Sai Hemanth Gantasala created IMPALA-12646:
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Summary: Add a new metric in CatalogD web UI metrics page for
avg-process-time for dropped events
Key: IMPALA-12646
URL: https://issues.apache.org/jira/browse/IMPALA-12646
Project: IMPALA
Issue Type: Task
Components: Catalog
Reporter: Sai Hemanth Gantasala
Assignee: Sai Hemanth Gantasala
Since dropped database/table events doesn't exist in cache, currently we don't
show the process time for drop operation in the metrics page of web UI.
It would be great to add to new metric such as 'avg-process-time' for all the
drop database/table events so that admins can monitor this metric to see if
drop operations are slow.
Generally, a drop should be fast, but it takes metastoreDdlLock_, which can
block on HMS RPCs. So, it would be ideal to observe this operation in the web
UI.
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