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https://issues.apache.org/jira/browse/IMPALA-11822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17698735#comment-17698735
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Sai Hemanth Gantasala commented on IMPALA-11822:
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Thanks for the review [~stigahuang]. The patch has been merged into the master.
> 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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