# Uncategorized **URL:** https://forums.percona.com/c/uncategorized/1.md [Latest](https://forums.percona.com/latest.md) · [Categories](https://forums.percona.com/categories.md) · [Tags](https://forums.percona.com/tags.md) --- ## [About the Uncategorized category](https://forums.percona.com/t/about-the-uncategorized-category/34271)
**Author:** [@system](https://forums.percona.com/u/system)\ **Replies:** 0
--- ## [Auth failures when attempting to register PMM client](https://forums.percona.com/t/auth-failures-when-attempting-to-register-pmm-client/41189)
**Author:** [@Twilightzer0](https://forums.percona.com/u/Twilightzer0)\ **Replies:** 11\ **Last updated:** [September 21, 2026, 9:29pm UTC](https://forums.percona.com/t/auth-failures-when-attempting-to-register-pmm-client/41189 "2026-09-21T21:29:25Z")
We’ve recently installed an upgrade from PMM to PMM 3.8.0 and I’m having issues registering any clients with the new server. No matter what I put for the auth string in “pmm-admin config” it fails with: \[root@dv1medp… --- ## [Reaching for pg\_repack, pg\_squeeze, or VACUUM FULL first is usually the wrong move , change my mind](https://forums.percona.com/t/reaching-for-pg-repack-pg-squeeze-or-vacuum-full-first-is-usually-the-wrong-move-change-my-mind/41251)
**Author:** [@Dba1](https://forums.percona.com/u/Dba1)\ **Replies:** 2\ **Last updated:** [September 9, 2026, 7:13am UTC](https://forums.percona.com/t/reaching-for-pg-repack-pg-squeeze-or-vacuum-full-first-is-usually-the-wrong-move-change-my-mind/41251 "2026-09-09T07:13:06Z")
Reclaiming disk space when you’re already out of disk space ; what’s the right order of operations? This comes up often enough that I want to hear how others actually handle it, because the standard advice has a chicken… --- ## [How to skip select or all read operation in audit\_log\_filter in percona 8.4](https://forums.percona.com/t/how-to-skip-select-or-all-read-operation-in-audit-log-filter-in-percona-8-4/37956)
**Author:** [@redssr](https://forums.percona.com/u/redssr)\ **Replies:** 5\ **Last updated:** [August 25, 2026, 3:29pm UTC](https://forums.percona.com/t/how-to-skip-select-or-all-read-operation-in-audit-log-filter-in-percona-8-4/37956 "2026-08-25T15:29:17Z")
Dear Friends, Hope you are all doing well, like as of always, i need some help from you experts. I am trying to create a filter in percona MySQL 8.4 to log only ddl and dml activities but somehow its logging all the ev… --- ## [Should we enable pgsm\_normalized\_query or not? — Missing QAN examples on PMM 3.8.1](https://forums.percona.com/t/should-we-enable-pgsm-normalized-query-or-not-missing-qan-examples-on-pmm-3-8-1/41110)
**Author:** [@Naresh9999](https://forums.percona.com/u/Naresh9999)\ **Replies:** 8\ **Last updated:** [August 23, 2026, 7:58pm UTC](https://forums.percona.com/t/should-we-enable-pgsm-normalized-query-or-not-missing-qan-examples-on-pmm-3-8-1/41110 "2026-08-23T19:58:44Z")
Hi team, Following up on this earlier thread: No query examples in PMM QAN with pg\_stat\_monitor normalized queries enabled We’re on PMM 3.8.1 monitoring PostgreSQL with pg\_stat\_monitor, and confirmed the same behavior:… --- ## [PostgreSQL Removing control characters from a string](https://forums.percona.com/t/postgresql-removing-control-characters-from-a-string/41073)
**Author:** [@jruffer](https://forums.percona.com/u/jruffer)\ **Replies:** 8\ **Last updated:** [August 7, 2026, 1:34pm UTC](https://forums.percona.com/t/postgresql-removing-control-characters-from-a-string/41073 "2026-08-07T13:34:34Z")
PostgreSQL We have some bytea columns that contain various control characters including nulls. How can I remove them? replace(column,CHR(0)," ") comes back with ERROR: null character not permitted. regexp\_replace(col… --- ## [PMM Server upgrade fails with "Internal server error" during 3.4.0 → 3.9.0 update](https://forums.percona.com/t/pmm-server-upgrade-fails-with-internal-server-error-during-3-4-0-3-9-0-update/41115)
