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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11511) Write flush events to WAL
Date Tue, 15 Jul 2014 00:48:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061485#comment-14061485
] 

Hadoop QA commented on HBASE-11511:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12655645/hbase-11511_v3.patch
  against trunk revision .
  ATTACHMENT ID: 12655645

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 6 new or modified
tests.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/10062//console

This message is automatically generated.

> 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
>
>
> 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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