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https://issues.apache.org/jira/browse/HBASE-11861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14310776#comment-14310776
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Jonathan Hsieh commented on HBASE-11861:
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We're on a branch and I'd like to start focusing merging trunk in and on
testing. We'll likely find problems but it is easier when the big patches
are in. (Follow up patches are smaller)
On Friday, February 6, 2015, ramkrishna.s.vasudevan (JIRA) <[email protected]>
--
// Jonathan Hsieh (shay)
// HBase Tech Lead, Software Engineer, Cloudera
// [email protected] // @jmhsieh
> 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
> Assignee: Jingcheng Du
> Fix For: hbase-11339
>
> Attachments: 141030-mob-compaction.pdf, HBASE-11861-V1.diff,
> HBASE-11861-V2.diff, HBASE-11861-V3.diff, HBASE-11861-V4.diff,
> HBASE-11861-V5.diff, HBASE-11861-V6.diff, HBASE-11861.diff, 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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