Wenzhe Zhou created IMPALA-13134:
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Summary: 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
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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