# Percona Operator for MySQL **URL:** https://forums.percona.com/c/mysql-mariadb/percona-kubernetes-operator-for-mysql/28.md [Latest](https://forums.percona.com/latest.md) · [Categories](https://forums.percona.com/categories.md) · [Tags](https://forums.percona.com/tags.md) --- ## [About the Percona Operator for MySQL category](https://forums.percona.com/t/about-the-percona-operator-for-mysql-category/33)
**Author:** [@system](https://forums.percona.com/u/system)\ **Replies:** 1\ **Last updated:** [November 20, 2024, 6:44am UTC](https://forums.percona.com/t/about-the-percona-operator-for-mysql-category/33 "2024-11-20T06:44:40Z")
This topic is devoted to Percona Operator for MySQL. Ask your questions here and discuss them with the community and Percona experts! The Percona Operator for MySQL automates the creation, alteration, or deletion of mem… --- ## [Percona Distribution for MySQL Operator Troubleshooting and Reporting Bugs](https://forums.percona.com/t/percona-distribution-for-mysql-operator-troubleshooting-and-reporting-bugs/7593)
**Author:** [@lorraine.pocklington](https://forums.percona.com/u/lorraine.pocklington)\ **Replies:** 0\ **Last updated:** [April 30, 2020, 9:11am UTC](https://forums.percona.com/t/percona-distribution-for-mysql-operator-troubleshooting-and-reporting-bugs/7593 "2020-04-30T09:11:07Z")
We have a separate system for recording and reporting on bugs, for Percona Distribution for MySQL Operator and for other Percona software. The forum is oriented towards discussion and advice rather than to bug reporting … --- ## [Operator PS MySQL - behaviour on 1 instance that gets unavailable](https://forums.percona.com/t/operator-ps-mysql-behaviour-on-1-instance-that-gets-unavailable/41171)
**Author:** [@Carlos\_Abrantes](https://forums.percona.com/u/Carlos_Abrantes)\ **Replies:** 5\ **Last updated:** [August 19, 2026, 8:31am UTC](https://forums.percona.com/t/operator-ps-mysql-behaviour-on-1-instance-that-gets-unavailable/41171 "2026-08-19T08:31:38Z")
Hi all, just trying to understand the expected operator behaviour. Description: a cluster with 3 instances using Group Replication one pod/instance gets unavailable (network split 1 vs 2). It gets the state UNREACHAB… --- ## [Pitr container not exiting after hitting failure](https://forums.percona.com/t/pitr-container-not-exiting-after-hitting-failure/40671)
**Author:** [@Yash\_Daga](https://forums.percona.com/u/Yash_Daga)\ **Replies:** 6\ **Last updated:** [May 6, 2026, 2:35pm UTC](https://forums.percona.com/t/pitr-container-not-exiting-after-hitting-failure/40671 "2026-05-06T14:35:58Z")
Setup: 3 node percona pxc cluster with the following percona images Operator: 1.19.0 Cluster: 8.0.42-33.1 Xtrabackup: 8.0.35-34.1 I was trying PITR, during which the restore job succeeded, but the pitr job failed be… --- ## [Feature Request: CR field to set sizeLimit on the PXC operator-managed tmp emptyDir volume](https://forums.percona.com/t/feature-request-cr-field-to-set-sizelimit-on-the-pxc-operator-managed-tmp-emptydir-volume/40729)
**Author:** [@Julio\_Guevara](https://forums.percona.com/u/Julio_Guevara)\ **Replies:** 1\ **Last updated:** [April 30, 2026, 6:59am UTC](https://forums.percona.com/t/feature-request-cr-field-to-set-sizelimit-on-the-pxc-operator-managed-tmp-emptydir-volume/40729 "2026-04-30T06:59:26Z")
The PXC Operator mounts a hardcoded emptyDir: {} volume at tmp (MySQL’s tmpdir) on every PXC pod. This volume has no sizeLimit, and there is no Custom Resource field to set one. The only lever available today is pxc.reso… --- ## [Migration between Percona MySQL \<=\> Oracle MySQL](https://forums.percona.com/t/migration-between-percona-mysql-oracle-mysql/30310)
