# Uncategorized **URL:** https://forums.percona.com/c/uncategorized/1.md?page=1 [Latest](https://forums.percona.com/latest.md) · [Categories](https://forums.percona.com/categories.md) · [Tags](https://forums.percona.com/tags.md) **Page:** 2 --- ## [Do we need to manually backup Binlog encryption keys while restoring from a backup](https://forums.percona.com/t/do-we-need-to-manually-backup-binlog-encryption-keys-while-restoring-from-a-backup/40179)
**Author:** [@Yash\_Daga](https://forums.percona.com/u/Yash_Daga)\ **Replies:** 2\ **Last updated:** [February 11, 2026, 6:24pm UTC](https://forums.percona.com/t/do-we-need-to-manually-backup-binlog-encryption-keys-while-restoring-from-a-backup/40179 "2026-02-11T18:24:33Z")
Hi, We are using Percona XtraDB Cluster 8.0.44 and Percona XtraBackup 8.0.35 via the Percona Operator 1.19.0. Our setup uses keyring\_file with both default\_table\_encryption=ON and binlog\_encryption=ON. We use the --tra… --- ## [Best practices for max\_connections and threadsConnected monitoring in PXC 8.0](https://forums.percona.com/t/best-practices-for-max-connections-and-threadsconnected-monitoring-in-pxc-8-0/40052)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 1\ **Last updated:** [January 16, 2026, 11:13pm UTC](https://forums.percona.com/t/best-practices-for-max-connections-and-threadsconnected-monitoring-in-pxc-8-0/40052 "2026-01-16T23:13:15Z")
Hi all, I would like to discuss the impact of high mysql connection counts (threadsConnected) on Percona XtraDB Cluster (PXC) 8.0 health and performance. Let’s assume 5 node cluster (PXC 8.0) including one garbd deamon … --- ## [After enabling Pitr in pxc-operator, what value should binlog\_expire\_logs\_seconds be configured to?](https://forums.percona.com/t/after-enabling-pitr-in-pxc-operator-what-value-should-binlog-expire-logs-seconds-be-configured-to/40010)
**Author:** [@wxc](https://forums.percona.com/u/wxc)\ **Replies:** 1\ **Last updated:** [January 9, 2026, 11:23am UTC](https://forums.percona.com/t/after-enabling-pitr-in-pxc-operator-what-value-should-binlog-expire-logs-seconds-be-configured-to/40010 "2026-01-09T11:23:19Z")
After enabling Pitr in pxc-operator, what value should binlog\_expire\_logs\_seconds be configured to? --- ## [Innodb cluster group\_replication\_recovery. files](https://forums.percona.com/t/innodb-cluster-group-replication-recovery-files/39077)
**Author:** [@parttime](https://forums.percona.com/u/parttime)\ **Replies:** 3\ **Last updated:** [January 5, 2026, 11:22am UTC](https://forums.percona.com/t/innodb-cluster-group-replication-recovery-files/39077 "2026-01-05T11:22:23Z")
Hi, We have mysql innodb cluster, 1 primary 2 secondary.We get this name logs 'relay-bin-group\_replication\_recovery '. What do these logs mean? Can we delete regularly delete? -rw-r----- 1 mysql mysql 362 Aug 6… --- ## [CVEs in fluentbit](https://forums.percona.com/t/cves-in-fluentbit/39901)
**Author:** [@Joe\_R](https://forums.percona.com/u/Joe_R)\ **Replies:** 3\ **Last updated:** [December 30, 2025, 6:18pm UTC](https://forums.percona.com/t/cves-in-fluentbit/39901 "2025-12-30T18:18:14Z")
There are a number of CVEs that seem to trace back to the base image according to the details from a trivy scan: CVE-2025-5914 libarchive CVE-2025-59375 expat CVE-2025-6020 pam CVE-2025-6965 sqlite-libs CVE-20… --- ## [If pxc-operator enables TLS, does the HAProxy pod need to be configured with certificates?](https://forums.percona.com/t/if-pxc-operator-enables-tls-does-the-haproxy-pod-need-to-be-configured-with-certificates/39940)
