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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-1431) Drillbit continue to report positive status after hitting out of memory condition
Date Sun, 28 Dec 2014 23:31:19 GMT

    [ https://issues.apache.org/jira/browse/DRILL-1431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14259753#comment-14259753
] 

Jacques Nadeau commented on DRILL-1431:
---------------------------------------

Ideally this should be handled.  However, fixing out of memory is more important.

> Drillbit continue to report positive status after hitting out of memory condition
> ---------------------------------------------------------------------------------
>
>                 Key: DRILL-1431
>                 URL: https://issues.apache.org/jira/browse/DRILL-1431
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>            Reporter: Norris Lee
>            Priority: Minor
>             Fix For: Future
>
>
> Over time, a drillbit tends to hang. Eg. If a drillbit runs out of memory, the drillbit
will still be in the list of drillbits returned by zookeeper. Since Drill Client randomly
selects a drillbit from that list, the drillbit it connects to may be unhealthy. Drill Client
should do a quick connection check to determine whether drillbit is actually healthy. If not,
it should select another drillbit and test again until it has found a healthy drillbit.



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