PolarDB:2025

Description

References

Added support for the pg_stat_kcache, ip4r, decoderbufs, and sequential_uuid extensions.

• pg_profile (resource monitoring)

• ip4r (network address storage)

• decoderbufs (Protobuf decoding)

• sequential_uuid (UUID generation)

Description

Resolved a performance issue caused by the pldebugger (stored procedure debugging) extension when loaded by default in specific PL/pgSQL scenarios.

Optimized the execution performance of the pg_total_relation_size function.

Optimized the asynchronous lock replay performance during physical replication.

Description

Fixed an issue where the console incorrectly displayed non-modifiable parameters.

Fixed a memory leak caused by the improper release of SMgrRelation objects.

Fixed a potential database crash in Serverless clusters during elastic scaling. This crash occurred because the parallel cache refresh mechanism used an incorrect cache ID.

Fixed an issue where some monitoring metrics were missing because the polar_monitor_preload library was not included in the shared_preload_libraries parameter.

Fixed continuous growth in slab memory usage during the replay of two-phase commit transactions.

Description

References

Introduced compatibility with community PostgreSQL 15.12.

PostgreSQL 15.12

Upgraded the GanosBase spatio-temporal database to version 7.4.

Release notes for the spatio-temporal database

Added support for the polar_advisor extension, which enables garbage collection during a maintenance window.

Garbage collection during off-peak hours

Added support for the age, wal2json, and mysql_fdw extensions.

• Graph Database

• wal2json (decoding to JSON)

• mysql_fdw

Updated the vector extension to version 0.8.0 to support iterative scanning of vector indexes.

Vector database

Description

Improved index creation performance by adding support for the bulkwrite mode.

Enabled the function-adaptive allowlist by default to improve cluster endpoint load balancing.