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HBASE-28582 ModifyTableProcedure should not reset TRSP on region node…
… when closing unused region replicas (#5903) Signed-off-by: Viraj Jasani <[email protected]>
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159 changes: 159 additions & 0 deletions
159
...ain/java/org/apache/hadoop/hbase/master/procedure/CloseExcessRegionReplicasProcedure.java
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|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| /* | ||
| * 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.procedure; | ||
|
|
||
| import java.io.IOException; | ||
| import org.apache.commons.lang3.mutable.MutableBoolean; | ||
| import org.apache.hadoop.hbase.TableName; | ||
| import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer; | ||
| import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException; | ||
| import org.apache.hadoop.hbase.procedure2.ProcedureUtil; | ||
| import org.apache.hadoop.hbase.procedure2.ProcedureYieldException; | ||
| import org.apache.hadoop.hbase.util.RetryCounter; | ||
| import org.apache.yetus.audience.InterfaceAudience; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil; | ||
| import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.CloseExcessRegionReplicasProcedureState; | ||
| import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.CloseExcessRegionReplicasProcedureStateData; | ||
| import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos; | ||
|
|
||
| /** | ||
| * Procedure for close excess region replicas. | ||
| */ | ||
| @InterfaceAudience.Private | ||
| public class CloseExcessRegionReplicasProcedure | ||
| extends AbstractStateMachineTableProcedure<CloseExcessRegionReplicasProcedureState> { | ||
|
|
||
| private static final Logger LOG = | ||
| LoggerFactory.getLogger(CloseExcessRegionReplicasProcedure.class); | ||
|
|
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| private TableName tableName; | ||
| private int newReplicaCount; | ||
|
|
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| private RetryCounter retryCounter; | ||
|
|
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| public CloseExcessRegionReplicasProcedure() { | ||
| } | ||
|
|
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| public CloseExcessRegionReplicasProcedure(TableName tableName, int newReplicaCount) { | ||
| this.tableName = tableName; | ||
| this.newReplicaCount = newReplicaCount; | ||
| } | ||
|
|
||
| @Override | ||
| public TableName getTableName() { | ||
| return tableName; | ||
| } | ||
|
|
||
| @Override | ||
| public TableOperationType getTableOperationType() { | ||
| return TableOperationType.REGION_EDIT; | ||
| } | ||
|
|
||
| @Override | ||
| protected Flow executeFromState(MasterProcedureEnv env, | ||
| CloseExcessRegionReplicasProcedureState state) | ||
| throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException { | ||
| LOG.trace("{} execute state={}", this, state); | ||
| switch (state) { | ||
| case CLOSE_EXCESS_REGION_REPLICAS_SCHEDULE: | ||
| MutableBoolean submitted = new MutableBoolean(false); | ||
| int inTransitionCount = env.getAssignmentManager() | ||
| .submitUnassignProcedureForClosingExcessRegionReplicas(tableName, newReplicaCount, p -> { | ||
| submitted.setTrue(); | ||
| addChildProcedure(p); | ||
| }); | ||
| if (inTransitionCount > 0 && submitted.isFalse()) { | ||
| // we haven't scheduled any unassign procedures and there are still regions in | ||
| // transition, sleep for a while and try again | ||
| if (retryCounter == null) { | ||
| retryCounter = ProcedureUtil.createRetryCounter(env.getMasterConfiguration()); | ||
| } | ||
| long backoffMillis = retryCounter.getBackoffTimeAndIncrementAttempts(); | ||
| LOG.info( | ||
| "There are still {} region(s) in transition for table {} when closing excess" | ||
| + " region replicas, suspend {}secs and try again later", | ||
| inTransitionCount, tableName, backoffMillis / 1000); | ||
| suspend((int) backoffMillis, true); | ||
| } | ||
| setNextState(CloseExcessRegionReplicasProcedureState.CLOSE_EXCESS_REGION_REPLICAS_CONFIRM); | ||
| return Flow.HAS_MORE_STATE; | ||
| case CLOSE_EXCESS_REGION_REPLICAS_CONFIRM: | ||
| int unclosedCount = env.getAssignmentManager() | ||
| .numberOfUnclosedExcessRegionReplicas(tableName, newReplicaCount); | ||
| if (unclosedCount > 0) { | ||
| LOG.info("There are still {} unclosed region(s) for table {} when closing excess" | ||
| + " region replicas, continue..."); | ||
| setNextState( | ||
| CloseExcessRegionReplicasProcedureState.CLOSE_EXCESS_REGION_REPLICAS_SCHEDULE); | ||
| return Flow.HAS_MORE_STATE; | ||
| } else { | ||
| return Flow.NO_MORE_STATE; | ||
| } | ||
| default: | ||
| throw new UnsupportedOperationException("unhandled state=" + state); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) { | ||
| setState(ProcedureProtos.ProcedureState.RUNNABLE); | ||
| env.getProcedureScheduler().addFront(this); | ||
| return false; | ||
| } | ||
|
|
||
| @Override | ||
| protected void rollbackState(MasterProcedureEnv env, | ||
| CloseExcessRegionReplicasProcedureState state) throws IOException, InterruptedException { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
||
| @Override | ||
| protected CloseExcessRegionReplicasProcedureState getState(int stateId) { | ||
| return CloseExcessRegionReplicasProcedureState.forNumber(stateId); | ||
| } | ||
|
|
||
| @Override | ||
| protected int getStateId(CloseExcessRegionReplicasProcedureState state) { | ||
| return state.getNumber(); | ||
| } | ||
|
|
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| @Override | ||
| protected CloseExcessRegionReplicasProcedureState getInitialState() { | ||
| return CloseExcessRegionReplicasProcedureState.CLOSE_EXCESS_REGION_REPLICAS_SCHEDULE; | ||
