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Posted to issues-all@impala.apache.org by "Michael Smith (Jira)" <ji...@apache.org> on 2023/03/16 17:10:00 UTC
[jira] [Reopened] (IMPALA-11822) Optimize the Refresh/Invalidate event processing by skipping unnecessary events
[ https://issues.apache.org/jira/browse/IMPALA-11822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Smith reopened IMPALA-11822:
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> Optimize the Refresh/Invalidate event processing by skipping unnecessary events
> -------------------------------------------------------------------------------
>
> Key: IMPALA-11822
> URL: https://issues.apache.org/jira/browse/IMPALA-11822
> Project: IMPALA
> Issue Type: Improvement
> Components: Catalog
> Reporter: Sai Hemanth Gantasala
> Assignee: Sai Hemanth Gantasala
> Priority: Critical
>
> Optimize the Refresh/Invalidate event processing by skipping unnecessary events.
> Currently, we process every event as a new event. Consider there are 5 refresh events of the same table in the event processor queue. We can process the first refresh event and skip the remaining 4 events by comparing the timestamp of the refreshed table and event time. This way we can greatly improve the performance by skipping unnecessary events.
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