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https://issues.apache.org/jira/browse/HBASE-18015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16001174#comment-16001174
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Jerry He commented on HBASE-18015:
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+1
> 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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