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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-3867) Monitor updates lastRecalc value in an unsafe manner
Date Fri, 29 May 2015 01:30:17 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-3867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Elser resolved ACCUMULO-3867.
----------------------------------
    Resolution: Fixed

> Monitor updates lastRecalc value in an unsafe manner
> ----------------------------------------------------
>
>                 Key: ACCUMULO-3867
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3867
>             Project: Accumulo
>          Issue Type: Bug
>          Components: monitor
>    Affects Versions: 1.7.0
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Trivial
>              Labels: coverity
>             Fix For: 1.7.1, 1.8.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Monitor.fetchData does the following at the end of the method
> {code}
>     } finally {
>       synchronized (Monitor.class) {
>         fetching = false;
>         lastRecalc.set(currentTime);
>       }
>     }
> {code}
> {{lastRecalc}} is a {{static long}} which is not guaranteed to be accurate across threads.



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