Todd Lipcon created IMPALA-8675:
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Summary: Remove db/table count metrics from impalad in
LocalCatalog mode
Key: IMPALA-8675
URL: https://issues.apache.org/jira/browse/IMPALA-8675
Project: IMPALA
Issue Type: Improvement
Components: Catalog
Reporter: Todd Lipcon
In LocalCatalog there is no need for every coordinator to have the full list of
tables of every database. But, getCatalogMetrics ends up iterating over every
DB and fetching these lists in order to provide a count. The count isn't
particularly relevant -- if someone wants to keep track of the size of their
catalog they are better off looking at that metric from catalogd. We should
remove these catalog metrics.
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