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Date: Mon, 14 Jul 2014 21:50:05 +0000 (UTC)
From: "Enis Soztutar (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12727138.1405361683882.39418.1405374605308@arcas>
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Subject: [jira] [Updated] (HBASE-11511) Write flush events to WAL
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     [ https://issues.apache.org/jira/browse/HBASE-11511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Enis Soztutar updated HBASE-11511:
----------------------------------

    Status: Patch Available  (was: Open)

> Write flush events to WAL
> -------------------------
>
>                 Key: HBASE-11511
>                 URL: https://issues.apache.org/jira/browse/HBASE-11511
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>         Attachments: hbase-11511_v1.patch, hbase-11511_v1.patch, hbase-11511_v2.patch
>
>
> We used to write COMPLETE_FLUSH event to WAL until it got removed in 0.96 in issue HBASE-7329. 
> For secondary region replicas, it is important to share the data files with the primary region. So we should reintroduce the flush wal markers so that the secondary region replicas can pick up the newly flushed files from the WAL and start serving data from those. 
> A design doc which explains the context a bit better can be found in HBASE-11183. 


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