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https://issues.apache.org/jira/browse/HADOOP-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12630234#action_12630234
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Amar Kamat commented on HADOOP-3245:
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I have manually tested the patch w.r.t counter recovery and update. Some
counters are recovered using HADOOP-3970 while some are dynamically updated
based on replay of events (job level counters like DATA_LOCALITY etc). Have
manually checked and found the counters upon restart are very similar to the
ones before the restart.
> Provide ability to persist running jobs (extend HADOOP-1876)
> ------------------------------------------------------------
>
> Key: HADOOP-3245
> URL: https://issues.apache.org/jira/browse/HADOOP-3245
> Project: Hadoop Core
> Issue Type: New Feature
> Components: mapred
> Reporter: Devaraj Das
> Assignee: Amar Kamat
> Attachments: HADOOP-3245-v2.5.patch, HADOOP-3245-v2.6.5.patch,
> HADOOP-3245-v2.6.9.patch, HADOOP-3245-v4.1.patch, HADOOP-3245-v5.13.patch,
> HADOOP-3245-v5.14.patch, HADOOP-3245-v5.26.patch,
> HADOOP-3245-v5.30-nolog.patch, HADOOP-3245-v5.31.3-nolog.patch,
> HADOOP-3245-v5.33.1.patch, HADOOP-3245-v5.35.3-no-log.patch,
> HADOOP-3245-v5.36-no-log.patch
>
>
> This could probably extend the work done in HADOOP-1876. This feature can be
> applied for things like jobs being able to survive jobtracker restarts.
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