Wenzhe Zhou created IMPALA-12305:
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Summary: Impala server hanging when processing DDL if CatalogD HA
is enabled
Key: IMPALA-12305
URL: https://issues.apache.org/jira/browse/IMPALA-12305
Project: IMPALA
Issue Type: Bug
Components: Backend, Frontend
Affects Versions: Impala 4.3.0
Reporter: Wenzhe Zhou
Assignee: Wenzhe Zhou
Fix For: Impala 4.3.0
In IMPALA-12286, catalogd re-generate its Catalog Service ID in JniCatalog when
it becomes active. But CatalogServiceCatalog is not updated when new Catalog
Service ID is generated. This causes coordinator hanging when processing DDLs.
In CatalogServer class, member variable is_active_ is not protected by mutex
catalog_lock_, and pending_topic_updates_ is not cleared when the catalogd
becomes active. It's possible catalog server sends pending catalog topic
updates with old Catalog Service ID then sends catalog topic updates with new
Catalog Service ID.
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