**Author:** [@wxc](https://forums.percona.com/u/wxc)\ **Replies:** 3\ **Last updated:** [December 29, 2025, 6:14pm UTC](https://forums.percona.com/t/if-pxc-operator-enables-tls-does-the-haproxy-pod-need-to-be-configured-with-certificates/39940 "2025-12-29T18:14:52Z")
If pxc-operator enables TLS, does the HAProxy pod need to be configured with a certificate? How is the HAProxy certificate configured? --- ## [When one PXC restore operation is not completed, other PXC restore operations are blocked. This issue occurs in PXC-operator version 1.13.0. Has the new version fixed this problem?](https://forums.percona.com/t/when-one-pxc-restore-operation-is-not-completed-other-pxc-restore-operations-are-blocked-this-issue-occurs-in-pxc-operator-version-1-13-0-has-the-new-version-fixed-this-problem/39938)
**Author:** [@wxc](https://forums.percona.com/u/wxc)\ **Replies:** 2\ **Last updated:** [December 25, 2025, 8:31am UTC](https://forums.percona.com/t/when-one-pxc-restore-operation-is-not-completed-other-pxc-restore-operations-are-blocked-this-issue-occurs-in-pxc-operator-version-1-13-0-has-the-new-version-fixed-this-problem/39938 "2025-12-25T08:31:34Z")
When one PXC restore operation is not completed, other PXC restore operations are blocked. This issue occurs in PXC-operator version 1.13.0. Has the new version fixed this problem? --- ## [How to run pt-table-sync on two replicas](https://forums.percona.com/t/how-to-run-pt-table-sync-on-two-replicas/39920)
**Author:** [@andryosribeiro](https://forums.percona.com/u/andryosribeiro)\ **Replies:** 3\ **Last updated:** [December 20, 2025, 4:57am UTC](https://forums.percona.com/t/how-to-run-pt-table-sync-on-two-replicas/39920 "2025-12-20T04:57:30Z")
I have one master environment and two slaves. MASTER: 192.168.200.14 SLAVE: 192.168.200.74 SLAVE: 192.168.200.12 I ran pt-table-checksum and noticed a difference in slave 200.74. According to the pt-table-sync manua… --- ## [How is backup consistency guaranteed and checked in PXC?](https://forums.percona.com/t/how-is-backup-consistency-guaranteed-and-checked-in-pxc/39902)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 2\ **Last updated:** [December 17, 2025, 7:56am UTC](https://forums.percona.com/t/how-is-backup-consistency-guaranteed-and-checked-in-pxc/39902 "2025-12-17T07:56:25Z")
Hi there, I would like to learn more about how to verify data consistency in PXC backups. When taking a backup of a running Galera/PXC node (xtrabackup tool), how exactly is consistency verified? Are there specific var… --- ## [Future of Percona MySQL Operators](https://forums.percona.com/t/future-of-percona-mysql-operators/39883)
**Author:** [@reddy\_nishanth](https://forums.percona.com/u/reddy_nishanth)\ **Replies:** 1\ **Last updated:** [December 12, 2025, 4:43pm UTC](https://forums.percona.com/t/future-of-percona-mysql-operators/39883 "2025-12-12T16:43:37Z")
I want to Run MySQL on Kubernetes I’m interested in MySQL Synchronous replication PXC(Galera) and MySQL Group Replication. Given that we’ve two operators, what will the future hold? I can see that, for example, PITR is… --- ## [PXC backup and restore workflow](https://forums.percona.com/t/pxc-backup-and-restore-workflow/39849)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 3\ **Last updated:** [December 8, 2025, 10:23pm UTC](https://forums.percona.com/t/pxc-backup-and-restore-workflow/39849 "2025-12-08T22:23:39Z")
Dear Percona experts, I am looking into Galera Cluster backup and restore procedures and trying to better understand the workflow. I have reviewed the documentation on creating and preparing full backups here: H… --- ## [Please continue to support glibc 2.17](https://forums.percona.com/t/please-continue-to-support-glibc-2-17/39824)
**Author:** [@xyz](https://forums.percona.com/u/xyz)\ **Replies:** 4\ **Last updated:** [December 8, 2025, 2:38am UTC](https://forums.percona.com/t/please-continue-to-support-glibc-2-17/39824 "2025-12-08T02:38:32Z")
The following files were not found: percona-xtrabackup-8.4.0-4-Linux-x86\_64.glibc2.17.tar.gz and percona-xtrabackup-8.4.0-3-Linux-x86\_64.glibc2.17.tar.gz. Please continue to support us.The database server is different fr… --- ## [How to have QAN working with HA PMM and external postgres](https://forums.percona.com/t/how-to-have-qan-working-with-ha-pmm-and-external-postgres/39821)