| } | ||
|
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| @Override | ||
| protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException { | ||
| CloseExcessRegionReplicasProcedureStateData data = CloseExcessRegionReplicasProcedureStateData | ||
| .newBuilder().setTableName(ProtobufUtil.toProtoTableName(tableName)) | ||
| .setNewReplicaCount(newReplicaCount).build(); | ||
| serializer.serialize(data); | ||
| } | ||
|
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| @Override | ||
| protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException { | ||
| CloseExcessRegionReplicasProcedureStateData data = | ||
| serializer.deserialize(CloseExcessRegionReplicasProcedureStateData.class); | ||
| tableName = ProtobufUtil.toTableName(data.getTableName()); | ||
| newReplicaCount = data.getNewReplicaCount(); | ||
| } | ||
|
|
||
| } |
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107 changes: 107 additions & 0 deletions
107
...org/apache/hadoop/hbase/master/assignment/TestReduceExcessRegionReplicasBlockedByRIT.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| /* | ||
| * 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.assertEquals; | ||
| import static org.junit.Assert.assertFalse; | ||
| import static org.junit.Assert.assertTrue; | ||
|
|
||
| import java.util.concurrent.CompletableFuture; | ||
| import org.apache.hadoop.hbase.HBaseClassTestRule; | ||
| import org.apache.hadoop.hbase.HBaseTestingUtil; | ||
| import org.apache.hadoop.hbase.TableName; | ||
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; | ||
| import org.apache.hadoop.hbase.client.TableDescriptor; | ||
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; | ||
| import org.apache.hadoop.hbase.master.RegionState; | ||
| import org.apache.hadoop.hbase.master.procedure.CloseExcessRegionReplicasProcedure; | ||
| import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv; | ||
| import org.apache.hadoop.hbase.procedure2.ProcedureExecutor; | ||
| import org.apache.hadoop.hbase.testclassification.MasterTests; | ||
| import org.apache.hadoop.hbase.testclassification.MediumTests; | ||
| import org.junit.AfterClass; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.ClassRule; | ||
| import org.junit.Test; | ||
| import org.junit.experimental.categories.Category; | ||
|
|
||
| /** | ||
| * A test to make sure that we will wait for RIT to finish while closing excess region replicas. See | ||
| * HBASE-28582 and related issues for more details. | ||
| */ | ||
| @Category({ MasterTests.class, MediumTests.class }) | ||
| public class TestReduceExcessRegionReplicasBlockedByRIT { | ||
|
|
||
| @ClassRule | ||
| public static final HBaseClassTestRule CLASS_RULE = | ||
| HBaseClassTestRule.forClass(TestReduceExcessRegionReplicasBlockedByRIT.class); | ||
|
|
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| private static final HBaseTestingUtil UTIL = new HBaseTestingUtil(); | ||
|
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| private static TableDescriptor TD = | ||
| TableDescriptorBuilder.newBuilder(TableName.valueOf("CloseExcessRegionReplicas")) | ||
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of("family")).setRegionReplication(4).build(); | ||
|
|
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| @BeforeClass | ||
| public static void setUp() throws Exception { | ||
| UTIL.startMiniCluster(1); | ||
| UTIL.getAdmin().createTable(TD); | ||
| UTIL.waitTableAvailable(TD.getTableName()); | ||
| UTIL.waitUntilNoRegionsInTransition(); | ||
| } | ||
|
|
||
| @AfterClass | ||
| public static void tearDown() throws Exception { | ||
| UTIL.shutdownMiniCluster(); | ||
| } | ||
|
|
||
| @Test | ||
| public void testRIT() throws Exception { | ||
| RegionStateNode rsn = UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager() | ||
| .getRegionStates().getTableRegionStateNodes(TD.getTableName()).stream() | ||
| .filter(rn -> rn.getRegionInfo().getReplicaId() > 1).findAny().get(); | ||
| // fake a TRSP to block the CloseExcessRegionReplicasProcedure | ||
| TransitRegionStateProcedure trsp = new TransitRegionStateProcedure(); | ||
| rsn.setProcedure(trsp); | ||
| TableDescriptor newTd = TableDescriptorBuilder.newBuilder(TD).setRegionReplication(2).build(); | ||
| CompletableFuture<Void> future = UTIL.getAsyncConnection().getAdmin().modifyTable(newTd); | ||
| ProcedureExecutor<MasterProcedureEnv> procExec = | ||
| UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor(); | ||
| UTIL.waitFor(5000, () -> procExec.getProcedures().stream() | ||
| .anyMatch(p -> p instanceof CloseExcessRegionReplicasProcedure && !p.isFinished())); | ||
| CloseExcessRegionReplicasProcedure proc = | ||
| procExec.getProcedures().stream().filter(p -> p instanceof CloseExcessRegionReplicasProcedure) | ||
| .map(p -> (CloseExcessRegionReplicasProcedure) p).findFirst().get(); | ||
| // make sure that the procedure can not finish | ||
| for (int i = 0; i < 5; i++) { | ||
| Thread.sleep(3000); | ||
| assertFalse(proc.isFinished()); | ||
| } | ||
| assertTrue(rsn.isInState(RegionState.State.OPEN)); | ||
| // unset the procedure, so we could make progress on CloseExcessRegionReplicasProcedure | ||
| rsn.unsetProcedure(trsp); | ||
| UTIL.waitFor(60000, () -> proc.isFinished()); | ||
|
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| future.get(); | ||
|
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| // the region should be in CLOSED state, and should have been removed from AM | ||
| assertTrue(rsn.isInState(RegionState.State.CLOSED)); | ||
| // only 2 replicas now | ||
| assertEquals(2, UTIL.getMiniHBaseCluster().getRegions(TD.getTableName()).size()); | ||
| } | ||
| } |
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