# \#community

**URL:** https://forums.percona.com/tag/community/3.md

[Latest](https://forums.percona.com/latest.md) · [Categories](https://forums.percona.com/categories.md) · [Tags](https://forums.percona.com/tags.md)

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## [Question About PITR Continuity](https://forums.percona.com/t/question-about-pitr-continuity/41270)

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**Author:** [@dasol](https://forums.percona.com/u/dasol)\
**Replies:** 1\
**Last updated:** [September 17, 2026, 11:14am UTC](https://forums.percona.com/t/question-about-pitr-continuity/41270 "2026-09-17T11:14:24Z")

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Hello, We are currently using MongoDB 8.x and Percona Backup for MongoDB (PBM). In our production environment, we perform one full logical backup per day with PITR enabled continuously. We are planning to use these ba…

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## [MongoDB 8.0.23 - OIDC authentication via Keycloak](https://forums.percona.com/t/mongodb-8-0-23-oidc-authentication-via-keycloak/40963)

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**Author:** [@pshah](https://forums.percona.com/u/pshah)\
**Replies:** 4\
**Last updated:** [September 8, 2026, 1:44pm UTC](https://forums.percona.com/t/mongodb-8-0-23-oidc-authentication-via-keycloak/40963 "2026-09-08T13:44:07Z")

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Hi While to setup and test OIDC authentication for Percona MongoDB 8.0.23 using Keycloak - the authentication does not work. I tried using mongosh ( ubuntu host ) and also via MongoDB Compass On MongoDB Compass side …

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## [Come say hi in Slack](https://forums.percona.com/t/come-say-hi-in-slack/41024)

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**Author:** [@laura.czajkowski](https://forums.percona.com/u/laura.czajkowski)\
**Replies:** 0\
**Last updated:** [July 3, 2026, 10:41am UTC](https://forums.percona.com/t/come-say-hi-in-slack/41024 "2026-07-03T10:41:14Z")

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Hey everyone, Wanted to share something extra for anyone who likes to hang out with the community beyond just the forum: the Percona Community Slack is open, and it’s a nice complement to what’s already here. The forum…

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## [Questions Regarding PBM 2.14 Backup Cleanup and PITR Behavior](https://forums.percona.com/t/questions-regarding-pbm-2-14-backup-cleanup-and-pitr-behavior/40878)

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**Author:** [@dasol](https://forums.percona.com/u/dasol)\
**Replies:** 1\
**Last updated:** [June 8, 2026, 9:07am UTC](https://forums.percona.com/t/questions-regarding-pbm-2-14-backup-cleanup-and-pitr-behavior/40878 "2026-06-08T09:07:40Z")

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Hello, I have a few questions regarding PBM version 2.14. We are using PBM in both MongoDB replica set (Primary-Secondary-Arbiter) and sharded cluster environments. We perform a logical backup once per day and run PITR…

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## [Pt-online-schema-change failed at 23% on 501M row table — Is it possible to resume from where it left off?](https://forums.percona.com/t/pt-online-schema-change-failed-at-23-on-501m-row-table-is-it-possible-to-resume-from-where-it-left-off/40830)

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**Author:** [@Srikanth\_Lingala](https://forums.percona.com/u/Srikanth_Lingala)\
**Replies:** 2\
**Last updated:** [May 28, 2026, 4:18pm UTC](https://forums.percona.com/t/pt-online-schema-change-failed-at-23-on-501m-row-table-is-it-possible-to-resume-from-where-it-left-off/40830 "2026-05-28T16:18:23Z")

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Hello everyone Environment Percona XtraDB Cluster 5.7.44-48 (wsrep 31.65) 4-node Galera cluster pt-online-schema-change (latest on RHEL) Table: Attachments (~501 million rows) What I Was Doing Running a charset con…

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## [Percona backup working but restore is not working on a mongo sharded cluster](https://forums.percona.com/t/percona-backup-working-but-restore-is-not-working-on-a-mongo-sharded-cluster/40700)