**Author:** [@midson](https://forums.percona.com/u/midson)\ **Replies:** 7\ **Last updated:** [April 14, 2026, 3:38pm UTC](https://forums.percona.com/t/migration-between-percona-mysql-oracle-mysql/30310 "2026-04-14T15:38:19Z")
Is there any blog or document, which talks about the steps followed and hands-on experience in dealing with migration in both ways? Pre & Post migration checks Migration steps and Data sync ups Integrity & Performance … --- ## [Full crash Percona after OOM](https://forums.percona.com/t/full-crash-percona-after-oom/40148)
**Author:** [@reddy\_nishanth](https://forums.percona.com/u/reddy_nishanth)\ **Replies:** 27\ **Last updated:** [March 10, 2026, 11:41am UTC](https://forums.percona.com/t/full-crash-percona-after-oom/40148 "2026-03-10T11:41:56Z")
Description: Why did my cluster crash and become non-recoverable after OOM? Steps to Reproduce: PXC cluster pods did OOM, and there were many restarts polaris@RKLAB-RVMHM255S006481:~$ k get all -n percona-operator NAME… --- ## [In pxc-operator version 5.7, innodb\_undo\_tablespaces was set to 0 when creating an instance, and now needs to be adjusted to 3. How can this be done? Directly modifying the configuration prevents the instance from starting normally](https://forums.percona.com/t/in-pxc-operator-version-5-7-innodb-undo-tablespaces-was-set-to-0-when-creating-an-instance-and-now-needs-to-be-adjusted-to-3-how-can-this-be-done-directly-modifying-the-configuration-prevents-the-instance-from-starting-normally/40086)
**Author:** [@wxc](https://forums.percona.com/u/wxc)\ **Replies:** 2\ **Last updated:** [March 4, 2026, 1:00pm UTC](https://forums.percona.com/t/in-pxc-operator-version-5-7-innodb-undo-tablespaces-was-set-to-0-when-creating-an-instance-and-now-needs-to-be-adjusted-to-3-how-can-this-be-done-directly-modifying-the-configuration-prevents-the-instance-from-starting-normally/40086 "2026-03-04T13:00:26Z")
In pxc-operator version 5.7, innodb\_undo\_tablespaces was set to 0 when creating an instance, and now needs to be adjusted to 3. How can this be done? Directly modifying the configuration prevents the instance from starti… --- ## [PXC Operator Data at Rest encryption Vault alternatives like Openbao](https://forums.percona.com/t/pxc-operator-data-at-rest-encryption-vault-alternatives-like-openbao/40267)
**Author:** [@reddy\_nishanth](https://forums.percona.com/u/reddy_nishanth)\ **Replies:** 1\ **Last updated:** [February 23, 2026, 3:42pm UTC](https://forums.percona.com/t/pxc-operator-data-at-rest-encryption-vault-alternatives-like-openbao/40267 "2026-02-23T15:42:53Z")
Hi Team, Wanted to check if OpenBao can be used instead of Vault in the PXC operator, I was checking this About data at rest encryption - Percona Operator for MySQL to understand the reason why only vault is support? I… --- ## [Wrong go-cron binary architecture in percona/fluentbit image](https://forums.percona.com/t/wrong-go-cron-binary-architecture-in-percona-fluentbit-image/40096)
