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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:
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Attachment: hbase-11511_addendum.patch
Newly added test sometimes fails flakily. Although I could not reproduce it
locally, I think it is because of a fs list ordering issue. Will commit the
addendum shortly. Let's see whether this solves the issue.
Example trace:
https://builds.apache.org/job/hbase-trunk/5308/testReport/junit/org.apache.hadoop.hbase.regionserver/TestHRegionBusyWait/testFlushMarkers/
> 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_addendum.patch, 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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