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From "John Vines (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-902) Have a common resource pool for minor and major compactions
Date Thu, 31 Oct 2013 21:31:19 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Vines updated ACCUMULO-902:
--------------------------------

    Fix Version/s:     (was: 1.6.0)

> Have a common resource pool for minor and major compactions
> -----------------------------------------------------------
>
>                 Key: ACCUMULO-902
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-902
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: tserver
>            Reporter: John Vines
>
> Currently we have a defined threadpool for minor and major compactions, independent of
one another. However, there are situations where a system may be minor compaction heavy with
no major, or vice versa. I would like to see a common threadpool which is accessible to both
operations for work to be done, with guarantees for certain resources to be available to the
other type of work. That is, it should be a defined pool size with a (configurable) minimum
of resources maintained for the other to maintain a certain QoS. Of course, major is heavier
than minor, so some weighting of operations needs to be done to keep workloads reasonable.



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