Zach York commented on HBASE-20734:

Thanks for reviewing [~yuzhih...@gmail.com]. I am trying to rebase on master, 
but there are a ton of conflicts. I'll hopefully get a new patch up for that 
early next week as I will likely have to redo a lot of the changes on top of 
the master branch. I'll also toss it in review board.

> 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
>         Attachments: HBASE-20734.branch-1.001.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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