Fixed Issues in Apache Hive

Review the list of Hive issues that are resolved in Cloudera Runtime 7.2.12.

CDPD-29425: Backport HIVE-25502: Cleaner causes data loss when processing aborted txn with DP.
This issue is now resolved.
CDPD-26114: Backport HIVE-25113: Connection starvation in TxnHandler.getValidWriteIds.
Fixed a connection pool deadlock problem in TxnHandler, which potentially caused connection requests timeout before. This issue is now resolved.
CDPD-25027: FENG: Exception in Calcite while running smart meter query.
Fix cardinality preserving join optimization when a column is backtracked to a constant. This issue is now resolved.
CDPD-20452: Hive - Upgrade jackson to 2.10.5.1 or 2.11.0+ due to CVE-2020-25649.
This issue is now resolved.

Apache Patch Information

  • HIVE-25502
  • HIVE-25113
  • HIVE-24325
  • HIVE-24816

Technical Service Bulletins

TSB 2021-532: HWC fails to write empty DataFrame to orc files
For the latest update on this issue see the corresponding Knowledge article: TSB 2021-532: HWC fails to write empty DataFrame to orc files