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Posted to issues-all@impala.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2019/06/18 20:54:00 UTC

[jira] [Created] (IMPALA-8675) Remove db/table count metrics from impalad in LocalCatalog mode

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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