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**Author:** [@Anikessh](https://forums.percona.com/u/Anikessh)\
**Replies:** 11\
**Last updated:** [April 23, 2026, 11:28am UTC](https://forums.percona.com/t/percona-backup-working-but-restore-is-not-working-on-a-mongo-sharded-cluster/40700 "2026-04-23T11:28:02Z")

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Hi We have setup pbm-agent configured on 3 config nodes and 3 shard servers and we have 2 mongos routers configured and its configured on Amazon Linux 2023. We have 3 config nodes with pbm-agent as cfgsvr1.snb.internal …

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## [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)

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**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")

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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…

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## [NOT able get the collection metrics and DBs in the PMM MongoDB collections overview dashboard](https://forums.percona.com/t/not-able-get-the-collection-metrics-and-dbs-in-the-pmm-mongodb-collections-overview-dashboard/40586)

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**Author:** [@vishnu](https://forums.percona.com/u/vishnu)\
**Replies:** 3\
**Last updated:** [April 10, 2026, 7:14am UTC](https://forums.percona.com/t/not-able-get-the-collection-metrics-and-dbs-in-the-pmm-mongodb-collections-overview-dashboard/40586 "2026-04-10T07:14:44Z")

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Hi I am currently running PMM Server v3.7.0 as a Docker container on a separate server, and PMM Client v3.7.0 on the host machine for a MongoDB replica set. I am working on a secondary node. I am able to view basic met…

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## [Your feedback matters to us!](https://forums.percona.com/t/your-feedback-matters-to-us/40409)

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**Author:** [@laura.czajkowski](https://forums.percona.com/u/laura.czajkowski)\
**Replies:** 0\
**Last updated:** [March 26, 2026, 2:34pm UTC](https://forums.percona.com/t/your-feedback-matters-to-us/40409 "2026-03-26T14:34:49Z")

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At Percona, we are constantly striving to make our products, features, and community support better for you. To do that effectively, we need to hear from the experts—you. We’ve put together a brief community survey to l…

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## [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)

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**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")

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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…

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## [CVE-2025-14847 (MongoBleed): 8.2.3, and 8.0.17 Request](https://forums.percona.com/t/cve-2025-14847-mongobleed-8-2-3-and-8-0-17-request/40043)

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**Author:** [@psantiago](https://forums.percona.com/u/psantiago)\
**Replies:** 2\
**Last updated:** [January 19, 2026, 5:17pm UTC](https://forums.percona.com/t/cve-2025-14847-mongobleed-8-2-3-and-8-0-17-request/40043 "2026-01-19T17:17:39Z")

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Hi Team, I’m a new Product Manager to MongoDB and was recently tasked to patch our Community servers to address the recently publicized MongoDB (MongoBleed) Exploit. I can imagine Percona is extremely busy with mitigati…

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## [Percona Server for MySQL 5.7.44-54 & Newer](https://forums.percona.com/t/percona-server-for-mysql-5-7-44-54-newer/39994)

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**Author:** [@legumes](https://forums.percona.com/u/legumes)\
**Replies:** 4\
**Last updated:** [January 9, 2026, 11:43am UTC](https://forums.percona.com/t/percona-server-for-mysql-5-7-44-54-newer/39994 "2026-01-09T11:43:37Z")

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Hello, The latest version of Percona Server 5.7 available on github is 5.7.44-53: 5.7.44-54 is not yet available: https://github.com/percona/percona-server/tree/Percona-Server-5.7.44-54 Version 5.7.44-54 was releas…

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## [PGDB Restore and Backup Error](https://forums.percona.com/t/pgdb-restore-and-backup-error/39574)

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**Author:** [@Kushal\_Sultania](https://forums.percona.com/u/Kushal_Sultania)\
**Replies:** 1\
**Last updated:** [November 12, 2025, 3:52am UTC](https://forums.percona.com/t/pgdb-restore-and-backup-error/39574 "2025-11-12T03:52:33Z")

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I have a kubernetes cluster i am migrating from one to another. I want to restore previous cluster data to new one. When i try to create a normal restore cr and not use datasource , there is a initia backup taken , is t…

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## [How to add Topology in PMM for MySQL servers](https://forums.percona.com/t/how-to-add-topology-in-pmm-for-mysql-servers/23424)

