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ProxySQL 2.5.5 and ProxySQL admin tools (2023-08-23)
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    • Home
      • Release notes index
      • ProxySQL 2.5.5 and ProxySQL admin tools (2023-08-23)
        • Release highlights
        • Bug fixes
        • Useful links
      • ProxySQL 2.5.4 and ProxySQL admin tools (2023-07-24)
      • ProxySQL 2.5.3 and ProxySQL admin tools (2023-07-06)
      • ProxySQL 2.5.2 and ProxySQL admin tools (2023-06-26)
      • ProxySQL 2.5.1 and ProxySQL admin tools (2023-04-17)
      • ProxySQL 2.4.8 and ProxySQL admin tools (2023-03-15)
      • ProxySQL 2.4.7 and ProxySQL admin tools (2023-02-14)
      • ProxySQL 2.4.4-1.2 and ProxySQL admin tools (2022-11-08)
      • ProxySQL 2.4.4 and ProxySQL admin tools (2022-10-04)
      • ProxySQL 2.4.3 and ProxySQL admin tools (2022-08-31)
      • ProxySQL 2.4.2 and proxysql admin tools (2022-08-10)
      • ProxySQL 2.3.2-1.2, proxysql-admin, and percona-scheduler-admin (2022-06-15)
      • ProxySQL 2.3.2 and proxysql-admin (2021-11-03)
      • ProxySQL 2.2.0 and proxysql-admin (2021-08-10)
      • ProxySQL 2.1.1 and proxysql-admin (2021-07-09)
      • ProxySQL 2.0.18 and proxysql-admin (2021-04-19)
      • ProxySQL 2.0.17 and proxysql-admin (2021-04-06)
      • ProxySQL 2.0.15 and proxysql-admin (2020-11-17)
      • ProxySQL 2.0.14 and proxysql-admin (2020-09-24)
      • ProxySQL 2.0.13 and proxysql-admin (2020-08-05)
      • ProxySQL 2.0.12 and proxysql-admin (2020-06-11)
      • ProxySQL 2.0.7 and proxysql-admin (2019-10-23)
      • ProxySQL 2.0.6 and proxysql-admin (2019-08-21)
      • ProxySQL 2.0.5 and proxysql-admin (2019-11-23)
      • ProxySQL 2.0.4 and proxysql-admin (2019-05-28)
      • ProxySQL 2.0.3 and proxysql-admin (2019-05-07)
      • ProxySQL 1.4.16 and proxysql-admin (2020-02-11)
      • ProxySQL 1.4.12 and proxysql-admin (2018-11-13)
      • ProxySQL 1.4.8 and proxysql-admin (2018-05-22)
      • ProxySQL 1.4.7 and proxysql-admin (2018-04-16)
      • ProxySQL 1.4.6 and proxysql-admin (2018-03-12)
      • ProxySQL 1.4.5 and proxysql-admin (2018-02-15)
      • ProxySQL 1.4.4 and proxysql-admin (2018-01-18)
      • Use ProxySQL 1.x.x with ProxySQL Admin
      • Install ProxySQL 1.x.x
      • Install ProxySQL 1.X from a binary tarball
      • Configure ProxySQL 1.x.x
        • Download locations for ProxySQL 2.x.x and ProxySQL admin utilities
        • Install ProxySQL 2.x.x and the admin utilities
        • Install ProxySQL 2.x.x binary tarball
        • Build the pxc_scheduler_handler tool
        • Start and stop ProxySQL
        • Upgrade ProxySQL
        • Uninstall ProxySQL 2.x.x
          • ProxySQL Admin tool changes
          • ProxySQL 2.x and proxysql-admin utility
          • The proxysql-admin functions
          • ProxySQL 2.x.x and pxc_scheduler_handler tool
          • pxc-scheduler-handler configuration
          • pxc_scheduler_handler statements
          • pxc-scheduler-handler options
          • Known issues in pxc_scheduler_handler
      • Trademark policy
      • Copyright and licensing information
    • Release highlights
    • Bug fixes
    • Useful links

    ProxySQL 2.5.5 and ProxySQL admin tools (2023-08-23)¶

    ProxySQL is a high-performance proxy for MySQL and MySQL-compatible database servers such as Percona Server for MySQL and MariaDB. It acts as an intermediary for client requests seeking resources from the database. ProxySQL was created for the database administrator as a solution for complex replication topology issues.

    You can download the original ProxySQL from GitHub. The ProxySQL documentation provides information on installing and running ProxySQL.

    The ProxySQL Admin (proxysql-admin) tool simplifies the configuration of Percona XtraDB Cluster nodes with ProxySQL. ProxySQL Admin 1 requires custom Bash scripts to track the status of a Percona XtraDB Cluster. ProxySQL Admin 2 supports Percona XtraDB Cluster without custom scripts.

    The ProxySQL 2 and pxc_scheduler_handler tool can automatically perform a failover due to node failures, service degradation, or maintenance. The pxc_scheduler_handler tool has different features and capabilities than ProxySQL admin. Do not use the options from one tool in the other tool. Mixing the options may cause unintended results.

    Release highlights¶

    Compared to the previous ProxySQL 2.5.4 release, this release includes all improvements and bug fixes available in ProxySQL 2.5.5.

    The improvements and bug fixes introduced by ProxySQL 2.5.5 and included in this release are:

    • Using a CA certificate to create backend connections with SSL enabled caused a file descriptors leak.

    • Terminating a frontend connection using SSL during a handshake could cause an infinite loop.

    For more information on these items and other improvements and bug fixes, see the ProxySQL 2.5.5 release notes.

    Bug fixes¶

    ProxySQL Admin and pxc_scheduler_handler have not changed since the previous release.

    Useful links¶

    • Install ProxySQL and proxysql-admin

    • The ProxySQL and ProxySQL admin tools GitHub location

    • Contribute to the documentation

    • Download the product binaries, packages, and tarballs at Download ProxySQL

    • For training, contact Percona Training - Start learning now

    Contact us

    For free technical help, visit the Percona Community Forum.

    To report bugs or submit feature requests, open a JIRA ticket.

    For paid support and managed or consulting services , contact Percona Sales.


    Last update: 2023-08-23
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