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https://issues.apache.org/jira/browse/UIMA-4142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Challenger closed UIMA-4142.
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Resolution: Fixed
> DUCC RM Dynamic nodepool updates
> --------------------------------
>
> Key: UIMA-4142
> URL: https://issues.apache.org/jira/browse/UIMA-4142
> Project: UIMA
> Issue Type: Improvement
> Components: DUCC
> Affects Versions: 1.1.0-Ducc
> Reporter: Jim Challenger
> Assignee: Jim Challenger
> Fix For: 2.0.0-Ducc
>
>
> We need the ability to dynanically change nodepool definitions without
> restarting RM (or DUCC). Currently we can dynamically add and subtract hosts
> without restarting but on add, if the host is not defined to a nodepool at
> the time of last start, it goes into the "global" pool, which is often wrong.
> Tasks:
> - API/CLI to add / delete / rearrange a host in RM's current memory
> nodepool structures
> - sanity-checking and hot-repair so hot RM restart works correctly if
> nodepools are statically changed, RM is restarted, and the new configuration
> conflicts with the older one
> - API/CLI to insure the nodepool files are kept consistent with the memory
> updates.
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