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Percona Server for MySQL 5.7.28-31 (2019-11-13)

Percona is glad to announce the release of Percona Server for MySQL 5.7.28-31 on November 13, 2019. Downloads are available here and from the Percona Software Repositories.

This release is based on MySQL 5.7.28 and includes all the bug fixes in it. Percona Server for MySQL 5.7.28-31 is now the current GA (Generally Available) release in the 5.7 series.

All software developed by Percona is open-source and free.


If you’re currently using Percona Server for MySQL 5.7, Percona recommends upgrading to this version of 5.7 prior to upgrading to Percona Server for MySQL 8.0.

Bugs Fixed

  • When using skip-innodb_doublewrite in my.cnf, a parallel doublewrite buffer is still created. Bugs fixed #3411.

  • During a binlogging replication event, if the master crashes after the multi-threaded slave has begun copying to the slave’s relay log and before the process has completed, a STOP SLAVE on the slave takes longer than expected. Bug fixed #5824.

  • If pam_krb5 is configured to allow the user to change their password, and the password expired, the server crashed after receiving the new password. Bug fixed #6023.

Other bugs fixed: #5859, #5910, #5966, #4784, #5216, #5327, #5584, #5642, #5659, #5754, #5761, #5797, #5875, #5933, #5941, #5997, #6050, #6052, #3345, and #5585

Known Issues

  • #5783: The length of time and resources required for a MySQL query execution increased with a large number of table partitions. Limiting the Estimation of Records in a Query describes the experimental options added to prevent index scans on the partitions and return a specified number of values.

Last update: 2022-09-27