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https://issues.apache.org/jira/browse/IMPALA-11535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765774#comment-17765774
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ASF subversion and git services commented on IMPALA-11535:
----------------------------------------------------------
Commit 188c2d6379d0dc3f6fddcd307dcfa875fe754353 in impala's branch
refs/heads/branch-4.3.0 from Sai Hemanth Gantasala
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=188c2d637 ]
IMPALA-12416: Fix test failures caused by
IMPALA-11535
Fixed the test failures in Java unit tests caused by incorrectly
setting the config 'enable_sync_to_latest_event_on_ddls' to true. This
flag has to be reset to its original value at the end of the test since
BackendConfig.INSTANCE is shared by all the FE tests. Also, increased
the hms polling interval to 10sec for the test_skipping_older_events()
end-to-end test to avoid flakiness.
Change-Id: I4930933dca849496bfbe475c8efc960d15fa57a8
Reviewed-on: http://gerrit.cloudera.org:8080/20454
Reviewed-by: Quanlong Huang <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Skip events happen before manual REFRESH
> ----------------------------------------
>
> Key: IMPALA-11535
> URL: https://issues.apache.org/jira/browse/IMPALA-11535
> Project: IMPALA
> Issue Type: Improvement
> Reporter: Quanlong Huang
> Assignee: Sai Hemanth Gantasala
> Priority: Critical
> Fix For: Impala 4.3.0
>
>
> If the table has been manually refreshed, all its events happen before the
> manual REFRESH can be skipped.
>
> This happens when catalogd is lagging behind in processing events. When
> processing an event, we can check whether there are manual REFRESH executed
> after its eventTime. In such case, we don't need to process the event to
> refresh anything. This helps catalogd to catch up HMS events quickly.
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