**Author:** [@Josef\_Rypacek](https://forums.percona.com/u/Josef_Rypacek)\ **Replies:** 1\ **Last updated:** [February 6, 2026, 5:35am UTC](https://forums.percona.com/t/wrong-go-cron-binary-architecture-in-percona-fluentbit-image/40096 "2026-02-06T05:35:27Z")
Hello, I’m just trying to use pxc-db-1.19.0 and I found out that ARM images are available for all the containers now. I’m trying to make it work, but logrotate container (docker.io/percona/fluentbit:4.0.1-1) reports foll… --- ## [How to mount keyring using extraPVC in percona 1.19.0](https://forums.percona.com/t/how-to-mount-keyring-using-extrapvc-in-percona-1-19-0/40078)
**Author:** [@Yash\_Daga](https://forums.percona.com/u/Yash_Daga)\ **Replies:** 5\ **Last updated:** [February 5, 2026, 12:00pm UTC](https://forums.percona.com/t/how-to-mount-keyring-using-extrapvc-in-percona-1-19-0/40078 "2026-02-05T12:00:24Z")
Hi I wanted to use extraPVCs feature\[PR/2276\] provided by 1.19.0 release to mount the keyring\_file for mysql data at rest encryption on a 3 node cluster. I wanted to ask since the extraPVCs do not support storage class… --- ## [Using Percona XtraDB on a IPv6 only cluster](https://forums.percona.com/t/using-percona-xtradb-on-a-ipv6-only-cluster/39975)
**Author:** [@mpiscaer](https://forums.percona.com/u/mpiscaer)\ **Replies:** 2\ **Last updated:** [January 7, 2026, 5:32pm UTC](https://forums.percona.com/t/using-percona-xtradb-on-a-ipv6-only-cluster/39975 "2026-01-07T17:32:43Z")
Description: I have a Homelab that I have setup as a IPv6 only cluster. With this I try to use the Percona pxc-operator-1.18.0 helm chart. The problem is that the cluster does not get into a ready state because the SST i… --- ## [Does K8-PXC support bi-directional replication between two clusters?](https://forums.percona.com/t/does-k8-pxc-support-bi-directional-replication-between-two-clusters/39992)
**Author:** [@Lalit\_Choudhary](https://forums.percona.com/u/Lalit_Choudhary)\ **Replies:** 1\ **Last updated:** [January 6, 2026, 4:48pm UTC](https://forums.percona.com/t/does-k8-pxc-support-bi-directional-replication-between-two-clusters/39992 "2026-01-06T16:48:00Z")
Description: Is K8-PXC support bi-directional replication ? Because we can not use isSource true & false together in “spec.pxc.replicationChannels” Operator error: ERROR Reconciler error {“controller”: “pxc-controll… --- ## [How to change k8-pxc operator Proxysql server weight?](https://forums.percona.com/t/how-to-change-k8-pxc-operator-proxysql-server-weight/39953)
**Author:** [@Lalit\_Choudhary](https://forums.percona.com/u/Lalit_Choudhary)\ **Replies:** 2\ **Last updated:** [December 31, 2025, 4:22am UTC](https://forums.percona.com/t/how-to-change-k8-pxc-operator-proxysql-server-weight/39953 "2025-12-31T04:22:56Z")
Description: In the K8-PXC with proxysql by default we have this weight for servers and hostgroups, Here Writes and reads will go to pxc-0 pod always due to high weight configuration, How we can change weight so we can … --- ## [Openshift - manual install from Percona repo vs Certified and marketplace operators in OperatorHub](https://forums.percona.com/t/openshift-manual-install-from-percona-repo-vs-certified-and-marketplace-operators-in-operatorhub/39526)
**Author:** [@eprevost](https://forums.percona.com/u/eprevost)\ **Replies:** 1\ **Last updated:** [December 25, 2025, 6:27am UTC](https://forums.percona.com/t/openshift-manual-install-from-percona-repo-vs-certified-and-marketplace-operators-in-operatorhub/39526 "2025-12-25T06:27:04Z")
Hi, I’m experimenting with the Percona operator for XtraDB on Openshift. There is many ways to install the operator: Marketplace operator on OperatorHub Certified operator on OperatorHub Community operator on Operato… --- ## [AWS STS Session Token Support for Backups](https://forums.percona.com/t/aws-sts-session-token-support-for-backups/39893)
