# PMM 3.x **URL:** https://forums.percona.com/c/percona-monitoring-and-management-pmm/pmm-3/84.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 --- ## [PMM cannot restore MySQL backup data](https://forums.percona.com/t/pmm-cannot-restore-mysql-backup-data/39981)
**Author:** [@hey](https://forums.percona.com/u/hey)\ **Replies:** 1\ **Last updated:** [March 4, 2026, 8:04am UTC](https://forums.percona.com/t/pmm-cannot-restore-mysql-backup-data/39981 "2026-03-04T08:04:18Z")
Hello, first, allow me to outline my current service setup. I have created the following containers on the same server using Docker: pmm-server, pmm-client, MySQL (8.0.35), and minio-server. After setting up these servic… --- ## [Pmm3.5 & proxysql\_exporter error due to caching\_sha2\_password auth](https://forums.percona.com/t/pmm3-5-proxysql-exporter-error-due-to-caching-sha2-password-auth/40191)
**Author:** [@Lalit\_Choudhary](https://forums.percona.com/u/Lalit_Choudhary)\ **Replies:** 2\ **Last updated:** [February 22, 2026, 9:43am UTC](https://forums.percona.com/t/pmm3-5-proxysql-exporter-error-due-to-caching-sha2-password-auth/40191 "2026-02-22T09:43:03Z")
Issue: PMM proxysql\_exporter monitoring not working with pxc operator proxysql scheduler. Using pxc-operator 1.19 with ProxySQL , pxc 8.4 , monitor use auth\_plugin “caching\_sha2\_password” proxysql version: pmm 3.5 … --- ## [Enable Real Client IP Visibility in Percona PostgreSQL Behind HAProxy](https://forums.percona.com/t/enable-real-client-ip-visibility-in-percona-postgresql-behind-haproxy/40130)
**Author:** [@ashishpilania18](https://forums.percona.com/u/ashishpilania18)\ **Replies:** 1\ **Last updated:** [February 20, 2026, 4:39pm UTC](https://forums.percona.com/t/enable-real-client-ip-visibility-in-percona-postgresql-behind-haproxy/40130 "2026-02-20T16:39:08Z")
Issue Summary We have a Percona PostgreSQL cluster deployed behind HAProxy for load-balancing and high availability. Currently, PostgreSQL logs and pg\_stat\_activity only show the HAProxy IP as the client address instead… --- ## [Monitoring ProxySQL for PostgreSQL](https://forums.percona.com/t/monitoring-proxysql-for-postgresql/40221)
**Author:** [@shigaev.s](https://forums.percona.com/u/shigaev.s)\ **Replies:** 2\ **Last updated:** [February 17, 2026, 8:19am UTC](https://forums.percona.com/t/monitoring-proxysql-for-postgresql/40221 "2026-02-17T08:19:06Z")
Hello! I’m testing the new release of ProxySQL 3.0.5 for PostgreSQL 15. pmm-client 3.6.0-7 installed. I really miss ProxySQL monitoring for PostgreSQL, similar to MySQL. Currently, I’m manually monitoring statistics … --- ## [How to monitor Patroni metrics by PMM3.5.0，percona patroni 4.1.0](https://forums.percona.com/t/how-to-monitor-patroni-metrics-by-pmm3-5-0-percona-patroni-4-1-0/40178)
**Author:** [@jollogn](https://forums.percona.com/u/jollogn)\ **Replies:** 1\ **Last updated:** [February 16, 2026, 2:14pm UTC](https://forums.percona.com/t/how-to-monitor-patroni-metrics-by-pmm3-5-0-percona-patroni-4-1-0/40178 "2026-02-16T14:14:53Z")
I have add service by http://localhost:8008/metrics,but monitoring always failed. Also,/metrics doesn’t even have cluster member information, is there any solution? --- ## [How to set the default interval to 15 minutes for all users and switch to manual metrics refresh in Grafana PMM?](https://forums.percona.com/t/how-to-set-the-default-interval-to-15-minutes-for-all-users-and-switch-to-manual-metrics-refresh-in-grafana-pmm/40186)
**Author:** [@ANDiv1976](https://forums.percona.com/u/ANDiv1976)\ **Replies:** 2\ **Last updated:** [February 11, 2026, 6:45am UTC](https://forums.percona.com/t/how-to-set-the-default-interval-to-15-minutes-for-all-users-and-switch-to-manual-metrics-refresh-in-grafana-pmm/40186 "2026-02-11T06:45:43Z")
Hi! Percona Monitoring and Manager is connected to about 130 hosts and approximately 150 PostgreSQL services. A very large number of metrics arrive over 12 hours. By default, in the PMM Grafana, the setting is for the l… --- ## [Insufficient access permissions error after upgrade to pmm 3.5.0](https://forums.percona.com/t/insufficient-access-permissions-error-after-upgrade-to-pmm-3-5-0/39783)
