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https://issues.apache.org/jira/browse/YARN-7585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16309046#comment-16309046
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Miklos Szegedi commented on YARN-7585:
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+1. Thank you for the contribution [~wilfreds] and for the review [~grepas]. I
will commit this shortly.
> NodeManager should go unhealthy when state store throws DBException
> --------------------------------------------------------------------
>
> Key: YARN-7585
> URL: https://issues.apache.org/jira/browse/YARN-7585
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Wilfred Spiegelenburg
> Assignee: Wilfred Spiegelenburg
> Attachments: YARN-7585.001.patch, YARN-7585.002.patch,
> YARN-7585.003.patch
>
>
> If work preserving recover is enabled the NM will not start up if the state
> store does not initialise. However if the state store becomes unavailable
> after that for any reason the NM will not go unhealthy.
> Since the state store is not available new containers can not be started any
> more and the NM should become unhealthy:
> {code}
> AMLauncher: Error launching appattempt_1508806289867_268617_000001. Got
> exception: org.apache.hadoop.yarn.exceptions.YarnException:
> java.io.IOException: org.iq80.leveldb.DBException: IO error:
> /dsk/app/var/lib/hadoop-yarn/yarn-nm-recovery/yarn-nm-state/028269.log:
> Read-only file system
> at o.a.h.yarn.ipc.RPCUtil.getRemoteException(RPCUtil.java:38)
> at
> o.a.h.y.s.n.cm.ContainerManagerImpl.startContainers(ContainerManagerImpl.java:721)
> ...
> Caused by: java.io.IOException: org.iq80.leveldb.DBException: IO error:
> /dsk/app/var/lib/hadoop-yarn/yarn-nm-recovery/yarn-nm-state/028269.log:
> Read-only file system
> at
> o.a.h.y.s.n.r.NMLeveldbStateStoreService.storeApplication(NMLeveldbStateStoreService.java:374)
> at
> o.a.h.y.s.n.cm.ContainerManagerImpl.startContainerInternal(ContainerManagerImpl.java:848)
> at
> o.a.h.y.s.n.cm.ContainerManagerImpl.startContainers(ContainerManagerImpl.java:712)
> {code}
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