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https://issues.apache.org/jira/browse/TAJO-1698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-1698:
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Assignee: (was: Hyunsik Choi)
> QM should collect Task metrics
> ------------------------------
>
> Key: TAJO-1698
> URL: https://issues.apache.org/jira/browse/TAJO-1698
> Project: Tajo
> Issue Type: Sub-task
> Components: Metrics, QueryMaster
> Reporter: Hyunsik Choi
> Fix For: 0.12.0
>
>
> Each task can collect various metrics, like input data volume, output data
> volume, shuffle data volume, and so on. In this issue, I'll add Task metrics
> and improve QM to collect Task metrics and keep aggregated values of all task
> metrics. Then, I'll improve TajoMaster to keep the final aggregated metrics
> for each query.
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