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https://issues.apache.org/jira/browse/TEZ-2923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15003234#comment-15003234
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Hitesh Shah commented on TEZ-2923:
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Will let Sreenath cover the UI aspects of the review.
For the AM changes, shouldn't the DAG::getCachedCounters() be using
Vertex::getCachedCounters() instead of scanning all tasks?
> Tez Live UI counters view empty for vertices, tasks, attempts
> -------------------------------------------------------------
>
> Key: TEZ-2923
> URL: https://issues.apache.org/jira/browse/TEZ-2923
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jonathan Eagles
> Assignee: Jonathan Eagles
> Attachments: TEZ-2293.1.patch, TEZ-2923.2.patch, TEZ-2923.3.patch,
> TEZ-2923.4.patch, TEZ-2923.5.patch
>
>
> Vertex Counters, Task Counters, and TaskAttempt Counters views are blank
> during the live tez AM view. This is due to the nature of the request sent by
> the Tez UI to the Tez AM rest api. The api only accepts a list of counter
> groups or counter names, since the groups and names are unknown at the time
> of the request, there is no away to ask for counters by name. This jira
> proposes to allow for a "*" to the rest api to request all counters to be
> returned.
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