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https://issues.apache.org/jira/browse/IMPALA-12152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang updated IMPALA-12152:
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Issue Type: Bug (was: New Feature)
Summary: Missing mechanism to wait for HMS events sync up (was: Add
query option to wait for events sync up)
> Missing mechanism to wait for HMS events sync up
> ------------------------------------------------
>
> Key: IMPALA-12152
> URL: https://issues.apache.org/jira/browse/IMPALA-12152
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Critical
> Labels: catalog-2024
> Fix For: Impala 5.0.0
>
>
> 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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