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https://issues.apache.org/jira/browse/TEZ-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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László Bodor updated TEZ-4510:
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Description: We need to improve on counters that can help to decide what
went wrong in case of performance degradation. Such counters are not
necessarily and always helpful for a single instance of a query/dag, but
instead when comparing different runs of the same query/dag.
> Performance counters
> --------------------
>
> Key: TEZ-4510
> URL: https://issues.apache.org/jira/browse/TEZ-4510
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: László Bodor
> Priority: Major
>
> We need to improve on counters that can help to decide what went wrong in
> case of performance degradation. Such counters are not necessarily and always
> helpful for a single instance of a query/dag, but instead when comparing
> different runs of the same query/dag.
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