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https://issues.apache.org/jira/browse/IMPALA-13134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenzhe Zhou resolved IMPALA-13134.
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Fix Version/s: Impala 4.5.0
Resolution: Fixed
> DDL hang with SYNC_DDL enabled when Catalogd is changed to standby status
> -------------------------------------------------------------------------
>
> Key: IMPALA-13134
> URL: https://issues.apache.org/jira/browse/IMPALA-13134
> Project: IMPALA
> Issue Type: Bug
> Components: Backend, Catalog
> Reporter: Wenzhe Zhou
> Assignee: Wenzhe Zhou
> Priority: Major
> Fix For: Impala 4.5.0
>
>
> Catalogd waits for SYNC_DDL version when it processes a DDL with SYNC_DDL
> enabled. If the status of Catalogd is changed from active to standby when
> CatalogServiceCatalog.waitForSyncDdlVersion() is called, the standby catalogd
> does not receive catalog topic updates from statestore. This causes catalogd
> thread waits indefinitely and DDL query hanging.
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