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https://issues.apache.org/jira/browse/TAJO-1376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-1376:
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Summary: Add black list feature for unhealthy nodes (was: Add black list
for unhealthy nodes)
> Add black list feature for unhealthy nodes
> ------------------------------------------
>
> Key: TAJO-1376
> URL: https://issues.apache.org/jira/browse/TAJO-1376
> Project: Tajo
> Issue Type: Improvement
> Components: resource manager, tajo master
> Reporter: Hyunsik Choi
> Fix For: 0.11
>
>
> Unhealthy nodes are usual In large clusters.
> There are some unhealthy cases as follows:
> * there is no enough storage capacity.
> * frequent task errors or failures in certain nodes
> * other reasons reported by workers
> TajoMaster and ResourceTracker should keep those nodes in the black list, and
> than resource allocations of TesourceTracker should consider the black list.
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