**Author:** [@rodrigoM](https://forums.percona.com/u/rodrigoM)\ **Replies:** 1\ **Last updated:** [December 2, 2025, 9:08pm UTC](https://forums.percona.com/t/how-to-have-qan-working-with-ha-pmm-and-external-postgres/39821 "2025-12-02T21:08:10Z")
We are looking at deploying the HA PMM route and as well utilizing external PostgreSQL/Victoria metrics. We have a running instance but noticed that the QAN part is not working. Currently we have agents setup for mongo… --- ## [How to/is it possible to change default node\_exporter starting arguments](https://forums.percona.com/t/how-to-is-it-possible-to-change-default-node-exporter-starting-arguments/39778)
**Author:** [@spirodj](https://forums.percona.com/u/spirodj)\ **Replies:** 1\ **Last updated:** [December 1, 2025, 4:19am UTC](https://forums.percona.com/t/how-to-is-it-possible-to-change-default-node-exporter-starting-arguments/39778 "2025-12-01T04:19:32Z")
Hello I’m running pmm-agent on a vm. I need to add/change default node exporter arguments. For example pmm-agent starts node\_exporter with –no-collector.mdadm wich I need to monitor. I also need to enable netdev.addres… --- ## [Pt-table-checksum is not finding 4 differences](https://forums.percona.com/t/pt-table-checksum-is-not-finding-4-differences/39786)
**Author:** [@andryosribeiro](https://forums.percona.com/u/andryosribeiro)\ **Replies:** 1\ **Last updated:** [November 25, 2025, 8:37pm UTC](https://forums.percona.com/t/pt-table-checksum-is-not-finding-4-differences/39786 "2025-11-25T20:37:33Z")
I am testing the pt-table-checksum tool on MySQL 8.0.36 and encountered a “problem.” On the slave, I updated 14,334 records. UPDATE cob\_cobrancaitens SET descricao = ‘Item Partially Updated’, valor = 29.90, valorde… --- ## [Network latency, delays, and related factors](https://forums.percona.com/t/network-latency-delays-and-related-factors/39765)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 1\ **Last updated:** [November 21, 2025, 3:24pm UTC](https://forums.percona.com/t/network-latency-delays-and-related-factors/39765 "2025-11-21T15:24:39Z")
Hi there, I am trying to understand the internal mechanism of how PXC nodes monitor each other, handle network delays, and not responding and dead nodes. I read about the evs parameters, and I would appreciate it if som… --- ## [Memory utilization MariaDB 10.11.13](https://forums.percona.com/t/memory-utilization-mariadb-10-11-13/38863)
**Author:** [@Sergej\_Reginevic](https://forums.percona.com/u/Sergej_Reginevic)\ **Replies:** 7\ **Last updated:** [November 19, 2025, 4:25pm UTC](https://forums.percona.com/t/memory-utilization-mariadb-10-11-13/38863 "2025-11-19T16:25:19Z")
Hello guys, After updating MariaDB to version 10.11.13 we started getting alerts from the server that the memory utilization is high, the MariaDB process takes almost all the memory on the server. By MySQL Calculator, … --- ## [Impact of large write transactions on cluster performance](https://forums.percona.com/t/impact-of-large-write-transactions-on-cluster-performance/39743)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 3\ **Last updated:** [November 18, 2025, 9:56pm UTC](https://forums.percona.com/t/impact-of-large-write-transactions-on-cluster-performance/39743 "2025-11-18T21:56:13Z")
Hello Percona Community, We would like to find guidance on managing large write transactions (MBs/thousands of rows) that are impacting Percona XtraDB Cluster performance. Could you briefly explain the mechanism inside … --- ## [K8s pod for myqsl xtrabackup xbcloud: Upload failed](https://forums.percona.com/t/k8s-pod-for-myqsl-xtrabackup-xbcloud-upload-failed/39583)
