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From "Jim Challenger (JIRA)" <...@uima.apache.org>
Subject [jira] [Closed] (UIMA-3939) DUCC RM: share count goes negative
Date Mon, 21 Jul 2014 16:36:39 GMT

     [ https://issues.apache.org/jira/browse/UIMA-3939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jim Challenger closed UIMA-3939.
--------------------------------

    Resolution: Fixed

> DUCC RM: share count goes negative
> ----------------------------------
>
>                 Key: UIMA-3939
>                 URL: https://issues.apache.org/jira/browse/UIMA-3939
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>    Affects Versions: 1.0.0-Ducc
>            Reporter: Jim Challenger
>            Assignee: Jim Challenger
>             Fix For: 1.1.0-Ducc
>
>
> When a node leaves because of ping timeout and then returns, the total share count isn't
being adjusted correctly on return.  This causes more subtractions than additions and the
share count falls negative, rendering the cluster unschedulable.
> Fix is in NodePool.nodearrive(), be sure to alwasys increment shares in all cases of
a node returning.



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