PolarDB:2025

Description

References

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

• pg_profile (resource monitoring)

• ip4r (network address storage)

• decoderbufs (decoding to ProtoBuf)

• sequential_uuid (UUID generation)

Description

Reduces the performance overhead of the pldebugger (for debugging stored procedures) extension when it is loaded by default in specific PL/pgSQL scenarios.

Improves the execution performance of the pg_total_relation_size function.

Improves the asynchronous lock replay performance during physical replication.

Description

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

Fixed a memory leak where SMgrRelation objects were not properly released.

Fixed a potential database crash on a Serverless cluster during elastic scaling, caused by the parallel cache refresh mechanism using an incorrect cache ID.

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

Fixed an issue where slab memory usage continuously increased during the replay of a two-phase commit transaction.

Description

References

Compatible with community PostgreSQL 15.12.

PostgreSQL 15.12

Upgraded the spatio-temporal database (GanosBase) to version 7.4.

Release notes for the spatio-temporal database

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

Garbage collection during off-peak hours

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

• age

• wal2json

• mysql_fdw

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

Vector databases

Description

Supports bulkwrite mode to optimize index creation performance.

默认打开函数自适应白名单，提高集群地址负载均衡。