**Author:** [@Marvin\_Stelter](https://forums.percona.com/u/Marvin_Stelter)\ **Replies:** 8\ **Last updated:** [February 9, 2026, 9:12am UTC](https://forums.percona.com/t/insufficient-access-permissions-error-after-upgrade-to-pmm-3-5-0/39783 "2026-02-09T09:12:31Z")
Hi! PMM was automatically updated to version 3.5.0. After the upgrade, the dashboard was not accessible — we only saw the “Upgrade in progress” screen. After restarting, the dashboard became accessible again, but both F… --- ## [Get-pmm.sh Script PMM2 to 3 upgrade not working](https://forums.percona.com/t/get-pmm-sh-script-pmm2-to-3-upgrade-not-working/40118)
**Author:** [@Jimmy\_Chen](https://forums.percona.com/u/Jimmy_Chen)\ **Replies:** 14\ **Last updated:** [February 6, 2026, 11:53pm UTC](https://forums.percona.com/t/get-pmm-sh-script-pmm2-to-3-upgrade-not-working/40118 "2026-02-06T23:53:39Z")
I’m trying to follow the documentation on Migrate PMM 2 to PMM 3 - Percona Monitoring and Management to migrate from PMM2 to 3. However, the script get-pmm.sh is not working. It is attempting to create a Docker volume to… --- ## [Pmm3 can connect to database, throws pg\_hba error on pt-pg-summary](https://forums.percona.com/t/pmm3-can-connect-to-database-throws-pg-hba-error-on-pt-pg-summary/37908)
**Author:** [@yngmntr](https://forums.percona.com/u/yngmntr)\ **Replies:** 3\ **Last updated:** [February 3, 2026, 11:00am UTC](https://forums.percona.com/t/pmm3-can-connect-to-database-throws-pg-hba-error-on-pt-pg-summary/37908 "2026-02-03T11:00:34Z")
Hi, I have a pmm3.1 server that monitors a couple of Azure Flexible Server for Postgresql instances, looking at the ‘PostgreSQL Instance Summary’ Dashboard i can see live data, but opening the service-summary pane (that… --- ## [Request to upgrade VictoriaMetrics in PMM to v1.133.0 or later (per-partition index support)](https://forums.percona.com/t/request-to-upgrade-victoriametrics-in-pmm-to-v1-133-0-or-later-per-partition-index-support/40124)
**Author:** [@hyunyoungjung](https://forums.percona.com/u/hyunyoungjung)\ **Replies:** 3\ **Last updated:** [January 29, 2026, 10:39pm UTC](https://forums.percona.com/t/request-to-upgrade-victoriametrics-in-pmm-to-v1-133-0-or-later-per-partition-index-support/40124 "2026-01-29T22:39:18Z")
Summary We are running PMM 3 (Percona Monitoring and Management) to monitor MySQL instances. Since December 18, 2025, we have been experiencing abnormal growth of VictoriaMetrics indexdb, which leads to high disk usage… --- ## [Metrics Retention Not Working as Expected in PMM Server 3.1.0 on Kubernetes](https://forums.percona.com/t/metrics-retention-not-working-as-expected-in-pmm-server-3-1-0-on-kubernetes/38282)
**Author:** [@Arul\_Deepan\_Anbumani](https://forums.percona.com/u/Arul_Deepan_Anbumani)\ **Replies:** 1\ **Last updated:** [January 23, 2026, 1:43am UTC](https://forums.percona.com/t/metrics-retention-not-working-as-expected-in-pmm-server-3-1-0-on-kubernetes/38282 "2026-01-23T01:43:09Z")
We’re running PMM Server v3.1.0 deployed in Kubernetes using the official Helm chart. As part of our configuration, we’ve explicitly set the following in our Helm values to retain metrics for 90 days pmmEnv: DATA\_RETE… --- ## [MariaDB: slow stored procedures, performance schema vs slow log](https://forums.percona.com/t/mariadb-slow-stored-procedures-performance-schema-vs-slow-log/40021)
