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https://issues.apache.org/jira/browse/TEZ-1032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14016009#comment-14016009
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Hitesh Shah commented on TEZ-1032:
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[~rajesh.balamohan] I guess we could rephrase this to a question that if a user
does not use__VERTEX_NAME__ and __TASK_ID__ in the profile opts, what is the
behavior? Should we just say that if a user would like to ensure that each task
is profiled separately, that they add these into the profile opts? If the
placeholders are not used, the container may be re-used which may or may not be
useful.
> 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
> Attachments: TEZ-1032-v1.patch, TEZ-1032-v4.patch, TEZ-1032-v5.patch,
> TEZ-1032-v6.patch, TEZ-1032-v8.patch, TEZ-1032-v9.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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