Quanlong Huang created IMPALA-12325:
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Summary: Query log with query level metrics
Key: IMPALA-12325
URL: https://issues.apache.org/jira/browse/IMPALA-12325
Project: IMPALA
Issue Type: New Feature
Components: Backend
Reporter: Quanlong Huang
Coordinators will dump query profiles to local disk in the log folder
(configured by startup flag --profile_log_dir). However, it's inconvenient to
parse the profiles for metric collector tools. It'd be useful if coordinators
also dump a query log with query id, query string and some query level metrics,
including all we show in the /queries WebUI, and some more useful metrics in
the profile, e.g.
* number of hosts
* number of fragment instances
* ClientFetchWaitTimer
* Total/Avg of NetworkReceiveTime
* Total/Avg of NetworkSendTime
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