**Author:** [@laund](https://forums.percona.com/u/laund)\ **Replies:** 6\ **Last updated:** [January 13, 2026, 10:29pm UTC](https://forums.percona.com/t/mariadb-slow-stored-procedures-performance-schema-vs-slow-log/40021 "2026-01-13T22:29:34Z")
Heyo! I’ve been using PMM to find and resolve performance issues, and i’m running into a slight hurdle: QAN shows that some stored procedures are quite slow. Now, i know its entirely possible to find out why its slow wi… --- ## [Installation pmm server 3 on k8s not successful](https://forums.percona.com/t/installation-pmm-server-3-on-k8s-not-successful/39950)
**Author:** [@alexst](https://forums.percona.com/u/alexst)\ **Replies:** 5\ **Last updated:** [December 31, 2025, 10:14am UTC](https://forums.percona.com/t/installation-pmm-server-3-on-k8s-not-successful/39950 "2025-12-31T10:14:30Z")
I installed pmm server3 on k8s v. 1.27 via helm chart. when i check logs ,i get k logs pmm-0 2025-12-29 10:31:15,086 INFO exited: qan-api2 (exit status 1; not expected) 2025-12-29 10:31:15,125 INFO exited: postgresql… --- ## [Why was the query not captured in PMM?](https://forums.percona.com/t/why-was-the-query-not-captured-in-pmm/39922)
**Author:** [@ANDiv1976](https://forums.percona.com/u/ANDiv1976)\ **Replies:** 5\ **Last updated:** [December 29, 2025, 9:37am UTC](https://forums.percona.com/t/why-was-the-query-not-captured-in-pmm/39922 "2025-12-29T09:37:55Z")
The server is running PostgreSQL version 14 with the pg\_stat\_statements and pg\_profile extensions installed. Pg\_profile snapshots are created hourly at minute 00. A query was started at 00:05 and completed at 04:23. T… --- ## [Pmm 3 and sqlserver](https://forums.percona.com/t/pmm-3-and-sqlserver/39878)
**Author:** [@Bobleponge](https://forums.percona.com/u/Bobleponge)\ **Replies:** 1\ **Last updated:** [December 12, 2025, 9:21pm UTC](https://forums.percona.com/t/pmm-3-and-sqlserver/39878 "2025-12-12T21:21:30Z")
Hello, I would like to monitor some mssql databases in PMM. I installed an exporter: awaragi/prometheus-mssql-exporter and can access to the metrics of my mssql db : http://vtldtbpmm101:9187/metrics Is there a way to… --- ## [If you're seeing this Grafana has failed to load its application files](https://forums.percona.com/t/if-youre-seeing-this-grafana-has-failed-to-load-its-application-files/39872)
**Author:** [@Bobleponge](https://forums.percona.com/u/Bobleponge)\ **Replies:** 2\ **Last updated:** [December 11, 2025, 1:26pm UTC](https://forums.percona.com/t/if-youre-seeing-this-grafana-has-failed-to-load-its-application-files/39872 "2025-12-11T13:26:47Z")
Hello, When installing with docker V3 I get the following error when trying to reach grafana : If you’re seeing this Grafana has failed to load its application file I use pmm v2 it works well but not v3. On rocky 9.5… --- ## [PMM3 postgres on Read only =\> pg\_custom\_replication\_wal pq: recovery is in progress](https://forums.percona.com/t/pmm3-postgres-on-read-only-pg-custom-replication-wal-pq-recovery-is-in-progress/38681)
**Author:** [@bart.schelstraete](https://forums.percona.com/u/bart.schelstraete)\ **Replies:** 6\ **Last updated:** [December 11, 2025, 9:45am UTC](https://forums.percona.com/t/pmm3-postgres-on-read-only-pg-custom-replication-wal-pq-recovery-is-in-progress/38681 "2025-12-11T09:45:45Z")
Since the last version, our syslog is being spammed on read only postgres slaves: Jul 15 10:15:59 pmm-agent\[2743907\]: time=“2025-07-15T10:15:59.975+01:00” level=error msg=“ts=2025-07-15T09:15:59.974Z caller=server.go:1… --- ## [Pg\_stat\_monitor 2.2 - Collapsing similar queries](https://forums.percona.com/t/pg-stat-monitor-2-2-collapsing-similar-queries/39763)
**Author:** [@ANDiv1976](https://forums.percona.com/u/ANDiv1976)\ **Replies:** 5\ **Last updated:** [November 25, 2025, 3:24pm UTC](https://forums.percona.com/t/pg-stat-monitor-2-2-collapsing-similar-queries/39763 "2025-11-25T15:24:14Z")
Why doesn’t pg\_stat\_monitor 2.2 collapse such similar queries? Under high TPS, all buckets get filled with identical queries. As a result, it starts consuming more shared memory. It can collapse similar queries. In pg\_s… --- ## [Errors in collecting metrics under high database load](https://forums.percona.com/t/errors-in-collecting-metrics-under-high-database-load/39688)
