sysown/proxysql v2.6.0 on GitHub

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:
- Deprecated variable admin-hash_passwords
- Added new variable mysql-default_authentication_plugin
- Extra details in several sections of the official documentation
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
- Allows for warning propagation from backend to client.
- Adds support for SHOW WARNINGS command.
- Introduces two new variables for control mysql-handle_warnings and mysql-query_cache_handle_warnings.
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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