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**Author:** [@tee952](https://forums.percona.com/u/tee952)\
**Replies:** 14\
**Last updated:** [October 16, 2025, 9:27pm UTC](https://forums.percona.com/t/how-to-add-topology-in-pmm-for-mysql-servers/23424 "2025-10-16T21:27:17Z")

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Hi All, Do anyone know if we can add topology in PMM for MySQL/MariaDB servers, if so can you let me know how it can be done. Example: If we have Primary-Secondary setup, then I need to see a Pictorial form which serve…

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## [Restoring Percona Backup's on Containerized MongoDB via PBM](https://forums.percona.com/t/restoring-percona-backups-on-containerized-mongodb-via-pbm/39472)

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**Author:** [@vishnu](https://forums.percona.com/u/vishnu)\
**Replies:** 4\
**Last updated:** [October 13, 2025, 6:04am UTC](https://forums.percona.com/t/restoring-percona-backups-on-containerized-mongodb-via-pbm/39472 "2025-10-13T06:04:59Z")

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I’m currently working on restoring backups in a containerized MongoDB environment. The issue I’m facing is that when I initiate the restore process, it starts, but after running the describe restore command, the status s…

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## [Install component 'file://component\_percona\_udf' is failing post upgrade to 8.4](https://forums.percona.com/t/install-component-file-component-percona-udf-is-failing-post-upgrade-to-8-4/39225)

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**Author:** [@srikar\_arutla](https://forums.percona.com/u/srikar_arutla)\
**Replies:** 5\
**Last updated:** [September 3, 2025, 4:11pm UTC](https://forums.percona.com/t/install-component-file-component-percona-udf-is-failing-post-upgrade-to-8-4/39225 "2025-09-03T16:11:12Z")

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Hi, I just upgraded my percona server from 8.0 to 8.4 Iam trying to run below commad Percona Server is distributed with several useful UDF (User Defined Function) from Percona Toolkit. \* Run the following command to …

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## [Xtrabackup run fails, indicating missed binary log file](https://forums.percona.com/t/xtrabackup-run-fails-indicating-missed-binary-log-file/38461)

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**Author:** [@bklk](https://forums.percona.com/u/bklk)\
**Replies:** 3\
**Last updated:** [June 29, 2025, 2:43pm UTC](https://forums.percona.com/t/xtrabackup-run-fails-indicating-missed-binary-log-file/38461 "2025-06-29T14:43:55Z")

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Hello Forum, I’m looking for some clues how to tackle following problem: There are 2 MySQL nodes (let’s call them X and Y), each of them is using the following: OS: AlmaLinux release 9.6 MySQL: 8.0.36-28 Percona Serv…

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## [How much memory needed by MongoDB?](https://forums.percona.com/t/how-much-memory-needed-by-mongodb/38358)

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**Author:** [@gianni](https://forums.percona.com/u/gianni)\
**Replies:** 4\
**Last updated:** [June 20, 2025, 8:58am UTC](https://forums.percona.com/t/how-much-memory-needed-by-mongodb/38358 "2025-06-20T08:58:49Z")

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Hi there, I need to correctly size MongoDB dedicated memory in my architecture. I have a 3 node Replica Set running on Docker Swarm with other services. I started with no memory limits (containers see the total amount…

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## [Percona XtraDB Cluster with MySQL is Not Supported by Amazon Linux 2023](https://forums.percona.com/t/percona-xtradb-cluster-with-mysql-is-not-supported-by-amazon-linux-2023/38367)

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**Author:** [@kirankumar](https://forums.percona.com/u/kirankumar)\
**Replies:** 5\
**Last updated:** [June 18, 2025, 11:44am UTC](https://forums.percona.com/t/percona-xtradb-cluster-with-mysql-is-not-supported-by-amazon-linux-2023/38367 "2025-06-18T11:44:32Z")

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Hi, I attempted to deploy Percona XtraDB Cluster (versions 8.0.36, 8.0.37, and 8.0.41) on Amazon Linux 2023. Unfortunately, the operating system appears to be unsupported for this installation, even though it is listed …

