[jira] [Commented] (HBASE-24628) Normalizer needs a throttle

["Nick Dimiduk (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-24628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17201809#comment-17201809 ] 

Nick Dimiduk commented on HBASE-24628:
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Posted up a PR, a sketch of what I have in mind. Actually, it's fairly complete. I'd like this to be considered for 3.0 and 2.4.

> Normalizer needs a throttle
> ---------------------------
>
>                 Key: HBASE-24628
>                 URL: https://issues.apache.org/jira/browse/HBASE-24628
>             Project: HBase
>          Issue Type: Improvement
>          Components: Normalizer
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>            Priority: Major
>
> There's no limits on the normalizer right now. It will iterate through the tables one at a time until it's touched all tables. For any table, it generates a complete plan and executes that plan in totality.
> It would be nice to allow operators to configure some limits here. Off the top of my head, the two metrics that might be interesting are {{split|merge actions / hour}} or {{hfile mb volume / hour}}. Either way, we'd need to track a little more metadata.



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