**Author:** [@Naresh9999](https://forums.percona.com/u/Naresh9999)\ **Replies:** 2\ **Last updated:** [August 3, 2026, 5:01am UTC](https://forums.percona.com/t/pmm-server-upgrade-fails-with-internal-server-error-during-3-4-0-3-9-0-update/41115 "2026-08-03T05:01:47Z")
Environment: PMM Server current version: 3.4.0 (September 8, 2025) Target update version: 3.9.0 (July 30, 2026) Update method: In-UI update via “Update now” (Step 1 of 2: Update PMM Server) Deployment type: \[Docker / O… --- ## [MySQL 5.7 (Percona) — InnoDB RSS 75GB on 78GB server, 19GB unaccounted nr+sd mmap regions](https://forums.percona.com/t/mysql-5-7-percona-innodb-rss-75gb-on-78gb-server-19gb-unaccounted-nr-sd-mmap-regions/40986)
**Author:** [@sachin\_japate](https://forums.percona.com/u/sachin_japate)\ **Replies:** 2\ **Last updated:** [July 28, 2026, 3:02am UTC](https://forums.percona.com/t/mysql-5-7-percona-innodb-rss-75gb-on-78gb-server-19gb-unaccounted-nr-sd-mmap-regions/40986 "2026-07-28T03:02:59Z")
Environment OS: Debian GNU/Linux 11 (bullseye) Kernel: Linux (glibc 2.31-13+deb11u7) CPU cores: 16 Total RAM: 78 GB Swap: None MySQL: Percona Server 5.7.39-42-log Up… --- ## [PMM Query Analytics Support for EDB Postgres Advanced Server (EPAS) 17/18](https://forums.percona.com/t/pmm-query-analytics-support-for-edb-postgres-advanced-server-epas-17-18/40900)
**Author:** [@Ly\_Kimmeng](https://forums.percona.com/u/Ly_Kimmeng)\ **Replies:** 1\ **Last updated:** [July 28, 2026, 2:03am UTC](https://forums.percona.com/t/pmm-query-analytics-support-for-edb-postgres-advanced-server-epas-17-18/40900 "2026-07-28T02:03:50Z")
Title: PMM Query Analytics Support for EDB Postgres Advanced Server (EPAS) 17/18 Hi Percona Team, We are planning to integrate EDB Postgres Advanced Server (EPAS) 17/18 with PMM and would like to understand the support… --- ## [Transaction visibility metadata corruption pg12](https://forums.percona.com/t/transaction-visibility-metadata-corruption-pg12/41072)
**Author:** [@VigneshMurugan](https://forums.percona.com/u/VigneshMurugan)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 3:06pm UTC](https://forums.percona.com/t/transaction-visibility-metadata-corruption-pg12/41072 "2026-07-17T15:06:31Z")
Hi Experts, We are experiencing what appears to be transaction visibility metadata corruption in a PostgreSQL 12 database. Accessing a specific row consistently fails with an error indicating PostgreSQL cannot access t… --- ## [Need Advice on Disk Space Cleanup for PMM Server 2.x (Docker)](https://forums.percona.com/t/need-advice-on-disk-space-cleanup-for-pmm-server-2-x-docker/40874)
**Author:** [@Ly\_Kimmeng](https://forums.percona.com/u/Ly_Kimmeng)\ **Replies:** 3\ **Last updated:** [July 15, 2026, 1:34pm UTC](https://forums.percona.com/t/need-advice-on-disk-space-cleanup-for-pmm-server-2-x-docker/40874 "2026-07-15T13:34:44Z")
Hi PMM Community, We are running PMM Server 2.x in Docker on RHEL and noticed that the PMM data volume has grown significantly over time. Current environment: PMM Server: 2.x (Docker deployment) Docker image: percona… --- ## [Unable to create a Percona Server bug in Jira due to permission error](https://forums.percona.com/t/unable-to-create-a-percona-server-bug-in-jira-due-to-permission-error/41025)
