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https://issues.apache.org/jira/browse/HBASE-3743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400453#comment-13400453
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Lars George commented on HBASE-3743:
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+1 on a feature like that. We need some script/tool/thread that can run major
compactions based on load and abort if the load goes over a certain threshold.
Once the low load is resumed we can continue where left off. Do this region by
region, with a configurable number, i.e. one per cluster, one per node, and so
on.
We should also add a JMX/API call that returns the compaction status per
server. It should list the various compaction queues, live compactions, their
scope, and region/cf they work on. Maybe put this into the ServerInfo?
> Throttle major compaction
> -------------------------
>
> Key: HBASE-3743
> URL: https://issues.apache.org/jira/browse/HBASE-3743
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Joep Rottinghuis
>
> Add the ability to throttle major compaction.
> For those use cases when a stop-the-world approach is not practical, it is
> useful to be able to throttle the impact that major compaction has on the
> cluster.
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