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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7236) add per-table/per-cf compaction configuration via metadata
Date Thu, 29 Nov 2012 18:22:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506644#comment-13506644
] 

Sergey Shelukhin commented on HBASE-7236:
-----------------------------------------

Yes; the main difference is that default compaction config can have several parameters, and
tiered compaction selection can have up to 20 (several parameters x few tier); this will make
metadata hard to manage. So it might make sense to make it nested in some form.

                
> add per-table/per-cf compaction configuration via metadata
> ----------------------------------------------------------
>
>                 Key: HBASE-7236
>                 URL: https://issues.apache.org/jira/browse/HBASE-7236
>             Project: HBase
>          Issue Type: New Feature
>          Components: Compaction
>    Affects Versions: 0.96.0
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>
> Regardless of the compaction policy, it makes sense to have separate configuration for
compactions for different tables and column families, as their access patterns and workloads
can be different. In particular, for tiered compactions that are being ported from 0.89-fb
branch it is necessary to have, to use it properly.
> We might want to add support for compaction configuration via metadata on table/cf.

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