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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18015) Storage class aware block placement for procedure v2 WALs
Date Mon, 08 May 2017 17:43:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16001179#comment-16001179
] 

Ted Yu commented on HBASE-18015:
--------------------------------

lgtm

> Storage class aware block placement for procedure v2 WALs
> ---------------------------------------------------------
>
>                 Key: HBASE-18015
>                 URL: https://issues.apache.org/jira/browse/HBASE-18015
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>         Attachments: HBASE-18015.patch
>
>
> After HBASE-14061, HBASE-15172, and HBASE-17538, we can specify storage class placement
policies for store files and WAL files. However, we missed procedure v2 WALs aka "MasterProcWAL",
opened and updated by the master. We should apply the same storage policy for procv2 WALs
as we do for regionserver WALs, specified by the HConstants.WAL_STORAGE_POLICY configuration
key, using HConstants.DEFAULT_WAL_STORAGE_POLICY as default. 



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