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https://issues.apache.org/jira/browse/UIMA-2667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Challenger closed UIMA-2667.
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> DUCC Resource Manager defragmentation problem
> ---------------------------------------------
>
> Key: UIMA-2667
> URL: https://issues.apache.org/jira/browse/UIMA-2667
> Project: UIMA
> Issue Type: Bug
> Components: DUCC
> Reporter: Jim Challenger
> Assignee: Jim Challenger
>
> During defrag a collection of candidate "rich" users and "rich" jobs is made,
> which forms a collection of candidate shares to evict to make space for NEEDY
> jobs. There is a case where a "rich" job may be very rich and yet allocated
> entirely on machines unsuitable for any NEEDY job. The bug to fix, is to
> properly identify this situation and remove the unsuitable shares from
> consideration.
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