExclude can be null if there is no server to exclude
*/
public List<ServerName> createDestinationServersList(final List<ServerName> serversToExclude){
final List<ServerName> destServers = getOnlineServersList();
public List<ServerName> createDestinationServersList(final List<ServerName> serversToExclude) {
Set<ServerName> destServers = new HashSet<>();
onlineServers.forEach((sn, sm) -> {
if (sm.getLastReportTimestamp() > 0) {
// This means we have already called regionServerReport at leaset once, then let's include
// this server for region assignment. This is an optimization to avoid assigning regions to
// an uninitialized server. See HBASE-25032 for more details.
destServers.add(sn);
}
});
if (serversToExclude != null) {
destServers.removeAll(serversToExclude);
@ -973,7 +982,7 @@ public class ServerManager {
final List<ServerName> drainingServersCopy = getDrainingServersList();
destServers.removeAll(drainingServersCopy);
return destServers;
return new ArrayList<>(destServers);
}
/**

4
hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java
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@ -76,7 +76,7 @@ public class RSGroupBasedLoadBalancer implements LoadBalancer {
private MasterServices masterServices;
private FavoredNodesManager favoredNodesManager;
private volatile RSGroupInfoManager rsGroupInfoManager;
private LoadBalancer internalBalancer;
private volatile LoadBalancer internalBalancer;
/**
* Set this key to {@code true} to allow region fallback.
@ -87,7 +87,7 @@ public class RSGroupBasedLoadBalancer implements LoadBalancer {
*/
public static final String FALLBACK_GROUP_ENABLE_KEY = "hbase.rsgroup.fallback.enable";
private boolean fallbackEnabled = false;
private volatile boolean fallbackEnabled = false;
/**
* Used by reflection in {@link org.apache.hadoop.hbase.master.balancer.LoadBalancerFactory}.

37
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterMetrics.java
View File

@ -18,13 +18,18 @@
package org.apache.hadoop.hbase.master;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.HashMap;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.CompatibilityFactory;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.ServerMetricsBuilder;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.StartMiniClusterOption;
import org.apache.hadoop.hbase.YouAreDeadException;
import org.apache.hadoop.hbase.regionserver.RSRpcServices;
import org.apache.hadoop.hbase.test.MetricsAssertHelper;
import org.apache.hadoop.hbase.testclassification.MasterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
@ -37,9 +42,14 @@ import org.junit.experimental.categories.Category;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerStartupRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerStartupResponse;
@Category({ MasterTests.class, MediumTests.class })
public class TestMasterMetrics {
@ -66,6 +76,33 @@ public class TestMasterMetrics {
protected void tryRegionServerReport(long reportStartTime, long reportEndTime) {
// do nothing
}
@Override
protected RSRpcServices createRpcServices() throws IOException {
return new MasterRpcServices(this) {
@Override
public RegionServerStartupResponse regionServerStartup(RpcController controller,
RegionServerStartupRequest request) throws ServiceException {
RegionServerStartupResponse resp = super.regionServerStartup(controller, request);
ServerManager serverManager = getServerManager();
// to let the region server actual online otherwise we can not assign meta region
new HashMap<>(serverManager.getOnlineServers()).forEach((sn, sm) -> {
if (sm.getLastReportTimestamp() <= 0) {
try {
serverManager.regionServerReport(sn,
ServerMetricsBuilder.newBuilder(sn).setVersionNumber(sm.getVersionNumber())
.setVersion(sm.getVersion()).setLastReportTimestamp(System.currentTimeMillis())
.build());
} catch (YouAreDeadException e) {
throw new UncheckedIOException(e);
}
}
});
return resp;
}
};
}
}
public static class MyRegionServer extends MiniHBaseCluster.MiniHBaseClusterRegionServer {

6
hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/MockMasterServices.java
View File

@ -148,7 +148,8 @@ public class MockMasterServices extends MockNoopMasterServices {
this.assignmentManager.start();
for (int i = 0; i < numServes; ++i) {
ServerName sn = ServerName.valueOf("localhost", 100 + i, 1);
serverManager.regionServerReport(sn, ServerMetricsBuilder.of(sn));
serverManager.regionServerReport(sn, ServerMetricsBuilder.newBuilder(sn)
.setLastReportTimestamp(System.currentTimeMillis()).build());
}
this.procedureExecutor.getEnvironment().setEventReady(initialized, true);
}
@ -174,7 +175,8 @@ public class MockMasterServices extends MockNoopMasterServices {
return;
}
ServerName sn = ServerName.valueOf(serverName.getAddress().toString(), startCode);
serverManager.regionServerReport(sn, ServerMetricsBuilder.of(sn));
serverManager.regionServerReport(sn, ServerMetricsBuilder.newBuilder(sn)
.setLastReportTimestamp(System.currentTimeMillis()).build());
}
@Override