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## [Mongos seems to be down in percona but actually the node is up and serveice is running](https://forums.percona.com/t/mongos-seems-to-be-down-in-percona-but-actually-the-node-is-up-and-serveice-is-running/37469)

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**Author:** [@Dhivya](https://forums.percona.com/u/Dhivya)\
**Replies:** 5\
**Last updated:** [June 17, 2025, 1:41pm UTC](https://forums.percona.com/t/mongos-seems-to-be-down-in-percona-but-actually-the-node-is-up-and-serveice-is-running/37469 "2025-06-17T13:41:26Z")

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Description: Hi Team, We have configured email alert for mongodb service down from the default teamplate.For shards and config servers it works properly whenever the service is down it throws alert but for mongos server…

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## [PMM Client-Side Caching in 3.2.0 & HA Setup for PMM Server in Kubernetes](https://forums.percona.com/t/pmm-client-side-caching-in-3-2-0-ha-setup-for-pmm-server-in-kubernetes/38243)

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**Author:** [@Arul\_Deepan\_Anbumani](https://forums.percona.com/u/Arul_Deepan_Anbumani)\
**Replies:** 4\
**Last updated:** [June 10, 2025, 11:29am UTC](https://forums.percona.com/t/pmm-client-side-caching-in-3-2-0-ha-setup-for-pmm-server-in-kubernetes/38243 "2025-06-10T11:29:34Z")

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Hi Percona Team, We’re currently using PMM Server and Clients v3.1.0, and planning to upgrade to v3.2.0. I read that PMM 2.33 introduced client-side caching using the embedded vmagent to reduce metrics loss during shor…

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## [Cannot Upgrade PXC Image Tag Using SmartUpdate Strategy and upgradeOptions](https://forums.percona.com/t/cannot-upgrade-pxc-image-tag-using-smartupdate-strategy-and-upgradeoptions/38087)

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**Author:** [@coderick](https://forums.percona.com/u/coderick)\
**Replies:** 0\
**Last updated:** [May 26, 2025, 5:02am UTC](https://forums.percona.com/t/cannot-upgrade-pxc-image-tag-using-smartupdate-strategy-and-upgradeoptions/38087 "2025-05-26T05:02:09Z")

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I’m attempting to upgrade the Percona XtraDB Cluster (PXC) image tag using the SmartUpdate strategy in the updateStrategy field, along with some options under upgradeOptions, but the upgrade does not proceed as expected.…

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## [Migrate enterprise mysql 5.7 keyring file to Percona 8.4 component key ring file](https://forums.percona.com/t/migrate-enterprise-mysql-5-7-keyring-file-to-percona-8-4-component-key-ring-file/36989)

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**Author:** [@perconaplanet](https://forums.percona.com/u/perconaplanet)\
**Replies:** 1\
**Last updated:** [May 3, 2025, 6:27am UTC](https://forums.percona.com/t/migrate-enterprise-mysql-5-7-keyring-file-to-percona-8-4-component-key-ring-file/36989 "2025-05-03T06:27:21Z")

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I migrated database from mysql enterprise edition 5.7.36 to Percona 8.4.3. mysql 5.7 uses keyring\_file plugin and mysql 8.4 uses component keyring file. Installed 8.4.3 and configured mysql and then later replaced data d…

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## [Want to change Writter Node In Percona CLuster](https://forums.percona.com/t/want-to-change-writter-node-in-percona-cluster/37113)

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**Author:** [@sachinjoshi](https://forums.percona.com/u/sachinjoshi)\
**Replies:** 8\
**Last updated:** [March 11, 2025, 1:25pm UTC](https://forums.percona.com/t/want-to-change-writter-node-in-percona-cluster/37113 "2025-03-11T13:25:37Z")

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Hi There, I am running Percona MySQL Cluster with 3 Nodes 111,112,113 & ProxySQL 114. For the last 3 months we have been having issues, Percona Nodes Disconnect with each other, sometimes it works because other 2 nodes …

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## [XtraDBCluster 1 Node Crash](https://forums.percona.com/t/xtradbcluster-1-node-crash/36432)

