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Percona Operators Documentation

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Percona Operator for MySQL based on Percona XtraDB Cluster 1.19.1 (2026-04-16)

Installation

This release fixes an issue with ProxySQL scheduler behavior for the replica read-only cluster when cross-site replication is configured.

Changelog

Fixed Bugs

  • K8SPXC-1029 - Fixed a bug where ProxySQL pods entered a crash loop in replica clusters because the writer node was identified as read-only. The ProxySQL entrypoint now correctly identifies the primary node in replica environments by bypassing strict write-node validation, ensuring pods reach a ready state.

Supported Software

The Operator was developed and tested with the following software:

  • Percona XtraDB Cluster versions 8.4.7-7.1, 8.0.44-35.1, and 5.7.44-31.65
  • Percona XtraBackup versions 8.4.0-5.1, 8.0.35-34.1, and 2.4.29
  • HAProxy 2.8.17
  • ProxySQL 2.7.3-1.2, 3.0.1-1.2
  • LogCollector based on fluent-bit 4.0.1-1
  • PMM Client 2.44.1-1 and 3.5.0

Other options may also work but have not been tested.

Supported Platforms

Percona Operators are designed for compatibility with all CNCF-certified Kubernetes distributions. Our release process includes targeted testing and validation on major cloud provider platforms and OpenShift, as detailed below:

This list only includes the platforms that the Percona Operators are specifically tested on as part of the release process. Other Kubernetes flavors and versions depend on the backward compatibility offered by Kubernetes itself.

Percona certified images

Find Percona’s certified Docker images that you can use with the Percona Operator for MySQL based on Percona XtraDB Cluster in the following table.

Image Digest
percona/percona-xtradb-cluster-operator:1.19.1 937a583f0031f45175aee2e5c7a380bbaa9a35046f0e7cae8cd900c44732c4f8
percona/percona-xtradb-cluster-operator:1.19.1 (ARM64) d1939659a5d331db9fae970dee42fd25f083d1955330e9043fe4cb862ff19326
percona/percona-xtradb-cluster:8.4.7-7.1 5b18775ad62a1c5f8d8bffc63a1518360d2e7a82c1bed7cbd8a15011f6cdff9f
percona/percona-xtradb-cluster:8.4.7-7.1 (ARM64) 4c3785f5befd001ca3ae035f42c9b586447b874158b0d9b26afb8ff87658829f
percona/percona-xtrabackup:8.4.0-5.1 0f80a542a51af8733b5b5f1d836e72cfe9363250faa031ddec145f85206d6aac
percona/percona-xtrabackup:8.4.0-5.1 (ARM64) 22420a229d0b876331d0a2dd251a9e5060acaec2edc2eefc7384bd16516b6320
percona/percona-xtrabackup:8.0.35-34.1 967bafa0823c90aa8fa9c25a9012be36b0deef64e255294a09148d77ce6aea68
percona/percona-xtrabackup:8.0.35-34.1 (ARM64) 83f814dca9ed398b585938baa86508bda796ba301e34c948a5106095d27bf86e
percona/percona-xtrabackup:2.4.29 11b92a7f7362379fc6b0de92382706153f2ac007ebf0d7ca25bac2c7303fdf10
percona/fluentbit:4.0.1-1 65bdf7d38cbceed6b6aa6412aea3fb4a196000ac6c66185f114a0a62c4a442ad
percona/fluentbit:4.0.1-1 (ARM64) dabda77b298b67d30d7f53b5cdb7215ad19dabb22b9543e3fd8aedb74ab24733
percona/pmm-client:3.5.0 352aee74f25b3c1c4cd9dff1f378a0c3940b315e551d170c09953bf168531e4a
percona/pmm-client:3.5.0 (ARM64) cbbb074d51d90a5f2d6f1d98a05024f6de2ffdcb5acab632324cea4349a820bd
percona/pmm-client:2.44.1-1 52a8fb5e8f912eef1ff8a117ea323c401e278908ce29928dafc23fac1db4f1e3
percona/pmm-client:2.44.1-1 (ARM64) 390bfd12f981e8b3890550c4927a3ece071377065e001894458047602c744e3b
percona/haproxy:2.8.17 ef8486b39a1e8dca97b5cdf1135e6282be1757ad188517b889d12c5a3470eeda
percona/haproxy:2.8.17 (ARM64) bbc5b3b66ac985d1a4500195539e7dff5196245a5a842a6858ea0848ec089967
percona/proxysql2:2.7.3-1.2 719d0ab363c65c7f75431bbed7ec0d9f2af7e691765c489da954813c552359a2
percona/proxysql2:2.7.3-1.2 (ARM64) 4c4d094652c9f2eb097be5d92dcc05da61c9e8699ac7321def959d5a205a89f7
percona/percona-xtrabackup:2.4.29 11b92a7f7362379fc6b0de92382706153f2ac007ebf0d7ca25bac2c7303fdf10
Last update: April 17, 2026
Created: April 17, 2026