163
hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestAssignRegionToUninitializedRegionServer.java Normal file
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@ -0,0 +1,163 @@
/**
* 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.master.assignment;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.regionserver.RSRpcServices;
import org.apache.hadoop.hbase.testclassification.MasterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ExecuteProceduresRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ExecuteProceduresResponse;
/**
* UT for HBASE-25032.
*/
@Category({ MasterTests.class, MediumTests.class })
public class TestAssignRegionToUninitializedRegionServer {
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestAssignRegionToUninitializedRegionServer.class);
private static CountDownLatch ARRIVE;
private static CountDownLatch RESUME;
private static AtomicBoolean ASSIGN_CALLED = new AtomicBoolean(false);
public static final class RSRpcServicesForTest extends RSRpcServices {
public RSRpcServicesForTest(HRegionServer rs) throws IOException {
super(rs);
}
@Override
public ExecuteProceduresResponse executeProcedures(RpcController controller,
ExecuteProceduresRequest request) throws ServiceException {
if (request.getOpenRegionCount() > 0) {
ASSIGN_CALLED.set(true);
}
return super.executeProcedures(controller, request);
}
}
public static final class RegionServerForTest extends HRegionServer {
public RegionServerForTest(Configuration conf) throws IOException {
super(conf);
}
@Override
protected void tryRegionServerReport(long reportStartTime, long reportEndTime)
throws IOException {
if (ARRIVE != null) {
ARRIVE.countDown();
ARRIVE = null;
try {
RESUME.await();
} catch (InterruptedException e) {
}
}
super.tryRegionServerReport(reportStartTime, reportEndTime);
}
@Override
protected RSRpcServices createRpcServices() throws IOException {
return new RSRpcServicesForTest(this);
}
}
private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
private static TableName NAME = TableName.valueOf("test");
private static byte[] FAMILY = Bytes.toBytes("family");
@BeforeClass
public static void setUp() throws Exception {
UTIL.startMiniCluster(1);
UTIL.createTable(NAME, FAMILY);
UTIL.waitTableAvailable(NAME);
}
@AfterClass
public static void tearDown() throws IOException {
UTIL.shutdownMiniCluster();
}
@Test
public void testMove() throws Exception {
UTIL.getMiniHBaseCluster().getConfiguration().setClass(HConstants.REGION_SERVER_IMPL,
RegionServerForTest.class, HRegionServer.class);
CountDownLatch arrive = new CountDownLatch(1);
ARRIVE = arrive;
RESUME = new CountDownLatch(1);
// restart a new region server, and wait until it finish initialization and want to call
// regionServerReport, so it will load the peer state to peer cache.
Future<HRegionServer> regionServerFuture = ForkJoinPool.commonPool()
.submit(() -> UTIL.getMiniHBaseCluster().startRegionServer().getRegionServer());
ARRIVE.await();
// try move region to the new region server, it will fail, but we need to make sure that we do
// not try to assign it to the new server.
HRegionServer src = UTIL.getRSForFirstRegionInTable(NAME);
HRegionServer dst = UTIL.getOtherRegionServer(src);
try {
UTIL.getAdmin().move(UTIL.getAdmin().getRegions(NAME).get(0).getEncodedNameAsBytes(),
dst.getServerName());
// assert the region should still on the original region server, and we didn't call assign to
// the new server
assertSame(src, UTIL.getRSForFirstRegionInTable(NAME));
assertFalse(ASSIGN_CALLED.get());
} finally {
// let the region server go
RESUME.countDown();
}
// wait the new region server online
assertSame(dst, regionServerFuture.get());
// try move again
UTIL.getAdmin().move(UTIL.getAdmin().getRegions(NAME).get(0).getEncodedNameAsBytes(),
dst.getServerName());
// this time the region should be on the new region server
assertSame(dst, UTIL.getRSForFirstRegionInTable(NAME));
assertTrue(ASSIGN_CALLED.get());
}
}

3
hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestAssignmentManagerBase.java
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@ -309,7 +309,8 @@ public abstract class TestAssignmentManagerBase {
ServerName newSn = ServerName.valueOf("localhost", 10000 + newRsAdded, 1);
newRsAdded++;
try {
this.master.getServerManager().regionServerReport(newSn, ServerMetricsBuilder.of(newSn));
this.master.getServerManager().regionServerReport(newSn, ServerMetricsBuilder
.newBuilder(newSn).setLastReportTimestamp(System.currentTimeMillis()).build());
} catch (YouAreDeadException e) {
// should not happen
throw new UncheckedIOException(e);

