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Percona XtraDB Cluster 8.0.22-13.1
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      • 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
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      • 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
        • Improvements
        • Bugs Fixed
        • Known Issues (unfixed problems that you should be aware of)
      • 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
      • 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 (unfixed problems that you should be aware of)

    Percona XtraDB Cluster 8.0.22-13.1¶

    • Date

      March 22, 2021

    • Installation

      Installing Percona XtraDB Cluster

    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 PaweÅ‚ 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)

    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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