**Author:** [@gmautner](https://forums.percona.com/u/gmautner)\ **Replies:** 4\ **Last updated:** [December 23, 2025, 3:29am UTC](https://forums.percona.com/t/aws-sts-session-token-support-for-backups/39893 "2025-12-23T03:29:07Z")
Feature Request: AWS STS Session Token Support for Backups Summary Add support for AWS STS temporary credentials (specifically AWS\_SESSION\_TOKEN) in both scheduled backups and PITR binlog collector components. Current B… --- ## [ProxySQL keeps sending SELECT traffic to a PXC node in Donor/Desynced](https://forums.percona.com/t/proxysql-keeps-sending-select-traffic-to-a-pxc-node-in-donor-desynced/39828)
**Author:** [@Siamion\_Davydau](https://forums.percona.com/u/Siamion_Davydau)\ **Replies:** 5\ **Last updated:** [December 12, 2025, 7:08am UTC](https://forums.percona.com/t/proxysql-keeps-sending-select-traffic-to-a-pxc-node-in-donor-desynced/39828 "2025-12-12T07:08:03Z")
Hello! ProxySQL keeps sending SELECT traffic to a PXC node in Donor/Desynced state during backups — how to exclude it? Description: I’m running Percona XtraDB Cluster Operator v1.17.0 (3 nodes) on Kubernetes with Pr… --- ## [Binlog gaps and slow restores](https://forums.percona.com/t/binlog-gaps-and-slow-restores/39830)
**Author:** [@Bernard\_Grymonpon](https://forums.percona.com/u/Bernard_Grymonpon)\ **Replies:** 1\ **Last updated:** [December 8, 2025, 2:31pm UTC](https://forums.percona.com/t/binlog-gaps-and-slow-restores/39830 "2025-12-08T14:31:12Z")
Description: No info on why binlog gaps might occur, and no info on how to debug/examine this. Additional Information: We have a PXC 8.0.42 with operator 1.18.0 setup running, 3 nodes on EKS and we see that most of our … --- ## [PerconaServerMySQL Fails to Start Up after Restore](https://forums.percona.com/t/perconaservermysql-fails-to-start-up-after-restore/38592)
**Author:** [@KSDreams](https://forums.percona.com/u/KSDreams)\ **Replies:** 4\ **Last updated:** [November 30, 2025, 4:31pm UTC](https://forums.percona.com/t/perconaservermysql-fails-to-start-up-after-restore/38592 "2025-11-30T16:31:49Z")
Description: Attempting to migrate a PerconaServerMySQL from one k8s cluster to another using a PerconaServerMySQLRestore. The PerconaServerMySQLBackup is run on an older version of the operator (0.4.0) with the Restore … --- ## [Operator mySQL Server: cannot upgrade from 8.0.35 to 8.0.41](https://forums.percona.com/t/operator-mysql-server-cannot-upgrade-from-8-0-35-to-8-0-41/38123)
**Author:** [@Ingo.Bez](https://forums.percona.com/u/Ingo.Bez)\ **Replies:** 1\ **Last updated:** [November 29, 2025, 5:49pm UTC](https://forums.percona.com/t/operator-mysql-server-cannot-upgrade-from-8-0-35-to-8-0-41/38123 "2025-11-29T17:49:16Z")
Description: I am running a percona mysql server cluster (NOT xtradb) in version 0.8.0 with mysql-server 8.0.35. When updating to operator 0.9.0 all is still running smooth. When trying to upgrade the server to any versi… --- ## [After upgrading to PXC 8.4.5-5.1, I see TLS init warnings, missing binlog\_utils\_udf.so, and constant Galera “End of file” messages despite a healthy cluster](https://forums.percona.com/t/after-upgrading-to-pxc-8-4-5-5-1-i-see-tls-init-warnings-missing-binlog-utils-udf-so-and-constant-galera-end-of-file-messages-despite-a-healthy-cluster/39676)
