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https://issues.apache.org/jira/browse/IMPALA-13650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17911737#comment-17911737
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Quanlong Huang commented on IMPALA-13650:
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CC [~VenuReddy] who recently also found some issues of inflight events.
> Inflight events may be incorrectly modified in Alter table event
> ----------------------------------------------------------------
>
> Key: IMPALA-13650
> URL: https://issues.apache.org/jira/browse/IMPALA-13650
> Project: IMPALA
> Issue Type: Improvement
> Components: Catalog
> Reporter: Sai Hemanth Gantasala
> Assignee: Sai Hemanth Gantasala
> Priority: Major
>
> This Jira originated from this review comment:
> [https://gerrit.cloudera.org/c/21663/6/fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java#1825]
> The idea is to clean up dangling self-event-related table properties by
> adding GC for InFlightEvents. When we witness an event ID or catalog version
> from an event on the table, we remove all eventIds/versions lower than that
> since they are stale.
> Need to identify if there more places where inflight events list incorrectly
> identified.
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