[jira] [Updated] (ACCUMULO-4615) ThreadPool timeout when checking tserver stats is confusing

["Christopher Tubbs (JIRA)" <ji...@apache.org>]

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

Christopher Tubbs updated ACCUMULO-4615:
----------------------------------------
    Fix Version/s: 2.0.0
                   1.8.2

> 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
>            Priority: Minor
>             Fix For: 1.8.2, 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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