**Author:** [@ANDiv1976](https://forums.percona.com/u/ANDiv1976)\ **Replies:** 2\ **Last updated:** [November 17, 2025, 1:54pm UTC](https://forums.percona.com/t/errors-in-collecting-metrics-under-high-database-load/39688 "2025-11-17T13:54:08Z")
Hello! I installed PMM server version 3. On a highly loaded test server running PostgreSQL version 14, I installed the PMM agent version 3 and pg\_stat\_monitor 2.2. Metrics are being received. Agent settings: pg\_stat\_m… --- ## [Disable sending messages to the client side](https://forums.percona.com/t/disable-sending-messages-to-the-client-side/39698)
**Author:** [@ANDiv1976](https://forums.percona.com/u/ANDiv1976)\ **Replies:** 2\ **Last updated:** [November 14, 2025, 12:49pm UTC](https://forums.percona.com/t/disable-sending-messages-to-the-client-side/39698 "2025-11-14T12:49:16Z")
How can I disable sending unnecessary messages from pg\_stat\_monitor to the client side? We configured pg\_stat\_monitor.pgsm\_max to limit shared memory consumption. And if the buffer doesn’t free up in time, the following … --- ## [Rootless podman based pmm server ver 3.4.1 remains unhealthy](https://forums.percona.com/t/rootless-podman-based-pmm-server-ver-3-4-1-remains-unhealthy/39704)
**Author:** [@amod\_kakade](https://forums.percona.com/u/amod_kakade)\ **Replies:** 14\ **Last updated:** [November 13, 2025, 4:59am UTC](https://forums.percona.com/t/rootless-podman-based-pmm-server-ver-3-4-1-remains-unhealthy/39704 "2025-11-13T04:59:01Z")
Hi WHen I try to startup PMM server container ver 3.4.1 on OL9 the container status remains unhealthy. There are no further errors. The container startup is success. pmm-admin status also is clean. Appreciate help podm… --- ## [Are pmm-agents v3 compatible with pmm-server v2 (2.44.0)?](https://forums.percona.com/t/are-pmm-agents-v3-compatible-with-pmm-server-v2-2-44-0/39705)
**Author:** [@ddkozyreva](https://forums.percona.com/u/ddkozyreva)\ **Replies:** 1\ **Last updated:** [November 10, 2025, 6:58pm UTC](https://forums.percona.com/t/are-pmm-agents-v3-compatible-with-pmm-server-v2-2-44-0/39705 "2025-11-10T18:58:02Z")
Hello! I’d like to know if pmm-agents v3 are compatible with pmm-server v2. I couldn’t find anything about this in the documentation. Could you provide some information? Thank you. --- ## [Query information is missing](https://forums.percona.com/t/query-information-is-missing/39693)
**Author:** [@ANDiv1976](https://forums.percona.com/u/ANDiv1976)\ **Replies:** 2\ **Last updated:** [November 10, 2025, 8:54am UTC](https://forums.percona.com/t/query-information-is-missing/39693 "2025-11-10T08:54:35Z")
Several PostgreSQL servers are connected to the monitoring. The agent configuration is the same everywhere. On some servers, the monitoring shows that there is no QAN information. How can I understand why QAN is not … --- ## [Vmalert in PMM 3.4.1 Docker Cannot Start Due to Missing Notifier Configuration](https://forums.percona.com/t/vmalert-in-pmm-3-4-1-docker-cannot-start-due-to-missing-notifier-configuration/39701)
**Author:** [@Fan](https://forums.percona.com/u/Fan)\ **Replies:** 2\ **Last updated:** [November 10, 2025, 6:51am UTC](https://forums.percona.com/t/vmalert-in-pmm-3-4-1-docker-cannot-start-due-to-missing-notifier-configuration/39701 "2025-11-10T06:51:15Z")
I am running Percona PMM 3.4.1 deployed via Docker. I encountered an issue where vmalert cannot start at all. The error message indicates that neither -notifier.url, -notifier.config, nor -notifier.blackhole is configure… --- ## [Is the vmalert still available in PMM v3?](https://forums.percona.com/t/is-the-vmalert-still-available-in-pmm-v3/37547)
