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From "Guanghao Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-20734) Colocate recovered edits directory with hbase.wal.dir
Date Mon, 04 Mar 2019 08:33:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-20734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guanghao Zhang resolved HBASE-20734.
------------------------------------
    Resolution: Fixed

> Colocate recovered edits directory with hbase.wal.dir
> -----------------------------------------------------
>
>                 Key: HBASE-20734
>                 URL: https://issues.apache.org/jira/browse/HBASE-20734
>             Project: HBase
>          Issue Type: Improvement
>          Components: MTTR, Recovery, wal
>            Reporter: Ted Yu
>            Assignee: Zach York
>            Priority: Major
>             Fix For: 3.0.0, 2.2.0, 2.1.1, 1.4.8, 1.3.3
>
>         Attachments: HBASE-20734.branch-1.001.patch, HBASE-20734.branch-1.002.patch,
HBASE-20734.branch-1.003.patch, HBASE-20734.branch-1.004.patch, HBASE-20734.branch-1.005.patch,
HBASE-20734.master.001.patch, HBASE-20734.master.002.patch, HBASE-20734.master.003.patch,
HBASE-20734.master.004.patch, HBASE-20734.master.005.patch, HBASE-20734.master.006.patch,
HBASE-20734.master.007.patch, HBASE-20734.master.008.patch, HBASE-20734.master.009.patch,
HBASE-20734.master.010.patch, HBASE-20734.master.011.patch, HBASE-20734.master.012.patch
>
>
> During investigation of HBASE-20723, I realized that we wouldn't get the best performance
when hbase.wal.dir is configured to be on different (fast) media than hbase rootdir w.r.t.
recovered edits since recovered edits directory is currently under rootdir.
> Such setup may not result in fast recovery when there is region server failover.
> This issue is to find proper (hopefully backward compatible) way in colocating recovered
edits directory with hbase.wal.dir .



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