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https://issues.apache.org/jira/browse/HBASE-20734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16514190#comment-16514190
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Zach York commented on HBASE-20734:
-----------------------------------
I looked into the code for this and the challenge is that Region has no concept
of walFS and the regionDir is determined from the HRegionFileSystem... I'll
continue to look into how we can do this. Hopefully without changing the Region
contract.
> 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
> Priority: Major
>
> 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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