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https://issues.apache.org/jira/browse/HBASE-5604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13253881#comment-13253881
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Hudson commented on HBASE-5604:
-------------------------------
Integrated in HBase-TRUNK #2757 (See
[https://builds.apache.org/job/HBase-TRUNK/2757/])
HBASE-5604 Addendum. Remove test as per discussion on jira. (Revision
1326002)
Result = FAILURE
larsh :
Files :
*
/hbase/trunk/src/test/java/org/apache/hadoop/hbase/mapreduce/TestWALPlayer.java
> M/R tool to replay WAL files
> ----------------------------
>
> Key: HBASE-5604
> URL: https://issues.apache.org/jira/browse/HBASE-5604
> Project: HBase
> Issue Type: New Feature
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Fix For: 0.94.0, 0.96.0
>
> Attachments: 5604-v10.txt, 5604-v11.txt, 5604-v4.txt, 5604-v6.txt,
> 5604-v7.txt, 5604-v8.txt, 5604-v9.txt, HLog-5604-v3.txt
>
>
> Just an idea I had. Might be useful for restore of a backup using the HLogs.
> This could an M/R (with a mapper per HLog file).
> The tool would get a timerange and a (set of) table(s). We'd pick the right
> HLogs based on time before the M/R job is started and then have a mapper per
> HLog file.
> The mapper would then go through the HLog, filter all WALEdits that didn't
> fit into the time range or are not any of the tables and then uses
> HFileOutputFormat to generate HFiles.
> Would need to indicate the splits we want, probably from a live table.
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