**Author:** [@xxniu](https://forums.percona.com/u/xxniu)\ **Replies:** 2\ **Last updated:** [July 14, 2026, 11:14am UTC](https://forums.percona.com/t/unable-to-create-a-percona-server-bug-in-jira-due-to-permission-error/41025 "2026-07-14T11:14:11Z")
Hi Percona team, I am trying to report a bug for Percona Server for MySQL in Percona Jira. When I click Create, Jira shows the following error: “You do not have permission to perform this action. Please log in.” I… --- ## [How to Enable QAN permissions for service accounts in PMM](https://forums.percona.com/t/how-to-enable-qan-permissions-for-service-accounts-in-pmm/41022)
**Author:** [@ulka01](https://forums.percona.com/u/ulka01)\ **Replies:** 7\ **Last updated:** [July 8, 2026, 1:27pm UTC](https://forums.percona.com/t/how-to-enable-qan-permissions-for-service-accounts-in-pmm/41022 "2026-07-08T13:27:09Z")
I have created a service account on pmm server using UI. Generated a token for this service account, and now want to use the API using token to fetch queres. curl -H “Authorization: Bearer token\_xxxxxx” “https://pmm-pr… --- ## [Percona xtrabackup libgcrypt error: integrity check failed: checksum error](https://forums.percona.com/t/percona-xtrabackup-libgcrypt-error-integrity-check-failed-checksum-error/40930)
**Author:** [@pkm2112](https://forums.percona.com/u/pkm2112)\ **Replies:** 3\ **Last updated:** [June 25, 2026, 9:45am UTC](https://forums.percona.com/t/percona-xtrabackup-libgcrypt-error-integrity-check-failed-checksum-error/40930 "2026-06-25T09:45:24Z")
Dear Experts When xtradb cluster(8.4.6) instance starts up , which is part of systemd auto startup I see following errors Jun 18 19:19:22 vm2rhel96 xtrabackup\[3121\]: Libgcrypt error: integrity check failed: Checksum er… --- ## [Keycloak - MongoDB - database admin user configuration](https://forums.percona.com/t/keycloak-mongodb-database-admin-user-configuration/40813)
**Author:** [@nitu](https://forums.percona.com/u/nitu)\ **Replies:** 4\ **Last updated:** [May 21, 2026, 3:19pm UTC](https://forums.percona.com/t/keycloak-mongodb-database-admin-user-configuration/40813 "2026-05-21T15:19:57Z")
Hello, I need some Percona information on how to configure a MongoDB database admin user on keycloak in a technical environment consisting of a Kubernet cluster hosting the MongoDb and the Keycloak Pods. I would like … --- ## [How to Reclaim Disk Space on PMM 2 Docker Deployment (RHEL)](https://forums.percona.com/t/how-to-reclaim-disk-space-on-pmm-2-docker-deployment-rhel/40827)
**Author:** [@Ly\_Kimmeng](https://forums.percona.com/u/Ly_Kimmeng)\ **Replies:** 2\ **Last updated:** [May 21, 2026, 9:24am UTC](https://forums.percona.com/t/how-to-reclaim-disk-space-on-pmm-2-docker-deployment-rhel/40827 "2026-05-21T09:24:29Z")
Hi Team, We are currently using PMM Server 2 deployed on Docker in a RHEL Linux environment. Recently, we noticed that the disk usage on the PMM server has been growing continuously and is starting to consume a large a… --- ## [Cluster crash without auto recovery after SST transfer](https://forums.percona.com/t/cluster-crash-without-auto-recovery-after-sst-transfer/40749)
**Author:** [@Yash\_Daga](https://forums.percona.com/u/Yash_Daga)\ **Replies:** 6\ **Last updated:** [May 21, 2026, 7:04am UTC](https://forums.percona.com/t/cluster-crash-without-auto-recovery-after-sst-transfer/40749 "2026-05-21T07:04:57Z")
Setup: 3 node percona pxc cluster on k8s with the following percona images Operator: 1.19.0 Cluster: 8.0.42-33.1 Xtrabackup: 8.0.35-34.1 I performed the following test: Bring down pxc-2 for sufficiently long time … --- ## [XtraBackup Restore Issue – Database Not Recognized but mysqldump Works](https://forums.percona.com/t/xtrabackup-restore-issue-database-not-recognized-but-mysqldump-works/40621)
