sysown/proxysql v2.7.2

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ProxySQL 2.7.2 Release Notes

Release date: 2025-01-27

This is a minor release for ProxySQL 2.7 series containing some enhancements and several bug fixes.

Compared to version 2.7.1, ProxySQL 2.7.2 introduces the following changes:

New features and enhancements

Major

• Added Enhanced Event and Query Logging: #4713 and #4802
  • ProxySQL 2.7.2 introduces a powerful event logging and analysis feature with real-time insights into application behavior and database performance. It utilizes a circular buffer and SQLite databases (in-memory and on-disk) to optimize data retention and ensure high performance. This feature is configurable and ensures seamless operation without impacting real-time traffic.
  • Queries now can be logged in real time and available in stats_mysql_query_events and history_mysql_query_events.
  • MySQL Logger metrics are now exported through stats_mysql_global and Prometheus exporter.
  • More information can be found in the official documentation.

Minor

• Added MySQL variable (mysql-protocol_compression_level) to control protocol compression level #4789
• Table mysql_hostgroup_attributes is now configurable through the config file #4748
• Randomized cache TTL queueing and distribution reducing the need for helper threads #4729
• Added integrity checks on MySQL packets with malformed column-count (crash prevention) #4742

Bug Fixes

Major

• Fixed crash when empty query is received in Admin interface #4722
• Fixed halt on PROXYSQL RESUME command #4757
• Fixed leak of SSL caches for auxiliary threads #4801

Minor

• Fixed small memory leak when ssl_params are used on Monitor connections #4795
• Fixed query cache always storing empty resultsets, not honoring mysql-query_cache_stores_empty_result #4723
• Fixed potential overflows for mysql_thread___threshold_resultset_size #4733

Hashes

SHA256s:

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