Shashikant Banerjee created HDDS-850:
----------------------------------------
Summary: ReadStateMachineData hits OverlappingFileLockException in
ContainerStateMachine
Key: HDDS-850
URL: https://issues.apache.org/jira/browse/HDDS-850
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Datanode
Affects Versions: 0.4.0
Reporter: Shashikant Banerjee
Assignee: Shashikant Banerjee
Fix For: 0.4.0
{code:java}
2018-11-16 09:54:41,599 ERROR org.apache.ratis.server.impl.LogAppender:
GrpcLogAppender(0813f1a9-61be-4cab-aa05-d5640f4a8341 ->
c6ad906f-7e71-4bac-bde3-d22bc1aa8c7d) hit IOException while loading raft log
org.apache.ratis.server.storage.RaftLogIOException:
0813f1a9-61be-4cab-aa05-d5640f4a8341: Failed readStateMachineData for (t:2,
i:1), STATEMACHINELOGENTRY, client-7D19FB803B1E, cid=0
at
org.apache.ratis.server.storage.RaftLog$EntryWithData.getEntry(RaftLog.java:370)
at
org.apache.ratis.server.impl.LogAppender$LogEntryBuffer.getAppendRequest(LogAppender.java:167)
at
org.apache.ratis.server.impl.LogAppender.createRequest(LogAppender.java:216)
at
org.apache.ratis.grpc.server.GrpcLogAppender.appendLog(GrpcLogAppender.java:152)
at
org.apache.ratis.grpc.server.GrpcLogAppender.runAppenderImpl(GrpcLogAppender.java:96)
at
org.apache.ratis.server.impl.LogAppender.runAppender(LogAppender.java:100)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.nio.channels.OverlappingFileLockException
at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
at
sun.nio.ch.AsynchronousFileChannelImpl.addToFileLockTable(AsynchronousFileChannelImpl.java:178)
at
sun.nio.ch.SimpleAsynchronousFileChannelImpl.implLock(SimpleAsynchronousFileChannelImpl.java:185)
at
sun.nio.ch.AsynchronousFileChannelImpl.lock(AsynchronousFileChannelImpl.java:118)
at
org.apache.hadoop.ozone.container.keyvalue.helpers.ChunkUtils.readData(ChunkUtils.java:178)
at
org.apache.hadoop.ozone.container.keyvalue.impl.ChunkManagerImpl.readChunk(ChunkManagerImpl.java:197)
at
org.apache.hadoop.ozone.container.keyvalue.KeyValueHandler.handleReadChunk(KeyValueHandler.java:542)
at
org.apache.hadoop.ozone.container.keyvalue.KeyValueHandler.handle(KeyValueHandler.java:174)
at
org.apache.hadoop.ozone.container.common.impl.HddsDispatcher.dispatch(HddsDispatcher.java:178)
at
org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.dispatchCommand(ContainerStateMachine.java:290)
at
org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.readStateMachineData(ContainerStateMachine.java:404)
at
org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.lambda$readStateMachineData$6(ContainerStateMachine.java:462)
at
java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
... 1 more
2018-11-16 09:54:41,597 ERROR org.apache.ratis.server.impl.LogAppender:
GrpcLogAppender(0813f1a9-61be-4cab-aa05-d5640f4a8341 ->
e3e9a703-55bb-482b-a0a1-ce8000474ac2) hit IOException while loading raft log
org.apache.ratis.server.storage.RaftLogIOException:
0813f1a9-61be-4cab-aa05-d5640f4a8341: Failed readStateMachineData for (t:2,
i:2), STATEMACHINELOGENTRY, client-7D19FB803B1E, cid=2
at
org.apache.ratis.server.storage.RaftLog$EntryWithData.getEntry(RaftLog.java:370)
at
org.apache.ratis.server.impl.LogAppender$LogEntryBuffer.getAppendRequest(LogAppender.java:167)
at
org.apache.ratis.server.impl.LogAppender.createRequest(LogAppender.java:216)
at
org.apache.ratis.grpc.server.GrpcLogAppender.appendLog(GrpcLogAppender.java:152)
at
org.apache.ratis.grpc.server.GrpcLogAppender.runAppenderImpl(GrpcLogAppender.java:96)
at
org.apache.ratis.server.impl.LogAppender.runAppender(LogAppender.java:100)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.nio.channels.OverlappingFileLockException
at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
at
sun.nio.ch.AsynchronousFileChannelImpl.addToFileLockTable(AsynchronousFileChannelImpl.java:178)
at
sun.nio.ch.SimpleAsynchronousFileChannelImpl.implLock(SimpleAsynchronousFileChannelImpl.java:185)
at
sun.nio.ch.AsynchronousFileChannelImpl.lock(AsynchronousFileChannelImpl.java:118)
at
org.apache.hadoop.ozone.container.keyvalue.helpers.ChunkUtils.readData(ChunkUtils.java:178)
at
org.apache.hadoop.ozone.container.keyvalue.impl.ChunkManagerImpl.readChunk(ChunkManagerImpl.java:197)
at
org.apache.hadoop.ozone.container.keyvalue.KeyValueHandler.handleReadChunk(KeyValueHandler.java:542)
at
org.apache.hadoop.ozone.container.keyvalue.KeyValueHandler.handle(KeyValueHandler.java:174)
at
org.apache.hadoop.ozone.container.common.impl.HddsDispatcher.dispatch(HddsDispatcher.java:178)
at
org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.dispatchCommand(ContainerStateMachine.java:290)
at
org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.readStateMachineData(ContainerStateMachine.java:404)
at
org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.lambda$readStateMachineData$6(ContainerStateMachine.java:462)
at
java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
{code}
This happens in the Ratis leader where the stateMachineData is not cached
segements in Ratis while it gets a request for ReadStateMachineData while
writeStateMachineData is not completed yet. The approach would be to cache the
stateMachineData inside ContainerStateMachine and not cache it inside ratis.
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