[ 
https://issues.apache.org/jira/browse/HDDS-824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shashikant Banerjee reassigned HDDS-824:
----------------------------------------

    Assignee: Mukul Kumar Singh  (was: Tsz Wo Nicholas Sze)

> WriteStateMachineData Times Out leading to Datanode crash
> ---------------------------------------------------------
>
>                 Key: HDDS-824
>                 URL: https://issues.apache.org/jira/browse/HDDS-824
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>    Affects Versions: 0.3.0
>            Reporter: Nilotpal Nandi
>            Assignee: Mukul Kumar Singh
>            Priority: Blocker
>             Fix For: 0.3.0
>
>         Attachments: 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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