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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-3407) scan page in monitor is causing the monitor to crash w/OOM
Date Fri, 12 Dec 2014 20:29:13 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-3407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Newton resolved ACCUMULO-3407.
-----------------------------------
    Resolution: Fixed

> scan page in monitor is causing the monitor to crash w/OOM
> ----------------------------------------------------------
>
>                 Key: ACCUMULO-3407
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3407
>             Project: Accumulo
>          Issue Type: Bug
>          Components: monitor
>    Affects Versions: 1.6.1
>         Environment: very large production cluster
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>             Fix For: 1.6.2, 1.7.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The monitor is now collecting information about scans. This will include any scan-time
arguments passed to the scan, but this information is not displayed.  It continues to use
up memory, and when there are several thousand scans, and each has a megabyte of arguments,
it can cause a reasonably sized monitor to OOM.  Should also double-check that the monitor
is cleaning up references with each refresh.
> It was unexpected that users would pass a megabyte of options to their queries.



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