Quanlong Huang created IMPALA-12152:
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Summary: Add query option to wait for events sync up
Key: IMPALA-12152
URL: https://issues.apache.org/jira/browse/IMPALA-12152
Project: IMPALA
Issue Type: New Feature
Components: Catalog
Reporter: Quanlong Huang
Assignee: Quanlong Huang
Event-processor is designed to get rid of manual RT/IM (RefreshTable /
InvalidateMetadata) commands that sync up with external HMS modifications.
However, event processing could be delayed. Queries might still see stale
metadata if the event-processor is lagging behind. We should provide a
mechanism to let query planning wait until the metadata is synced up. Users can
turn it on for sensitive queries that depend on external modifications.
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