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Compaction
- Rebalance compaction (Hive ACID)
- Compaction requests prioritization (compaction pooling)
- Iceberg compaction (Major)
Hive Metastore
- API optimization (performance)
- Dynamic leader election
- HMS support for Thrift over HTTP
- JWT authentication for Thrift over HTTP
- HMS metadata summary
HiveServer2
- Support SAML 2.0/JWT authentication mode
- Support both Kerberos and LDAP auth methods in parallel
- Graceful shutdown
- Easy access to the operation log through web UI
Hive Replication
- Optimised Bootstrap Solution
- Support for Snapshot Based Replication for External Table
- Better Replication Tracking Metrics
- Support for Checkpointing during Replication
Security
- Authorizations in alter table/view, UDFs, and Views created from Apache Spark.
- Authorizations on tables created based on storage handlers.
- Critical CVE fixes of transitive dependencies.
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