Skip to content
Percona XtraDB Cluster Documentation

For help, click the link below to get free database assistance or contact our experts for personalized support.

Get help from Percona

Percona XtraDB Cluster 8.0.22-13.1

Percona XtraDB Cluster 8.0.22-13.1 includes all of the features and bug fixes available in Percona Server for MySQL. See the corresponding release notes for Percona Server for MySQL 8.0.22-13 for more details on these changes.

This release fixes security vulnerability CVE-2021-27928, a similar issue to CVE-2020-15180

Improvements

  • PXC-3575: Implement package changes for SELinux and AppArmor

  • PXC-3115: Create Default SELinux and AppArmor policy

Bugs Fixed

  • PXC-3536: Modify processing to not allow threads/queries to be killed if the thread is in TOI

  • PXC-3565: Correct Performance of SELECT in PXC

  • PXC-3502: Correct condition in thd_binlog_format() function for List Index process (Thanks to user Paweł Bromboszcz for reporting this issue)

  • PXC-3501: Modify wsrep_row_upd_check_foreign_constraints() to include foreign key dependencies in the writesets for DELETE query (Thanks to user Steven Gales for reporting this issue)

  • PXC-2913: Correct MDL locks assertion when wsrep provider is unloaded

  • PXC-3475: Adjust mysqld_safe script to parse 8.0 log style properly

Known Issues (unfixed problems that you should be aware of)

  • PXC-3039: No useful error messages if an SSL-disabled node tries to join an SSL-enabled cluster

  • PXC-3092: Log a warning at startup if a keyring is specified, but cluster traffic encryption is turned off

  • PXC-3093: Completed SST Transfer incorrectly logged by garbd (Timing is not correct)