Help Center/ Relational Database Service/ User Guide (Ally Region)/ Working with RDS for MySQL/ Database Proxy (Read/Write Splitting)/ Database Proxy Kernel Versions/ Kernel Versions
Updated on 2026-04-24 GMT+08:00
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Kernel Versions

The following table describes the updates in each kernel version of RDS for MySQL database proxy.

Version

Description

2.25.12.000

Resolved issues

  • Resolved character set inconsistency issues on different nodes after session-level connection pooling is enabled.
  • Resolved the issue that the proxy node occasionally becomes abnormal after SSL is enabled.
  • Resolved the issue where the proxy CPU usage occasionally reaches 100% when the Prepare protocol is used.

2.25.09.000

New functions

  • Supported routing for statements containing WITH clauses.

Resolved issues

  • Optimized routing for SET statements when the Prepare protocol is used.

2.25.06.000

New functions

  • The PAD_CHAR_TO_FULL_LENGTH value is supported for SQL_MODE.

Resolved issues

  • Optimized the processing logic for closing PreparedStatement.

2.25.03.000

New functions

  • Read-only proxies support read-only transactions.

2.24.12.000

Resolved issues

  • Optimized the slow query log processing logic.
  • Optimized .NET client adaptation.

2.24.09.020

New functions

  • Support for IPv6

Resolved issues

  • Resolved the issue that proxy resource reclamation is slow after SSL is enabled.
  • Resolved the issue that read requests cannot be split from write requests after transaction splitting is enabled with set autocommit set to 0 and commit used to commit transactions.

2.24.06.000

Resolved issues

  • Resolved the issue that SELECT statements starting with ( are sent to the primary instance.

2.23.12.000

New functions

  • Reduced proxy authentication synchronization latency, so that new accounts and databases can be synchronized more quickly.
  • Full-link error tracking supported by database proxy
  • Display of slow SQL statements recorded by database proxy

2.23.09.002

Resolved issues

  • Optimized the logic for the proxy to retry service SQL statements after the instance breaks down.

2.23.09.001

Resolved issues

  • Fixed the issue that an error is occasionally reported during execution of the prepared SELECT FOR UPDATE statement.

2.23.09.000

New functions

  • Change User protocol
  • Parsing of multiple hints
  • show processlist and kill commands

2.23.06.001

Resolved issues

  • Resolved the increased backend database connections caused by enabling session connection pool.

2.23.06.000
  • New functions

    Binlog pulling through the proxy kernel

  • Resolved issues

    Optimized the performance of the prepare stmt protocol again.

2.23.02.007

Resolved issues

  • Optimized the performance of the prepare stmt protocol.
  • Resolved unexpected traffic allocation of the /* FORCE_SLAVE*/ Hint statement.
  • Resolved the issue that the set autocommit setting is synchronized to read replicas after transaction splitting is enabled.

2.23.02.000
  • Resolved issues

    Optimized the database proxy performance.