**Author:** [@prdmarian](https://forums.percona.com/u/prdmarian)\ **Replies:** 3\ **Last updated:** [November 14, 2025, 9:56am UTC](https://forums.percona.com/t/k8s-pod-for-myqsl-xtrabackup-xbcloud-upload-failed/39583 "2025-11-14T09:56:52Z")
Hello, i have this error in all pods from dev and from prod only some time: 2025-10-19 00:05:55.022 INFO: \[SST script\] 251019 00:05:55 xbcloud: Upload failed. 2025-10-19 00:05:55.022 INFO: \[SST script\] 2025/10/19 00… --- ## [Impact of large write transactions on cluster performance and stability](https://forums.percona.com/t/impact-of-large-write-transactions-on-cluster-performance-and-stability/39716)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 2\ **Last updated:** [November 13, 2025, 10:35pm UTC](https://forums.percona.com/t/impact-of-large-write-transactions-on-cluster-performance-and-stability/39716 "2025-11-13T22:35:44Z")
Hello Percona Community, We would like to describe and understand the impact of large writes (megabytes of data or thousands of rows) submitted as a single transaction, which could severely impact cluster performance an… --- ## [Percona XtraDB Cluster node crash - “Transport endpoint is not connected” and Galera handshake failures](https://forums.percona.com/t/percona-xtradb-cluster-node-crash-transport-endpoint-is-not-connected-and-galera-handshake-failures/39679)
**Author:** [@Rambilas\_Verma](https://forums.percona.com/u/Rambilas_Verma)\ **Replies:** 9\ **Last updated:** [November 11, 2025, 12:24pm UTC](https://forums.percona.com/t/percona-xtradb-cluster-node-crash-transport-endpoint-is-not-connected-and-galera-handshake-failures/39679 "2025-11-11T12:24:40Z")
Description: One of our Percona XtraDB Cluster (PXC) nodes is repeatedly logging Galera-related warnings followed by a crash. The issue starts with multiple “Failed to accept: remote\_endpoint: Transport endpoint is not … --- ## [Handling concurrent writes on multiple nodes without coordination](https://forums.percona.com/t/handling-concurrent-writes-on-multiple-nodes-without-coordination/39708)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 1\ **Last updated:** [November 11, 2025, 1:09am UTC](https://forums.percona.com/t/handling-concurrent-writes-on-multiple-nodes-without-coordination/39708 "2025-11-11T01:09:56Z")
Hi Percona experts, We are seeking guidance on a following issue in Percona XtraDB Cluster. In a multi-master environment like PXC, it might be possible to encounter an issue with concurrent writes on multiple nodes wi… --- ## [How to simulate short lock due to connection exhaustion in PXC during pt-online-schema-change?](https://forums.percona.com/t/how-to-simulate-short-lock-due-to-connection-exhaustion-in-pxc-during-pt-online-schema-change/39645)
**Author:** [@SQLCaesar](https://forums.percona.com/u/SQLCaesar)\ **Replies:** 9\ **Last updated:** [November 10, 2025, 8:47pm UTC](https://forums.percona.com/t/how-to-simulate-short-lock-due-to-connection-exhaustion-in-pxc-during-pt-online-schema-change/39645 "2025-11-10T20:47:20Z")
Hi all, I’m trying to simulate a scenario in Percona XtraDB Cluster (PXC) where a long-running pt-online-schema-change operation encounters a short lock or stall near completion - caused by temporary connection exhausti… --- ## [PBM Restore CMD result succeed, but mongod can not find \*.wt in local dir, in each shard of new MongoDB Sharded Cluster except for config server](https://forums.percona.com/t/pbm-restore-cmd-result-succeed-but-mongod-can-not-find-wt-in-local-dir-in-each-shard-of-new-mongodb-sharded-cluster-except-for-config-server/39581)