**Author:** [@noops](https://forums.percona.com/u/noops)\ **Replies:** 3\ **Last updated:** [November 29, 2025, 5:22pm UTC](https://forums.percona.com/t/after-upgrading-to-pxc-8-4-5-5-1-i-see-tls-init-warnings-missing-binlog-utils-udf-so-and-constant-galera-end-of-file-messages-despite-a-healthy-cluster/39676 "2025-11-29T17:22:16Z")
Description After upgrading to Percona XtraDB Cluster 8.4.5-5.1 via the Percona Operator (crVersion: 1.18.0), I’m seeing several recurring issues in the MySQL logs across all PXC nodes: 1. TLS initialization warning \[… --- ## [Announcing the GA Release of the New Percona Operator for MySQL 🚀](https://forums.percona.com/t/announcing-the-ga-release-of-the-new-percona-operator-for-mysql/39751)
**Author:** [@Edith-Puclla](https://forums.percona.com/u/Edith-Puclla)\ **Replies:** 0\ **Last updated:** [November 19, 2025, 11:28am UTC](https://forums.percona.com/t/announcing-the-ga-release-of-the-new-percona-operator-for-mysql/39751 "2025-11-19T11:28:28Z")
A major milestone for the Kubernetes + MySQL community! Hi everyone! As many of you know, we’ve been working on the new Percona Operator for MySQL for almost two years. It has been a long journey filled with deep engin… --- ## [PXC cluster node crashed and cannot recover](https://forums.percona.com/t/pxc-cluster-node-crashed-and-cannot-recover/39153)
**Author:** [@Gerwin\_van\_de\_Steeg](https://forums.percona.com/u/Gerwin_van_de_Steeg)\ **Replies:** 8\ **Last updated:** [October 31, 2025, 4:09pm UTC](https://forums.percona.com/t/pxc-cluster-node-crashed-and-cannot-recover/39153 "2025-10-31T16:09:22Z")
Description: This happens frequently enough that it gets really annoying, out of the two database instances running they frequently enough crash with no easy to diagnose reason and cannot recover themselves leaving the p… --- ## [Enforcing mTLS with ProxySQL](https://forums.percona.com/t/enforcing-mtls-with-proxysql/39536)
**Author:** [@vis21](https://forums.percona.com/u/vis21)\ **Replies:** 1\ **Last updated:** [October 15, 2025, 6:35am UTC](https://forums.percona.com/t/enforcing-mtls-with-proxysql/39536 "2025-10-15T06:35:46Z")
Description: Attempting to enforce mTLS using ProxySQL. In values, I have tls enabled: tls: enabled: true I’ve set the interfaces ssl\_verify\_client and ssl\_required as well as have\_ssl. interfaces="0.0.0.0:… --- ## [Percona helm 1.17.0 pxc-db mysql 5.7 pxc-db-proxysql is experiencing restarts. What are the causes, and how can this be resolved and optimized?](https://forums.percona.com/t/percona-helm-1-17-0-pxc-db-mysql-5-7-pxc-db-proxysql-is-experiencing-restarts-what-are-the-causes-and-how-can-this-be-resolved-and-optimized/39058)
**Author:** [@yl.w](https://forums.percona.com/u/yl.w)\ **Replies:** 1\ **Last updated:** [September 22, 2025, 1:57pm UTC](https://forums.percona.com/t/percona-helm-1-17-0-pxc-db-mysql-5-7-pxc-db-proxysql-is-experiencing-restarts-what-are-the-causes-and-how-can-this-be-resolved-and-optimized/39058 "2025-09-22T13:57:17Z")
Hello， ProxySQL is experiencing restarts，what are the causes, and how can this be resolved and optimized? #1 $ kubectl get pod -n percona-operator-mysql NAME READY STATUS RESTARTS… --- ## [Restore of Xtrabackup from standalone database to PXC on Kubernetes fails](https://forums.percona.com/t/restore-of-xtrabackup-from-standalone-database-to-pxc-on-kubernetes-fails/39190)
