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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11512) Write region open/close events to WAL
Date Tue, 15 Jul 2014 21:55:06 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Enis Soztutar updated HBASE-11512:

    Attachment: hbase-11512_v1.patch

Attaching a patch in the same line as HBASE-11511. Both region open and region close events
are persisted to WAL. 

> 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
> 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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