115
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestRefreshPeerWhileRegionServerRestarts.java Normal file
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@ -0,0 +1,115 @@
/**
* 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.concurrent.CountDownLatch;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.Future;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.master.replication.DisablePeerProcedure;
import org.apache.hadoop.hbase.procedure2.Procedure;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.replication.ReplicationPeer;
import org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState;
import org.apache.hadoop.hbase.replication.TestReplicationBase;
import org.apache.hadoop.hbase.testclassification.MasterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
/**
* This UT is used to make sure that we will not accidentally change the way to generate online
* servers. See HBASE-25774 and HBASE-25032 for more details.
*/
@Category({ MasterTests.class, MediumTests.class })
public class TestRefreshPeerWhileRegionServerRestarts extends TestReplicationBase {
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestRefreshPeerWhileRegionServerRestarts.class);
private static CountDownLatch ARRIVE;
private static CountDownLatch RESUME;
public static final class RegionServerForTest extends HRegionServer {
public RegionServerForTest(Configuration conf) throws IOException {
super(conf);
}
@Override
protected void tryRegionServerReport(long reportStartTime, long reportEndTime)
throws IOException {
if (ARRIVE != null) {
ARRIVE.countDown();
ARRIVE = null;
try {
RESUME.await();
} catch (InterruptedException e) {
}
}
super.tryRegionServerReport(reportStartTime, reportEndTime);
}
}
@Test
public void testRestart() throws Exception {
UTIL1.getMiniHBaseCluster().getConfiguration().setClass(HConstants.REGION_SERVER_IMPL,
RegionServerForTest.class, HRegionServer.class);
CountDownLatch arrive = new CountDownLatch(1);
ARRIVE = arrive;
RESUME = new CountDownLatch(1);
// restart a new region server, and wait until it finish initialization and want to call
// regionServerReport, so it will load the peer state to peer cache.
Future<HRegionServer> regionServerFuture = ForkJoinPool.commonPool()
.submit(() -> UTIL1.getMiniHBaseCluster().startRegionServer().getRegionServer());
ARRIVE.await();
// change the peer state, wait until it reach the last state, where we have already get the
// region server list for refreshing
Future<Void> future = hbaseAdmin.disableReplicationPeerAsync(PEER_ID2);
try {
UTIL1.waitFor(30000, () -> {
for (Procedure<?> proc : UTIL1.getMiniHBaseCluster().getMaster().getProcedures()) {
if (proc instanceof DisablePeerProcedure) {
return ((DisablePeerProcedure) proc).getCurrentStateId() ==
MasterProcedureProtos.PeerModificationState.POST_PEER_MODIFICATION_VALUE;
}
}
return false;
});
} finally {
// let the new region server go
RESUME.countDown();
}
// wait the disable peer operation to finish
future.get();
// assert that the peer cache on the new region server has also been refreshed
ReplicationPeer peer = regionServerFuture.get().getReplicationSourceService()
.getReplicationPeers().getPeer(PEER_ID2);
assertEquals(PeerState.DISABLED, peer.getPeerState());
}
}

9
hbase-server/src/test/java/org/apache/hadoop/hbase/rsgroup/TestRSGroupsKillRS.java
View File

@ -29,6 +29,7 @@ import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.NamespaceDescriptor;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
@ -39,6 +40,7 @@ import org.apache.hadoop.hbase.client.RegionInfo;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
import org.apache.hadoop.hbase.ipc.MetaRWQueueRpcExecutor;
import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;
import org.apache.hadoop.hbase.net.Address;
import org.apache.hadoop.hbase.testclassification.MediumTests;
@ -69,6 +71,11 @@ public class TestRSGroupsKillRS extends TestRSGroupsBase {
@BeforeClass
public static void setUp() throws Exception {
// avoid all the handlers blocked when meta is offline, and regionServerReport can not be
// processed which causes dead lock.
TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);
TEST_UTIL.getConfiguration()
.setFloat(MetaRWQueueRpcExecutor.META_CALL_QUEUE_READ_SHARE_CONF_KEY, 0.5f);
setUpTestBeforeClass();
}
@ -262,7 +269,7 @@ public class TestRSGroupsKillRS extends TestRSGroupsBase {
assertTrue(majorVersion >= 1);
String lowerVersion = String.valueOf(majorVersion - 1) + originVersion.split("\\.")[1];
setFinalStatic(Version.class.getField("version"), lowerVersion);
TEST_UTIL.getMiniHBaseCluster().startRegionServer(address.getHostname(), address.getPort());
TEST_UTIL.getMiniHBaseCluster().startRegionServer(address.getHostName(), address.getPort());
assertEquals(NUM_SLAVES_BASE,
TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size());
assertTrue(VersionInfo.compareVersion(originVersion,