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From "Jingcheng Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13012) Add a shell to trigger the mob file compactor by commands
Date Tue, 17 Feb 2015 03:31:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14323609#comment-14323609

Jingcheng Du commented on HBASE-13012:

In the mob file compaction, we have two types of compactions, ALL_FILES and PART_FILES. ALL_FILES
means all the mob files are selected in the compaction, after that the del files are archived,
and the mob files are merged into one (or more than one if number of the mob files is larger
than the batch).
I am thinking to add a max file size that could not be selected by the mob file compaction
( just like the store file compaction), we could set the default value as Long.MAX_VALUE.
Jiajia will continue improving/uploading the patch after the lunar new year vacation.

> Add a shell to trigger the mob file compactor by commands
> ---------------------------------------------------------
>                 Key: HBASE-13012
>                 URL: https://issues.apache.org/jira/browse/HBASE-13012
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>            Reporter: Jingcheng Du
>            Assignee: Jiajia Li
>             Fix For: hbase-11339
>         Attachments: hbase-13012-V1.patch, hbase-13012-V2.diff, hbase-13012-V3.diff,
> Currently the MobFileCompactor is run by HMaster periodically, we need to add a shell
to trigger the compactor by commands.

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