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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-4782) With many threads scanning seeing lock contention on SessionManager
Date Thu, 15 Feb 2018 16:07:00 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-4782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Turner resolved ACCUMULO-4782.
------------------------------------
    Resolution: Fixed

> With many threads scanning seeing lock contention on SessionManager
> -------------------------------------------------------------------
>
>                 Key: ACCUMULO-4782
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4782
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.7.3, 1.8.1
>            Reporter: Keith Turner
>            Assignee: Keith Turner
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.9.0, 2.0.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> While profiling many threads doing small scans against accumulo, lock contention on the
tablet servers SessionManager was high.



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