**Author:** [@viswanatha](https://forums.percona.com/u/viswanatha)\ **Replies:** 41\ **Last updated:** [May 13, 2026, 12:12pm UTC](https://forums.percona.com/t/xtrabackup-restore-issue-database-not-recognized-but-mysqldump-works/40621 "2026-05-13T12:12:36Z")
Subject: XtraBackup Restore Issue – Database Not Recognized but mysqldump Works Environment: Backup Server: OS: Ubuntu 20.04.6 LTS MySQL Version: 8.0.42 XtraBackup Version: 8.0.35-32 Datadir: /data/mysql … --- ## [Percona ldap authentication](https://forums.percona.com/t/percona-ldap-authentication/30495)
**Author:** [@Manilal\_Ramanujan](https://forums.percona.com/u/Manilal_Ramanujan)\ **Replies:** 1\ **Last updated:** [May 5, 2026, 4:54am UTC](https://forums.percona.com/t/percona-ldap-authentication/30495 "2026-05-05T04:54:29Z")
CREATE USER ‘manilal\_cfn’@‘localhost’ IDENTIFIED WITH authentication\_ldap\_simple BY ‘uid=manilal\_cfn,dc=idm,dc=genasys,dc=sandbox’; The Percona MySQL Docker container has been successfully set up. However, I would like … --- ## [While restoring pmm 3.4 data getting permission errors](https://forums.percona.com/t/while-restoring-pmm-3-4-data-getting-permission-errors/39545)
**Author:** [@suman\_8864](https://forums.percona.com/u/suman_8864)\ **Replies:** 1\ **Last updated:** [May 5, 2026, 4:29am UTC](https://forums.percona.com/t/while-restoring-pmm-3-4-data-getting-permission-errors/39545 "2026-05-05T04:29:20Z")
Hi, Server1 is running PMM 3.4.0, and Server2 has also been installed with PMM 3.4.0.We are attempting to restore the PMM 3.4.0 backup from Server1 onto Server2. However, during the restoration process, we are encounte… --- ## [PMM2 Admin Password Change](https://forums.percona.com/t/pmm2-admin-password-change/40718)
**Author:** [@Ly\_Kimmeng1](https://forums.percona.com/u/Ly_Kimmeng1)\ **Replies:** 1\ **Last updated:** [April 28, 2026, 1:42am UTC](https://forums.percona.com/t/pmm2-admin-password-change/40718 "2026-04-28T01:42:33Z")
Dear team, May I ask if changing the admin password on PMM2 will impact the clients that are already registered? If it does have an impact, what steps should we take? If not, could you please advise on how to change th… --- ## [Certified image question regarding Mongodb](https://forums.percona.com/t/certified-image-question-regarding-mongodb/40643)
**Author:** [@Michael\_Shield](https://forums.percona.com/u/Michael_Shield)\ **Replies:** 2\ **Last updated:** [April 20, 2026, 7:20pm UTC](https://forums.percona.com/t/certified-image-question-regarding-mongodb/40643 "2026-04-20T19:20:59Z")
Hi, I think I now understand why altering our kubernetes mongodb setup to not point at a Bitnami image - bitnami/mongodb-exporter:0.32.0 didn’t work, even though it can be found in the Percona repo. As it’s not in the … --- ## [MySQL table data count mismatch post DB restoration via xtrabackup 8.4](https://forums.percona.com/t/mysql-table-data-count-mismatch-post-db-restoration-via-xtrabackup-8-4/40646)
**Author:** [@Rahul93](https://forums.percona.com/u/Rahul93)\ **Replies:** 4\ **Last updated:** [April 20, 2026, 1:39pm UTC](https://forums.percona.com/t/mysql-table-data-count-mismatch-post-db-restoration-via-xtrabackup-8-4/40646 "2026-04-20T13:39:19Z")
Hi Everyone, We performed a backup and restoration of a MySQL 8.4 database using XtraBackup 8.4. During the backup process, the application was stopped, meaning no changes were made to the database. After the restorati… --- ## [Cannot use external kerberos authentication to login to persona mysql](https://forums.percona.com/t/cannot-use-external-kerberos-authentication-to-login-to-persona-mysql/40162)
**Author:** [@Chanakya](https://forums.percona.com/u/Chanakya)\ **Replies:** 1\ **Last updated:** [April 16, 2026, 1:55am UTC](https://forums.percona.com/t/cannot-use-external-kerberos-authentication-to-login-to-persona-mysql/40162 "2026-04-16T01:55:55Z")
Description 1. We have set up a mysql database to allow kerberos authentication using pam\_krb5 auth module. 2. User has been created in the mysql database. 3.We are unable to login after initializing the principal on t… --- ## [Does Percona MyRocks Support BlobDB?](https://forums.percona.com/t/does-percona-myrocks-support-blobdb/40557)