**Author:** [@long\_wang](https://forums.percona.com/u/long_wang)\ **Replies:** 2\ **Last updated:** [October 21, 2025, 10:54am UTC](https://forums.percona.com/t/pbm-restore-cmd-result-succeed-but-mongod-can-not-find-wt-in-local-dir-in-each-shard-of-new-mongodb-sharded-cluster-except-for-config-server/39581 "2025-10-21T10:54:25Z")
{"t":{"$date":"2025-10-20T06:00:42.486+00:00"},"s":"E", "c":"WT", "id":22435, "svc":"S", "ctx":"initandlisten","msg":"WiredTiger error message","attr":{"error":2,"message":{"ts\_sec":1760940042,"ts\_usec":486425,"… --- ## [Upgrade to percona 8.4.5 and issue in audit filter](https://forums.percona.com/t/upgrade-to-percona-8-4-5-and-issue-in-audit-filter/39548)
**Author:** [@Shruti14](https://forums.percona.com/u/Shruti14)\ **Replies:** 0\ **Last updated:** [October 13, 2025, 7:41pm UTC](https://forums.percona.com/t/upgrade-to-percona-8-4-5-and-issue-in-audit-filter/39548 "2025-10-13T19:41:09Z")
Hi team, We are testing the audit log filter component for percona 8.4.5 . I have successfully installed component but when i am trying to create this filter: SET @exclude = ‘{ “filter”: { “log”: true, “class… --- ## [Disk usage unaccounted for with binlog files](https://forums.percona.com/t/disk-usage-unaccounted-for-with-binlog-files/39482)
**Author:** [@trevor-ottoconnect](https://forums.percona.com/u/trevor-ottoconnect)\ **Replies:** 1\ **Last updated:** [October 13, 2025, 2:20pm UTC](https://forums.percona.com/t/disk-usage-unaccounted-for-with-binlog-files/39482 "2025-10-13T14:20:00Z")
This is kind of a head scratcher for me, so I’m hoping someone has some suggestions on where to look next to solve a mystery. I have a Percona/MySQL system that ran out of disk space. The data folder is about 35GB, binl… --- ## [Unable to post an issue on JIRA](https://forums.percona.com/t/unable-to-post-an-issue-on-jira/38947)
**Author:** [@hery\_he](https://forums.percona.com/u/hery_he)\ **Replies:** 5\ **Last updated:** [October 10, 2025, 6:58am UTC](https://forums.percona.com/t/unable-to-post-an-issue-on-jira/38947 "2025-10-10T06:58:48Z")
HI Team, I wanted to post an issue on JIRA, unfortunately I got an permission denied. I’ve followed the steps to submit an issue. --- ## [Pmm-data volume not exists](https://forums.percona.com/t/pmm-data-volume-not-exists/39509)
**Author:** [@suman\_8864](https://forums.percona.com/u/suman_8864)\ **Replies:** 7\ **Last updated:** [October 10, 2025, 3:00am UTC](https://forums.percona.com/t/pmm-data-volume-not-exists/39509 "2025-10-10T03:00:47Z")
Hi, We upgraded PMM from version 2.44 to 3.4. After the upgrade, we are unable to see the pmm-data volume in docker status. However, the dashboards and backups are running fine. FYI: \[root@duppmm101 2025-10-08\]# docke… --- ## [PMM Incrementa Backup Size is not correct](https://forums.percona.com/t/pmm-incrementa-backup-size-is-not-correct/39486)
**Author:** [@sumitkumar.gupta](https://forums.percona.com/u/sumitkumar.gupta)\ **Replies:** 3\ **Last updated:** [October 2, 2025, 4:41pm UTC](https://forums.percona.com/t/pmm-incrementa-backup-size-is-not-correct/39486 "2025-10-02T16:41:22Z")
Hi, We are taking daily incremental backup. Base Image side is 2.2TB. Daily incremental images are creating more than 500GB. This is not correct. Our daily data growth is less than 10 GB. Why incremental image size i… --- ## [After upgrading Pmm from 2.44 to 3.4 QAN services went down](https://forums.percona.com/t/after-upgrading-pmm-from-2-44-to-3-4-qan-services-went-down/39446)
**Author:** [@suman\_8864](https://forums.percona.com/u/suman_8864)\ **Replies:** 1\ **Last updated:** [October 2, 2025, 2:42pm UTC](https://forums.percona.com/t/after-upgrading-pmm-from-2-44-to-3-4-qan-services-went-down/39446 "2025-10-02T14:42:32Z")
Hi We upgraded PMM from 2.44 to 3.4 in Rocky9 server, After that all services came up but QAN services went down, Upon checking docker logs identified below error. ”Migrations: Dirty database version 18. Fix and force … [Previous page](https://forums.percona.com/c/uncategorized/1.md) [Next page](https://forums.percona.com/c/uncategorized/1.md?page=2)