[jira] [Commented] (HBASE-11512) Write region open/close events to WAL

["Jeffrey Zhong (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-11512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14093325#comment-14093325 ] 

Jeffrey Zhong commented on HBASE-11512:
---------------------------------------

I've reviewed the patch. Looks good to me(+1) except a minor thing I posted in RB. Thanks.

> Write region open/close events to WAL
> -------------------------------------
>
>                 Key: HBASE-11512
>                 URL: https://issues.apache.org/jira/browse/HBASE-11512
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>         Attachments: hbase-11512_v1.patch, hbase-11512_v2.patch
>
>
> Similar to writing flush events to WAL (HBASE-11511) and compaction events to WAL (HBASE-2231), we should write region open and close events to WAL. 
> This is especially important for secondary region replicas, since we can use this information to pick up primary regions' files from secondary replicas.
> However, we may need this for regular inter cluster replication as well, see issues HBASE-10343 and HBASE-9465. 
> A design doc for secondary replica replication can be found at HBASE-11183. 



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