**Author:** [@dai\_sharep](https://forums.percona.com/u/dai_sharep)\ **Replies:** 1\ **Last updated:** [April 2, 2026, 8:41pm UTC](https://forums.percona.com/t/does-percona-myrocks-support-blobdb/40557 "2026-04-02T20:41:39Z")
Which version of Percona MySQL RocksDB supports the BlobDB key-value separation feature, and how do I enable it? I’ve tried many methods but none of them work. Thank you! --- ## [PXC node crashes during SST with "Will never receive state. Need to abort." consistently at ~8-10 minutes](https://forums.percona.com/t/pxc-node-crashes-during-sst-with-will-never-receive-state-need-to-abort-consistently-at-8-10-minutes/40406)
**Author:** [@Yash\_Daga](https://forums.percona.com/u/Yash_Daga)\ **Replies:** 1\ **Last updated:** [March 30, 2026, 3:11pm UTC](https://forums.percona.com/t/pxc-node-crashes-during-sst-with-will-never-receive-state-need-to-abort-consistently-at-8-10-minutes/40406 "2026-03-30T15:11:20Z")
We’re running PXC Operator v1.19.0 with PXC 8.0.42-33.1 on Kubernetes (3-node cluster, ~580 GB dataset, zstd SST compression). When a node needs SST, it fails consistently after ~8 minutes of streaming. This happened 6+ … --- ## [Percona-release missing from Debian Trixie prel repository](https://forums.percona.com/t/percona-release-missing-from-debian-trixie-prel-repository/40379)
**Author:** [@tds](https://forums.percona.com/u/tds)\ **Replies:** 1\ **Last updated:** [March 20, 2026, 7:21am UTC](https://forums.percona.com/t/percona-release-missing-from-debian-trixie-prel-repository/40379 "2026-03-20T07:21:22Z")
The percona-release package appears to be missing from the prel repository on Debian Trixie. This means the package won’t be updated automatically, and also gets picked up as a package that’s not in a repository, eg with… --- ## [Missing apt repos for debian 13 (Trixie)](https://forums.percona.com/t/missing-apt-repos-for-debian-13-trixie/40082)
**Author:** [@Jan\_Vansteenkiste](https://forums.percona.com/u/Jan_Vansteenkiste)\ **Replies:** 6\ **Last updated:** [February 25, 2026, 3:05pm UTC](https://forums.percona.com/t/missing-apt-repos-for-debian-13-trixie/40082 "2026-02-25T15:05:12Z")
Looks like there are packages, but the apt repos are still missing trixie. --- ## [Unable to create bug from https://perconadev.atlassian.net/jira/projects](https://forums.percona.com/t/unable-to-create-bug-from-https-perconadev-atlassian-net-jira-projects/40224)
**Author:** [@Lalit\_Choudhary](https://forums.percona.com/u/Lalit_Choudhary)\ **Replies:** 4\ **Last updated:** [February 18, 2026, 5:18am UTC](https://forums.percona.com/t/unable-to-create-bug-from-https-perconadev-atlassian-net-jira-projects/40224 "2026-02-18T05:18:19Z")
clicking on create doesn’t work , no error , tried from with different browsers and laptop same issue. login -relogin still not working --- ## [Percona Operator - Adding external DNS entries for each PXC node](https://forums.percona.com/t/percona-operator-adding-external-dns-entries-for-each-pxc-node/16207)
**Author:** [@Arun\_Viswanath](https://forums.percona.com/u/Arun_Viswanath)\ **Replies:** 5\ **Last updated:** [February 17, 2026, 8:40am UTC](https://forums.percona.com/t/percona-operator-adding-external-dns-entries-for-each-pxc-node/16207 "2026-02-17T08:40:49Z")
Hi, I’m using percona operator to bring up 3 nodes PXC Mysql DB, and I’m setting expose to “true” to expose the IP of each node via Metallb Loadbalancer. I need this each node IP to get added to my powerDNS for which I … [Next page](https://forums.percona.com/c/uncategorized/1.md?page=1)