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https://issues.apache.org/jira/browse/MAPREDUCE-2141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12922420#action_12922420
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Matei Zaharia commented on MAPREDUCE-2141:
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Thanks for the comments, Owen and Arun. We actually plan to submit Mesos to the
Apache incubator soon, so maybe it will become Apache software eventually! I'll
get back to you with an updated patch.
> Add an "extra data" field to Task for use by Mesos
> --------------------------------------------------
>
> Key: MAPREDUCE-2141
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2141
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Matei Zaharia
> Assignee: Matei Zaharia
> Priority: Minor
> Attachments: mapreduce-2141-v1.patch
>
>
> In order to support running Hadoop on the Mesos cluster manager
> (http://mesos.berkeley.edu/), I'd like to add an extra String field to the
> Task class to allow extra data (a Mesos task ID) to be associated with each
> task. This should have no impact on normal operation other than making the
> serialized form of Task a few bytes longer. In the Mesos support patch for
> Hadoop, this field is set by a pluggable Hadoop scheduler implementation to
> allow code on the TaskTracker side to see which Mesos task corresponds to
> each Hadoop task.
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