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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-959) compactions starving METADATA table scans
Date Thu, 20 Feb 2014 23:21:22 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christopher Tubbs updated ACCUMULO-959:
---------------------------------------

    Fix Version/s:     (was: 1.5.0)

> compactions starving METADATA table scans
> -----------------------------------------
>
>                 Key: ACCUMULO-959
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-959
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>         Environment: large cluster
>            Reporter: Eric Newton
>            Assignee: Keith Turner
>
> A large tablet had many files, and the compaction was taking a long time.  During this
time, it reserved so many readers that the scan of a metadata  tablet on the same host was
starved of readers, causing scans to back up.



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