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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7055) port HBASE-6371 tier-based compaction from 0.89-fb to trunk
Date Thu, 08 Nov 2012 19:14:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493405#comment-13493405
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Sergey Shelukhin commented on HBASE-7055:
-----------------------------------------

I didn't do any targeted testing, just general run on one box (w/ multiple RS-es). Not sure
about the interplay with dynamic config, I'd assume if you mine data for table R/W patterns,
take it offline and apply config once you'd be good for a long time w/better compactions.
Cannot tell how much tweaking is normal w/o running it in production for a long time.
If we make column config specific to columns, maybe it can be refreshed separately from dynamic
config JIRA xml file refresh. I haven't looked at the column config code yet. Will create
separate JIRA when I do, unless someone does earlier.
                
> port HBASE-6371 tier-based compaction from 0.89-fb to trunk
> -----------------------------------------------------------
>
>                 Key: HBASE-7055
>                 URL: https://issues.apache.org/jira/browse/HBASE-7055
>             Project: HBase
>          Issue Type: Task
>          Components: Compaction
>    Affects Versions: 0.96.0
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: 0.96.0
>
>         Attachments: HBASE-6371-squashed.patch, HBASE-6371-v2-squashed.patch, HBASE-6371-v3-refactor-only-squashed.patch,
HBASE-6371-v4-refactor-only-squashed.patch, HBASE-6371-v5-refactor-only-squashed.patch
>
>
> There's divergence in the code :(
> See HBASE-6371 for details.

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