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Posted to mapreduce-issues@hadoop.apache.org by "Bilwa S T (JIRA)" <ji...@apache.org> on 2017/04/05 13:15:41 UTC
[jira] [Updated] (MAPREDUCE-6867) ApplicationMaster hung on OOM
Error
[ https://issues.apache.org/jira/browse/MAPREDUCE-6867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bilwa S T updated MAPREDUCE-6867:
---------------------------------
Attachment: MAPREDUCE-6867.patch
> ApplicationMaster hung on OOM Error
> -----------------------------------
>
> Key: MAPREDUCE-6867
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6867
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster
> Reporter: Bilwa S T
> Assignee: Bilwa S T
> Attachments: MAPREDUCE-6867.patch
>
>
> Whenever OOM Error is thown, {{YarnUncaughtExceptionHandler}} will call {{ExitUtil.halt(-1)}}.But while halting, OOM might occur which is not handled.
> We came across a scenario where in when we submit mapreduce application ,OOM error occured in {{committerEventProcessor}} and then AM did not halt and did not log the following.Finally AM got hang since it's not thrown to main thread.
> {code}LOG.info("Halt with status " + status + " Message: " + msg);{code}
> *org.apache.hadoop.util.ExitUtil.halt(int, String)*
> {code}
> public static void halt(int status, String msg) throws HaltException {
> LOG.info("Halt with status " + status + " Message: " + msg);
> if (systemHaltDisabled) {
> HaltException ee = new HaltException(status, msg);
> LOG.fatal("Halt called", ee);
> if (null == firstHaltException) {
> firstHaltException = ee;
> }
> throw ee;
> }
> Runtime.getRuntime().halt(status);
> }
> {code}
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