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https://issues.apache.org/jira/browse/HBASE-11511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Enis Soztutar updated HBASE-11511:
----------------------------------

    Attachment: hbase-11511_v4.patch

Attaching the final version that has been committed. Minor rebase. 

> 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
>             Fix For: 0.99.0, 2.0.0
>
>         Attachments: hbase-11511_v1.patch, hbase-11511_v1.patch, 
> hbase-11511_v2.patch, hbase-11511_v3.patch, hbase-11511_v4.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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