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@mirostauder mirostauder released this 04 Mar 16:35
· 311 commits to v2.x since this release
v2.6.0
9878ed3

v2.6.0 Release notes

Release date: 2024-03-04

This is a major release for ProxySQL 2.x series containing some enhancements and several bug fixes.

Compared to version 2.5.5 ProxySQL 2.6.0 introduces the following changes:

New features and enhancements

Major

  • Added support for caching_sha2_password:
  • Added new feature mysql_servers_ssl_params #4458
    • Allows overriding the global SSL parameters in a per-host basis.
    • Introduces new configuration table mysql_servers_ssl_params.
  • Completely new Web Interface via Web Interface Plugin:
    • The plugin targets 2.6.0 as it's initial target release.
    • Upcoming news and blogpost on ProxySQL website.
  • Improved LDAP support, via LDAP Plugin:
    • Updated plugin version targets 2.6.0 as it's initial target release.
    • Upcoming news and blogpost on ProxySQL website.
  • Upgrade multiple dependencies:
    • libmariadbclient from 3.1.9 to 3.3.8 #4407
    • OpenSSL from 3.1.4 to 3.2.1 #4360, #4371, #4447, #4448
    • SQLite3 from 3.42 to 3.43.2 #4363
    • curl from 7.87.0 to 8.4.0 #4359
    • libhttpserver from 0.9.75 to 0.9.77 #4362
  • Added builds for CentOS 9 stream builds #4394
  • Added support for warnings handling #4365
  • Added support for hostgroup_attributes for AWS aurora autodiscovery #4279, via #4295
    • Allows to configure auto-discovered servers defaults via servers_defaults.
  • Added support for Group Replication Autodiscovery for MySQL 8 #4208
    • Allows to configure auto-discovered servers defaults via servers_defaults.
  • Added support for Bootstrap Mode for MySQL 8 Group Replication #4232
  • Added new synchronization algorithm for mysql_servers for Cluster #4169

Minor

  • Update several defaults #4339
    • monitor_history: from 600000 to 7200000 (from 10 minutes to 2 hours)
    • use_tcp_keepalive: from false to true
    • tcp_keepalive_time: from 0 to 120
    • set_parser_algorithm: from 1 to 2
  • Added new column hostgroup_settings to mysql_hostgroup_attributes table #4374
  • Added new prepared statement memory usage monitoring via: #4372
    • prepare_statement_metadata_memory: Bytes of metadata cache stored for prepared statements.
    • prepare_statement_backend_memory: Bytes used for prepared statements in backend connections.
  • Remove trailing spaces and semicolons in SET (parsing resiliency) #4385
  • Improve detection of viable_candidate server for MySQL 8 Group Replication #4208
  • Added new configuration variable mysql-evaluate_replication_lag_on_servers_load #4450
  • Allow values above 65536 for mysql-servers_capabilities #4424
  • Improve shutdown consistency via fast shutdown for TERM signal handler #4425
  • Add new PROXYSQL INTERNAL SESSION field MultiplexDisabled_ext #4430
  • Improve handling of several STATUS commands from MySQL 8 CLI #4396
  • Added new status variable mysql_listener_paused indicating if PROXYSQL PAUSE was executed #4428
  • Added missing/incorrect LICENSE info in packages #4444

Deprecations

  • Deprecation of multiple distributions:
    • Debian 8
    • Debian 9
    • Fedora 27
    • Fedora 28
    • Fedora 33
    • Fedora 34
    • Fedora 36
    • Fedora 37
    • Ubuntu 14
    • CentOS 6
  • Deprecation of unused variable mysql-default_tx_isolation #4429

Bug Fixes

Major

  • Fixed assert due to duplicated entries in monitor.mysql_server_galera_log #4351
  • Fixed servers_defaults column not being synced by Cluster #4374
  • Fixed Admin deadlock on concurrent connections #4416
  • Fixed crash when frequently querying stats_mysql_query_digest* tables #4414
  • Fixed AWS Aurora replicas not being shunned due to replication lag #4279
  • Fixed AWS Aurora new writer not honoring new_reader_weight #4279
  • Fixed invalid removal of servers when present in multiple AWS Aurora clusters #4279
  • Fixed IP not being resolved after connection error in Cluster #4452

Minor

  • Fixed interactions between checksum_% and %_diffs_before_sync variables #4381
    • Variables checksum_% were deprecated in 2.5.2 #4161
    • Unintentional checksum resets for Cluster also fixed for cluster_ldap_variables #4381
  • Fixed memory leaks when querying stats_mysql_prepared_statements_info #4455
  • Fixed heap use after free when setting auditlog_filename #4455
  • Fixed memory leaks in ProxySQL HTTP Server #4455
  • Fixed invalid handling of aliases when exceeding 250 characters #4403
  • Fixed inclusion of servers in SHUNNED|SHUNNED_REPLICATION_LAG for checksums computation #4279

Hashes

SHA256s:

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