-
Notifications
You must be signed in to change notification settings - Fork 3.3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
HBASE-28522 UNASSIGN proc indefinitely stuck on dead rs
- Loading branch information
Showing
7 changed files
with
466 additions
and
110 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
147 changes: 147 additions & 0 deletions
147
...ain/java/org/apache/hadoop/hbase/master/procedure/AbstractCloseTableRegionsProcedure.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * 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 java.util.function.Consumer; | ||
| import org.apache.commons.lang3.mutable.MutableBoolean; | ||
| import org.apache.hadoop.hbase.TableName; | ||
| import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure; | ||
| 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.generated.ProcedureProtos; | ||
|
|
||
| /** | ||
| * Base class for unassigning table regions. | ||
| */ | ||
| @InterfaceAudience.Private | ||
| public abstract class AbstractCloseTableRegionsProcedure<TState extends Enum<?>> | ||
| extends AbstractStateMachineTableProcedure<TState> { | ||
|
|
||
| private static final Logger LOG = | ||
| LoggerFactory.getLogger(AbstractCloseTableRegionsProcedure.class); | ||
|
|
||
| protected TableName tableName; | ||
|
|
||
| private RetryCounter retryCounter; | ||
|
|
||
| protected AbstractCloseTableRegionsProcedure() { | ||
| } | ||
|
|
||
| protected AbstractCloseTableRegionsProcedure(TableName tableName) { | ||
| this.tableName = tableName; | ||
| } | ||
|
|
||
| @Override | ||
| public TableName getTableName() { | ||
| return tableName; | ||
| } | ||
|
|
||
| @Override | ||
| public TableOperationType getTableOperationType() { | ||
| return TableOperationType.REGION_EDIT; | ||
| } | ||
|
|
||
| private Flow schedule(MasterProcedureEnv env) throws ProcedureSuspendedException { | ||
| MutableBoolean submitted = new MutableBoolean(false); | ||
| int inTransitionCount = submitUnassignProcedure(env, 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 closing regions of table {}" | ||
| + " when executing {}, suspend {}secs and try again later", | ||
| inTransitionCount, tableName, getClass().getSimpleName(), backoffMillis / 1000); | ||
| suspend((int) backoffMillis, true); | ||
| } | ||
| setNextState(getConfirmState()); | ||
| return Flow.HAS_MORE_STATE; | ||
| } | ||
|
|
||
| private Flow confirm(MasterProcedureEnv env) { | ||
| int unclosedCount = numberOfUnclosedRegions(env); | ||
| if (unclosedCount > 0) { | ||
| LOG.info( | ||
| "There are still {} unclosed region(s) for closing regions of table {}" | ||
| + " when executing {}, continue...", | ||
| unclosedCount, tableName, getClass().getSimpleName()); | ||
| setNextState(getInitialState()); | ||
| return Flow.HAS_MORE_STATE; | ||
| } else { | ||
| return Flow.NO_MORE_STATE; | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| protected Flow executeFromState(MasterProcedureEnv env, TState state) | ||
| throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException { | ||
| LOG.trace("{} execute state={}", this, state); | ||
| if (state == getInitialState()) { | ||
| return schedule(env); | ||
| } else if (state == getConfirmState()) { | ||
| return confirm(env); | ||
| } else { | ||
| throw new UnsupportedOperationException("unhandled state=" + state); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| protected void rollbackState(MasterProcedureEnv env, TState state) | ||
| throws IOException, InterruptedException { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
|
||
| @Override | ||
| protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) { | ||
| setState(ProcedureProtos.ProcedureState.RUNNABLE); | ||
| env.getProcedureScheduler().addFront(this); | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * We have two state for this type of procedures, the initial state for scheduling unassign | ||
| * procedures, and the confirm state for checking whether we have unassigned all the regions. | ||
| * @return the confirm state | ||
| */ | ||
| protected abstract TState getConfirmState(); | ||
|
|
||
| /** | ||
| * Submit TRSP for unassigning regions. Return the number of regions in RIT state that we can not | ||
| * schedule TRSP for them. | ||
| */ | ||
| protected abstract int submitUnassignProcedure(MasterProcedureEnv env, | ||
| Consumer<TransitRegionStateProcedure> submit); | ||
|
|
||
| /** | ||
| * Return the number of uncloses regions. Returning {@code 0} means we are done. | ||
| */ | ||
| protected abstract int numberOfUnclosedRegions(MasterProcedureEnv env); | ||
| } |
Oops, something went wrong.