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https://issues.apache.org/jira/browse/MAPREDUCE-6434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14707130#comment-14707130
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Chris Douglas commented on MAPREDUCE-6434:
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Offhand, I'd guess adding
{{TaskType.REDUCE.equals(context.getTaskAttemptID().getTaskType())}} to the
expression would prevent it from affecting more than reducers, but I haven't
looked into it. Could you test with a map-only job, where
{{context.getReducerClass()}} is undefined or not on the classpath?
> Add support for PartialFileOutputCommiter when checkpointing is an option
> during preemption
> -------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6434
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6434
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Augusto Souza
> Assignee: Augusto Souza
> Attachments: MAPREDUCE-6434.001.patch, MAPREDUCE-6434.002.patch,
> MAPREDUCE-6434.003.patch, MAPREDUCE-6434.004.patch, MAPREDUCE-6434.005.patch
>
>
> Finish up some renaming work related to the annotation @Preemptable (it
> should be @Checkpointable now) and help in the splitting of patch in
> MAPREDUCE-5269 that is too large for being reviewed or accepted by Jenkins CI
> scripts.
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