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Understand version numbers
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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
      • 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
      • 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

    Understand version numbers¶

    A version number identifies the product release. The product contains the latest Generally Available (GA) features at the time of that release.

    8.0.20 -11. 2
    Base version Minor build Custom build

    Percona uses semantic version numbering, which follows the pattern of base version, minor build, and an optional custom build. Percona assigns unique, non-negative integers in increasing order for each minor build release. The version number combines the base Percona Server for MySQL version number, the minor build version, and the custom build version, if needed.

    The version numbers for Percona XtraDB Cluster 8.0.20-11.2 define the following information:

    • Base version - the leftmost set of numbers that indicate the Percona Server for MySQL version used as a base. An increase in the base version resets the minor build version and the custom build version to 0.

    • Minor build version - an internal number that increases with every Percona XtraDB Cluster release, and the custom build number is reset to 0.

    • Custom build version - an optional number assigned to custom builds used for bug fixes. The features don’t change unless the fixes include those features. For example, Percona XtraDB Cluster 8.0.20-11.1, 8.0.20-11.2, and 8.0.20-11.3 are based on the same Percona Server for MySQL version and minor build version but are custom build versions.

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    Last update: 2022-12-28
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