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https://issues.apache.org/jira/browse/HDDS-799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675583#comment-16675583
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Jitendra Nath Pandey edited comment on HDDS-799 at 11/6/18 12:36 AM:
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The further discussions will be happening over HDDS-806.
was (Author: shashikant):
The further discussions will be happening over HDDS-807.
> Avoid ByteString to byte array conversion cost by using ByteBuffer in Datanode
> ------------------------------------------------------------------------------
>
> Key: HDDS-799
> URL: https://issues.apache.org/jira/browse/HDDS-799
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode
> Affects Versions: 0.3.0
> Reporter: Nilotpal Nandi
> Assignee: Mukul Kumar Singh
> Priority: Blocker
> Fix For: 0.3.0, 0.4.0
>
> Attachments: HDDS-799-ozone-0.3.001.patch,
> HDDS-799-ozone-0.3.002.patch, HDDS-799.001.patch,
> all-node-ozone-logs-1540979056.tar.gz
>
>
> datanode stopped due to following error :
> datanode.log
> {noformat}
> 2018-10-31 09:12:04,517 INFO org.apache.ratis.server.impl.RaftServerImpl:
> 9fab9937-fbcd-4196-8014-cb165045724b: set configuration 169:
> [9fab9937-fbcd-4196-8014-cb165045724b:172.27.15.131:9858,
> ce0084c2-97cd-4c97-9378-e5175daad18b:172.27.15.139:9858,
> f0291cb4-7a48-456a-847f-9f91a12aa850:172.27.38.9:9858], old=null at 169
> 2018-10-31 09:12:22,187 ERROR org.apache.ratis.server.storage.RaftLogWorker:
> Terminating with exit status 1:
> 9fab9937-fbcd-4196-8014-cb165045724b-RaftLogWorker failed.
> org.apache.ratis.protocol.TimeoutIOException: Timeout: WriteLog:182: (t:10,
> i:182), STATEMACHINELOGENTRY, client-611073BBFA46,
> cid=127-writeStateMachineData
> at org.apache.ratis.util.IOUtils.getFromFuture(IOUtils.java:87)
> at
> org.apache.ratis.server.storage.RaftLogWorker$WriteLog.execute(RaftLogWorker.java:310)
> at org.apache.ratis.server.storage.RaftLogWorker.run(RaftLogWorker.java:182)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.util.concurrent.TimeoutException
> at
> java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1771)
> at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1915)
> at org.apache.ratis.util.IOUtils.getFromFuture(IOUtils.java:79)
> ... 3 more{noformat}
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