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From "Jingcheng Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11861) Native MOB Compaction mechanisms.
Date Wed, 17 Dec 2014 05:28:13 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jingcheng Du updated HBASE-11861:
---------------------------------
    Attachment: mob compaction-out-of-region.pdf

The high level design for the mob compaction out-of-regions, and the cons and pros are listed
in the document as well.

> Native MOB Compaction mechanisms.
> ---------------------------------
>
>                 Key: HBASE-11861
>                 URL: https://issues.apache.org/jira/browse/HBASE-11861
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>    Affects Versions: 2.0.0
>            Reporter: Jonathan Hsieh
>         Attachments: 141030-mob-compaction.pdf, mob compaction-out-of-region.pdf, mob
compaction.pdf
>
>
> Currently, the first cut of mob will have external processes to age off old mob data
(the ttl cleaner), and to compact away deleted or over written data (the sweep tool).  
> From an operational point of view, having two external tools, especially one that relies
on MapReduce is undesirable.  In this issue we'll tackle integrating these into hbase without
requiring external processes.



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