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Percona XtraDB Cluster 8.0.18-9.3

Percona XtraDB Cluster 8.0.18-9.3 includes all of the features and bug fixes available in Percona Server for MySQL. See the corresponding release notes for Percona Server for MySQL 8.0.18-9 for more details on these changes.


  • PXC-2495: Modified documentation for wsrep_sst_donor to include results when IP address is used

  • PXC-3002: Enhanced service_startup_timeout options to allow it to be disabled

  • PXC-2331: Modified the SST process to run mysql_upgrade

  • PXC-2991: Enhanced Strict Mode Processing to handle Group Replication Plugin

  • PXC-2985: Enabled Service for Automated Startup on Reboot with valid grastate.dat

  • PXC-2980: Modified Documentation to include AutoStart Up Process after Installation

  • PXC-2722: Enabled Support for Percona XtraBackup (PXB) 8.0.8 in Percona XtraDB Cluster (PXC) 8.0

  • PXC-2602: Added Ability to Configure xbstream options with wsrep_sst_xtrabackup

  • PXC-2455: Implemented the use of Percona XtraBackup (PXB) 8.0.5 in Percona XtraDB Cluster (PXC) 8.0

  • PXC-2259: Updated wsrep-files-index.htrml to include new files created by Percona XtraDB Cluster (PXC)

  • PXC-2197: Modified SST Documentation to Include Package Dependencies for Percona XtraBackup (PXB)

  • PXC-2194: Improvements to the PXC upgrade guide

  • PXC-2191: Revised Documentation on innodb_deadlock to Clarify Cluster Level Deadlock Processing

  • PXC-3017: Remove these SST encryption methods. encrypt=1, encrypt=2, and encrypt=3

  • PXC-2189: Modified Reference Architecture for Percona XtraDB Cluster (PXC) to include ProxySQL

Bugs Fixed

  • PXC-2537: Modified mysqladmin password command to prevent node crash

  • PXC-2958: Modified User Documentation to include wsrep_certification_rules and cert.optimistic_pa

  • PXC-2045: Removed debian.cnf reference from logrotate/logcheck configuration Installed on Xenial/Stretch

  • PXC-2292: Modified Processing to determine Type of Key Cert when IST/SST

  • PXC-2974: Modified Percona XtraDB Cluster (PXC) Dockerfile to Integrate Galera wsrep recovery Process

  • PXC-3145: When the joiner fails during an SST, the mysqld process stays around (doesn’t exit)

  • PXC-3128: Removed Prior Commit to Allow High Priority High Transaction Processing

  • PXC-3076: Modified Galera build to remove python3 components

  • PXC-2912: Modified netcat Configuration to Include -N Flag on Donor

  • PXC-2476: Modified process to determine and process IST or SST and with keyring_file processing

  • PXC-2204: Modified Shutdown using systemd after Bootstrap to provide additional messaging

  • PXB-2142: Transition key was written to backup / stream

  • PXC-2969: Modified pxc_maint_transition_period Documentation to Include Criteria for Use

Known Issues

  • PXC-2978: Certificate Information not Displayed when pxc-encrypt-cluster-traffic=ON

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

  • PXC-3043: Update required donor version to PXC 5.7.28

  • PXC-3063: Data at Rest Encryption not Encrypting Record Set Cache

  • PXC-3092: Abort startup if keyring is specified but cluster traffic encryption is turned off

  • PXC-3093: Garbd logs Completed SST Transfer Incorrectly (Timing is not correct)

  • PXC-3159: Killing the Donor or Connection lost during SST Process Leaves Joiner Hanging

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Last update: 2024-04-09