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https://issues.apache.org/jira/browse/TEZ-1032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028634#comment-14028634
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Hitesh Shah commented on TEZ-1032:
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[~bikassaha] Yes - it is pretty much a way of appending some options to a set
of tasks and is completely driven off configuration. The jira mentions
profiling but it could be used to drive addition of any kind of command line
options.
> Allow specifying tasks/vertices to be profiled
> ----------------------------------------------
>
> Key: TEZ-1032
> URL: https://issues.apache.org/jira/browse/TEZ-1032
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Sergey Shelukhin
> Assignee: Rajesh Balamohan
> Fix For: 0.5.0
>
> Attachments: TEZ-1032-v1.patch, TEZ-1032-v10.patch,
> TEZ-1032-v12.patch, TEZ-1032-v4.patch, TEZ-1032-v5.patch, TEZ-1032-v6.patch,
> TEZ-1032-v8.patch, TEZ-1032-v9.patch, TEZ-1032.13.patch
>
>
> Specifying container numbers (via tez.profile.container.list) is not very
> useful... it would be nice to be able to specify particular stage (e.g. "Map
> 6") to profile.
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