Iceberg Integration
- Advanced Snapshot management
- Branches & Tags support
- DML (insert/update/delete/merge)
- COW & MOR modes
- Vectorised Reads & Writes
- Table migration command
- LOAD DATA statements support
- Partition-level operations support
- Improved statistics (column stats support)
- Maintenance (Major compaction)
Hive ACID
- Use sequences for TXN_ID generation (performance)
- Read-only transactions optimization
- Zero-wait readers
- Optimistic and Pessimistic concurrency control
- Lockless reads
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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
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