**Author:** [@letsmakesense](https://forums.percona.com/u/letsmakesense)\ **Replies:** 6\ **Last updated:** [September 22, 2025, 1:47pm UTC](https://forums.percona.com/t/restore-of-xtrabackup-from-standalone-database-to-pxc-on-kubernetes-fails/39190 "2025-09-22T13:47:10Z")
Description: We are in the process of moving from a Proxmox cluster to Kubernetes and need to transfer data from a Percona MySQL Server 8.0 to the Percona Operator for MySQL XtraDBCluster. I’m following this documentatio… --- ## [Restore from Azure Blob fails – mandatory metadata files are chunked, not reassembled](https://forums.percona.com/t/restore-from-azure-blob-fails-mandatory-metadata-files-are-chunked-not-reassembled/39118)
**Author:** [@noops](https://forums.percona.com/u/noops)\ **Replies:** 1\ **Last updated:** [September 22, 2025, 1:41pm UTC](https://forums.percona.com/t/restore-from-azure-blob-fails-mandatory-metadata-files-are-chunked-not-reassembled/39118 "2025-09-22T13:41:46Z")
Hi, I’m trying to restore a backup from Azure Blob Storage to a Percona XtraDB Cluster using the PerconaXtraDBClusterRestore CR. My CR looks like this: apiVersion: pxc.percona.com/v1 kind: PerconaXtraDBClusterRestore … --- ## [MySQL instance is in CrashLoopBackOff after killing pod](https://forums.percona.com/t/mysql-instance-is-in-crashloopbackoff-after-killing-pod/36360)
**Author:** [@AlexKuleshov](https://forums.percona.com/u/AlexKuleshov)\ **Replies:** 1\ **Last updated:** [September 8, 2025, 10:32am UTC](https://forums.percona.com/t/mysql-instance-is-in-crashloopbackoff-after-killing-pod/36360 "2025-09-08T10:32:08Z")
Description: Hello, I have deployed two percona-server instances with: unsafeFlags: mysqlSize: true proxy: true proxySize: true orchestrator: true orchestratorSize: true mysql: size: 2 imagePullSecrets: … --- ## [How to create new database and user with the chart](https://forums.percona.com/t/how-to-create-new-database-and-user-with-the-chart/28065)
**Author:** [@sohamc](https://forums.percona.com/u/sohamc)\ **Replies:** 14\ **Last updated:** [August 29, 2025, 7:51pm UTC](https://forums.percona.com/t/how-to-create-new-database-and-user-with-the-chart/28065 "2025-08-29T19:51:03Z")
Description: We are exploring GitHub - percona/percona-xtradb-cluster-operator: Percona Operator for MySQL based on Percona XtraDB Cluster to set up mysql cluster. Now I am looking to create an user(s) and empty database… --- ## [Frequent sporadic "MySQL server has gone away" errors with Operator for MySQL (XtraDB Cluster) and HAProxy](https://forums.percona.com/t/frequent-sporadic-mysql-server-has-gone-away-errors-with-operator-for-mysql-xtradb-cluster-and-haproxy/37974)
**Author:** [@jhwalker](https://forums.percona.com/u/jhwalker)\ **Replies:** 4\ **Last updated:** [August 15, 2025, 8:42am UTC](https://forums.percona.com/t/frequent-sporadic-mysql-server-has-gone-away-errors-with-operator-for-mysql-xtradb-cluster-and-haproxy/37974 "2025-08-15T08:42:17Z")
Description: We are running a Percona Operator for MySQL (XtraDB Cluster) cluster with 3 PXC replicas and 3 HAProxy replicas. This cluster is serving a PHP application that connects using PDO to the \-haprox… [Next page](https://forums.percona.com/c/mysql-mariadb/percona-kubernetes-operator-for-mysql/28.md?page=1)