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**Author:** [@aycelen](https://forums.percona.com/u/aycelen)\
**Replies:** 13\
**Last updated:** [February 11, 2025, 1:09pm UTC](https://forums.percona.com/t/xtradbcluster-1-node-crash/36432 "2025-02-11T13:09:47Z")

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I had 3 cluster databases. One node went down unceremoniously. We couldn’t understand why. It could possibly be because of the table\_open\_files value (currently the value is 2000). The database size is 7.2 TB. When …

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## [Copying \`test\`.\`testtable\_copy1\`: 99% 00:01 remain # Exiting on SIGHUP](https://forums.percona.com/t/copying-test-testtable-copy1-99-00-01-remain-exiting-on-sighup/20418)

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**Author:** [@404\_error](https://forums.percona.com/u/404_error)\
**Replies:** 3\
**Last updated:** [February 6, 2025, 6:58am UTC](https://forums.percona.com/t/copying-test-testtable-copy1-99-00-01-remain-exiting-on-sighup/20418 "2025-02-06T06:58:54Z")

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Hi When I use pt-online-schema-change 3.4.0 to add column to a large mysql table of 50 million, I get an error:Exiting on SIGHUP. Here are my steps and related information. OS version is CentOS 7.9 (Final) 4.14.105-19…

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## [Incremental backups based on full backups](https://forums.percona.com/t/incremental-backups-based-on-full-backups/35475)

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**Author:** [@Krishnadas\_K\_P](https://forums.percona.com/u/Krishnadas_K_P)\
**Replies:** 5\
**Last updated:** [December 6, 2024, 7:11pm UTC](https://forums.percona.com/t/incremental-backups-based-on-full-backups/35475 "2024-12-06T19:11:02Z")

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I am setting up automated full backups and incremental backups as per the below documentation. Going through the script, I understand that every time incremental backup is triggered, it is based on the same full backu…

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## [Error / Disconnections with pt-online-schema-change](https://forums.percona.com/t/error-disconnections-with-pt-online-schema-change/25503)

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**Author:** [@Farhan\_Umer](https://forums.percona.com/u/Farhan_Umer)\
**Replies:** 19\
**Last updated:** [November 22, 2024, 10:46pm UTC](https://forums.percona.com/t/error-disconnections-with-pt-online-schema-change/25503 "2024-11-22T22:46:32Z")

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Hi, I am running pt-online-schema-change on a huge table that will complete around 5 days but i am seeing some reconnections maybe as i am not sure i have never seen this warning / error before. This cannot connect erro…

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## [Percona mongodb audit plugins not showing fulldocument section in the log output](https://forums.percona.com/t/percona-mongodb-audit-plugins-not-showing-fulldocument-section-in-the-log-output/32093)

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**Author:** [@Mukesh\_Prasad](https://forums.percona.com/u/Mukesh_Prasad)\
**Replies:** 1\
**Last updated:** [November 17, 2024, 9:59am UTC](https://forums.percona.com/t/percona-mongodb-audit-plugins-not-showing-fulldocument-section-in-the-log-output/32093 "2024-11-17T09:59:40Z")

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Recently we are working on percona community mongodb audit plugins where we encounter with incomplete log output where fulldocument after binary was not populated. For detail I am attaching the snippet. We are not able …

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## [Troubleshooting QAN: Delayed Updates on Collection/Database Deletion and Client Info](https://forums.percona.com/t/troubleshooting-qan-delayed-updates-on-collection-database-deletion-and-client-info/34442)

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**Author:** [@nagaa](https://forums.percona.com/u/nagaa)\
**Replies:** 1\
**Last updated:** [November 17, 2024, 8:25am UTC](https://forums.percona.com/t/troubleshooting-qan-delayed-updates-on-collection-database-deletion-and-client-info/34442 "2024-11-17T08:25:53Z")

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Hi I enabled Query Analytics (QAN) for my MongoDB, which is set up with primary and secondary instances in a replica set. When I drop 4 or 5 collections in the database, the changes appear in QAN almost immediately. How…

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