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Posted to yarn-issues@hadoop.apache.org by "Wilfred Spiegelenburg (JIRA)" <ji...@apache.org> on 2017/12/10 23:48:03 UTC
[jira] [Updated] (YARN-7585) NodeManager should go unhealthy when
state store throws DBException
[ https://issues.apache.org/jira/browse/YARN-7585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wilfred Spiegelenburg updated YARN-7585:
----------------------------------------
Attachment: YARN-7585.001.patch
Patch to maek service unhealthy when the DB throws errors after it has restored and the NM is up and running. Failures during restore will mark the NM as failed during startup.
> 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
>
>
> 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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