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https://issues.apache.org/jira/browse/ACCUMULO-3999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Newton resolved ACCUMULO-3999.
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Resolution: Fixed
> monitor status collection should be done in parallel
> ----------------------------------------------------
>
> Key: ACCUMULO-3999
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3999
> Project: Accumulo
> Issue Type: Improvement
> Components: master
> Environment: very large cluster
> Reporter: Eric Newton
> Assignee: Eric Newton
> Fix For: 1.8.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The master collects statistics every few seconds from all the tservers so
> that it has up-to-date statistics to hand to the balancer. It does this one
> server at a time. On a very large cluster, the status collection can take a
> long time, causing the monitor to show "blocky" statistics in the graphs, and
> long "last contact" times in the tablet server lists.
> A small thread pool could be used to speed up this simple work.
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