**Author:** [@chadr](https://forums.percona.com/u/chadr)\ **Replies:** 2\ **Last updated:** [November 10, 2025, 5:22am UTC](https://forums.percona.com/t/is-the-vmalert-still-available-in-pmm-v3/37547 "2025-11-10T05:22:44Z")
I remember that the vmalert will be removed starting from PMM v3 according to above ticket but seems it is still there. Will the vmalert somehow be removed in further version of PMM v3 or it has still any responsibilit… --- ## [\[PMM 3\] How to configure different retention periods for QAN (30 days) and Metrics (6 months)?](https://forums.percona.com/t/pmm-3-how-to-configure-different-retention-periods-for-qan-30-days-and-metrics-6-months/39690)
**Author:** [@frank.pan](https://forums.percona.com/u/frank.pan)\ **Replies:** 1\ **Last updated:** [November 6, 2025, 3:12pm UTC](https://forums.percona.com/t/pmm-3-how-to-configure-different-retention-periods-for-qan-30-days-and-metrics-6-months/39690 "2025-11-06T15:12:51Z")
Hello, I am using PMM 3 and my QAN data is generating a very large volume, which is causing disk space issues. I need to configure different retention periods for my data: QAN Data (Query Analytics): I only need to … --- ## [Need confirmation about the variable pg\_stat\_monitor.pgsm\_enable\_query\_plan](https://forums.percona.com/t/need-confirmation-about-the-variable-pg-stat-monitor-pgsm-enable-query-plan/39651)
**Author:** [@Naresh9999](https://forums.percona.com/u/Naresh9999)\ **Replies:** 3\ **Last updated:** [October 30, 2025, 1:06pm UTC](https://forums.percona.com/t/need-confirmation-about-the-variable-pg-stat-monitor-pgsm-enable-query-plan/39651 "2025-10-30T13:06:13Z")
Hi Team, Could you please confirm whether the pg\_stat\_monitor.pgsm\_enable\_query\_plan needs to remain disabled permanently, or whether it only needs to be disabled temporarily while enabling the pg\_stat\_monitor extension… --- ## [Invalid username or password](https://forums.percona.com/t/invalid-username-or-password/39656)
**Author:** [@khaled1](https://forums.percona.com/u/khaled1)\ **Replies:** 3\ **Last updated:** [October 30, 2025, 11:47am UTC](https://forums.percona.com/t/invalid-username-or-password/39656 "2025-10-30T11:47:35Z")
I Installed Percona PMM 3 on Debian 13 from below script and the setup was completed successfully but after the setup I cannot login with error invalid username or password then I see that Debian 13 is not fully support… --- ## [Request - Or Config setting?](https://forums.percona.com/t/request-or-config-setting/39566)
**Author:** [@meyerder](https://forums.percona.com/u/meyerder)\ **Replies:** 2\ **Last updated:** [October 16, 2025, 2:47pm UTC](https://forums.percona.com/t/request-or-config-setting/39566 "2025-10-16T14:47:22Z")
I have noticed that in newer versions the defaults to a 1 min refresh.. Prior version I think this was disabled. For me this causes quite a few slowdowns as it seems like some of the pages take almost that long to load.… --- ## [Installation of PMM server and client at one server](https://forums.percona.com/t/installation-of-pmm-server-and-client-at-one-server/39544)
**Author:** [@Sarge](https://forums.percona.com/u/Sarge)\ **Replies:** 2\ **Last updated:** [October 14, 2025, 2:38pm UTC](https://forums.percona.com/t/installation-of-pmm-server-and-client-at-one-server/39544 "2025-10-14T14:38:59Z")
Hello to Community ! Trying to meet with PMM 3 version I’ve met two questions Is it possible to install PMM server and PMM client at the same (remote) server and get access using web ? Is it possible to install PM… [Previous page](https://forums.percona.com/c/percona-monitoring-and-management-pmm/pmm-3/84.md) [Next page](https://forums.percona.com/c/percona-monitoring-and-management-pmm/pmm-3/84.md?page=2)