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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-4615) ThreadPool timeout when checking tserver stats is confusing
Date Fri, 16 Mar 2018 15:12:04 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-4615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated ACCUMULO-4615:
-------------------------------------
    Labels: pull-request-available  (was: )

> ThreadPool timeout when checking tserver stats is confusing
> -----------------------------------------------------------
>
>                 Key: ACCUMULO-4615
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4615
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 1.8.1
>            Reporter: Michael Wall
>            Assignee: Jeff Schmidt
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 1.9.0, 2.0.0
>
>
> If it takes longer than the configured time to gather information from all the tablet
servers, the thread pool stops and processing continues with whatever has been collected.
 Code is https://github.com/apache/accumulo/blob/1.8/server/master/src/main/java/org/apache/accumulo/master/Master.java#L1120,
default timeout is 6s.  Does not appear to be an issue prior to 1.8.
> Best case, this was really confusing.  The monitor page would have 30 tservers, then
5 tservers.  Didn't really see any other negative effects, no migrations and no balancing
appeared to be affected.  Worse case though, I missed something and the master is making decisions
based on incomplete information.
> [~dlmarion@comcast.net] please add more info if needed.



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