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Percona XtraDB Cluster 8.0.18-9.3
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    • Home
      • About Percona XtraDB Cluster
      • Percona XtraDB Cluster limitations
      • Understand version numbers
      • Quick start guide for Percona XtraDB Cluster
      • Install Percona XtraDB Cluster
      • Configure nodes for write-set replication
      • Bootstrap the first node
      • Add nodes to cluster
      • Verify replication
      • High availability
      • PXC strict mode
      • Online schema upgrade
      • Non-Blocking Operations (NBO) method for Online Scheme Upgrades (OSU)
      • Security basics
      • Secure the network
      • Encrypt PXC traffic
      • Enable AppArmor
      • Enable SELinux
      • State snapshot transfer
      • Percona XtraBackup SST configuration
      • Restart the cluster nodes
      • Cluster failover
      • Monitor the cluster
      • Certification in Percona XtraDB Cluster
      • Percona XtraDB Cluster threading model
      • Understand GCache and Record-Set cache
      • GCache encryption and Write-Set cache encryption
      • Perfomance Schema instrumentation
      • Data at Rest Encryption
      • Upgrade Percona XtraDB Cluster
      • Crash recovery
      • Configure Percona XtraDB Cluster on CentOS
      • Configure Percona XtraDB Cluster on Ubuntu
      • Set up Galera arbitrator
      • How to set up a three-node cluster on a single box
      • How to set up a three-node cluster in EC2 environment
      • Load balancing with HAProxy
      • Load balancing with ProxySQL
      • ProxySQL admin utilities
      • Setting up a testing environment with ProxySQL
      • Release notes index
      • Percona XtraDB Cluster 8.0.31-23 (2023-03-14)
      • Percona XtraDB Cluster 8.0.30-22.md (2022-12-28)
      • Percona XtraDB Cluster 8.0.29-21 (2022-09-12)
      • Percona XtraDB Cluster 8.0.28-19.1 (2022-07-19)
      • Percona XtraDB Cluster 8.0.27-18.1
      • Percona XtraDB Cluster 8.0.26-16.1
      • Percona XtraDB Cluster 8.0.25-15.1
      • Percona XtraDB Cluster 8.0.23-14.1
      • Percona XtraDB Cluster 8.0.22-13.1
      • Percona XtraDB Cluster 8.0.21-12.1
      • Percona XtraDB Cluster 8.0.20-11
      • Percona XtraDB Cluster 8.0.20-11.3
      • Percona XtraDB Cluster 8.0.20-11.2
      • Percona XtraDB Cluster 8.0.19-10
      • Percona XtraDB Cluster 8.0.18-9.3
        • Improvements
        • Bugs Fixed
        • Known Issues
      • Index of wsrep status variables
      • Index of wsrep system variables
      • Index of wsrep_provider options
      • Index of files created by PXC
      • Frequently asked questions
      • Glossary
      • Copyright and licensing information
      • Trademark policy

    • Improvements
    • Bugs Fixed
    • Known Issues

    Percona XtraDB Cluster 8.0.18-9.3¶

    • Date

      April 29, 2020

    • Installation

      Installing Percona XtraDB Cluster

    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.

    Improvements¶

    • 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

    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: 2022-08-24
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