# Percona Distribution for MySQL **URL:** https://forums.percona.com/c/mysql-mariadb/percona-distribution-for-mysql/42.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 Distribution for MySQL category](https://forums.percona.com/t/about-the-percona-distribution-for-mysql-category/47)
**Author:** [@system](https://forums.percona.com/u/system)\ **Replies:** 0
The Percona Distribution for MySQL® bundles together all the best and most critical enterprise components needed to operate MySQL successfully. --- ## [Does Percona MySQL support arbitrator‑node capability](https://forums.percona.com/t/does-percona-mysql-support-arbitrator-node-capability/41246)
**Author:** [@Leo\_Ma](https://forums.percona.com/u/Leo_Ma)\ **Replies:** 5\ **Last updated:** [September 16, 2026, 1:46pm UTC](https://forums.percona.com/t/does-percona-mysql-support-arbitrator-node-capability/41246 "2026-09-16T13:46:10Z")
I would like to check if there is any roadmap or plan for Percona Server for MySQL to support the group\_replication\_arbitrator feature for MySQL Group Replication. Currently, the upstream Oracle MySQL Group Replication … --- ## [PGO Builds Available?](https://forums.percona.com/t/pgo-builds-available/41158)
**Author:** [@caffeinejolt](https://forums.percona.com/u/caffeinejolt)\ **Replies:** 4\ **Last updated:** [August 14, 2026, 8:24pm UTC](https://forums.percona.com/t/pgo-builds-available/41158 "2026-08-14T20:24:18Z")
I saw this: Profile-Guided Optimization (PGO) and non-PGO builds - Percona Server for MySQL But cannot find any PGO builds/RPMs for AlmaLinux 8 with 8.4.10-10? I was thinking of trying it out to see if it makes a diffe… --- ## [Auto renewal of ssl certificates](https://forums.percona.com/t/auto-renewal-of-ssl-certificates/41139)
**Author:** [@ipcmlr](https://forums.percona.com/u/ipcmlr)\ **Replies:** 3\ **Last updated:** [August 5, 2026, 4:16pm UTC](https://forums.percona.com/t/auto-renewal-of-ssl-certificates/41139 "2026-08-05T16:16:41Z")
Is there a way to autorenew ssl certificates for percona mysql on a scheduled basis? Or is scheduling a cronjob the only option I have? Thanks, Mike --- ## [SSL Replication question](https://forums.percona.com/t/ssl-replication-question/41131)
**Author:** [@ipcmlr](https://forums.percona.com/u/ipcmlr)\ **Replies:** 1\ **Last updated:** [August 3, 2026, 5:53pm UTC](https://forums.percona.com/t/ssl-replication-question/41131 "2026-08-03T17:53:11Z")
I have replication setup. Copied keys, certs from the source to the replica. The ssl keys/certs are specified in the mysql config file. source\_ssl is 1 My replication user is setup and requires ssl. Replication is wo… --- ## [Wrong result with SUBSTRING\_INDEX(GROUP\_CONCAT(...)) when group\_concat\_max\_len is 2^28, 2^29 or 3\*2^28 in Percona Server 8.4.8-8](https://forums.percona.com/t/wrong-result-with-substring-index-group-concat-when-group-concat-max-len-is-2-28-2-29-or-3-2-28-in-percona-server-8-4-8-8/40959)
**Author:** [@thomas.liebold\_c24](https://forums.percona.com/u/thomas.liebold_c24)\ **Replies:** 1\ **Last updated:** [July 15, 2026, 1:19pm UTC](https://forums.percona.com/t/wrong-result-with-substring-index-group-concat-when-group-concat-max-len-is-2-28-2-29-or-3-2-28-in-percona-server-8-4-8-8/40959 "2026-07-15T13:19:14Z")
Project / Component Product: Percona Server for MySQL Version: 8.4.8-8 Component: SQL / Optimizer / GROUP\_CONCAT / Derived table materialization Severity: Major or Critical Type: Bug Description We observe a wrong query… --- ## [Percona MySQL 8.4.8 - Crash Looping randomly](https://forums.percona.com/t/percona-mysql-8-4-8-crash-looping-randomly/40905)
**Author:** [@madhurbhaiya](https://forums.percona.com/u/madhurbhaiya)\ **Replies:** 12\ **Last updated:** [June 11, 2026, 1:49pm UTC](https://forums.percona.com/t/percona-mysql-8-4-8-crash-looping-randomly/40905 "2026-06-11T13:49:51Z")
Percona MySQL Version 8.4.8.8 All my tables are InnoDB. All have ROW\_FORMAT = COMPRESSED KEY\_BLOCK\_SIZE = 8 Since my upgrade to 8.4.8.8 across my fleet, I am getting random assertion errors in error.log causing crash … --- ## [Percona MySQL 8.4.8 Loop Crashing (Audit related?)](https://forums.percona.com/t/percona-mysql-8-4-8-loop-crashing-audit-related/40699)
**Author:** [@rafaelpastre](https://forums.percona.com/u/rafaelpastre)\ **Replies:** 2\ **Last updated:** [April 23, 2026, 7:08am UTC](https://forums.percona.com/t/percona-mysql-8-4-8-loop-crashing-audit-related/40699 "2026-04-23T07:08:25Z")
My Percona for MySQL 8.4.8 started loop crashing after going Live, and just came back online after removing audit related parameters from my.cnf. Any idea guys? After hashing out the follwing variables, the instance ca… --- ## [Percona toolkit pt-show-grants 3.7.1 broken on Debian 13](https://forums.percona.com/t/percona-toolkit-pt-show-grants-3-7-1-broken-on-debian-13/40009)
**Author:** [@thomariobros](https://forums.percona.com/u/thomariobros)\ **Replies:** 18\ **Last updated:** [April 22, 2026, 9:21am UTC](https://forums.percona.com/t/percona-toolkit-pt-show-grants-3-7-1-broken-on-debian-13/40009 "2026-04-22T09:21:41Z")
Hello, Installed percona-server 8.4.7 and percona-toolkit on Debian 13 using Percona apt repository. percona-server-server package version is 8.4.7-7-1.trixie percona-toolkit package (containing pt-show-grants) versio… --- ## [Percona audit log filter not working](https://forums.percona.com/t/percona-audit-log-filter-not-working/40686)
**Author:** [@lxnguyen](https://forums.percona.com/u/lxnguyen)\ **Replies:** 4\ **Last updated:** [April 21, 2026, 9:38am UTC](https://forums.percona.com/t/percona-audit-log-filter-not-working/40686 "2026-04-21T09:38:04Z")
Percona for mysql 8.4 Ubuntu 24.04 I configured the server to use audit log component. I create the filter below to log connections and admin commands, and assigned it to ‘%’. It only captured only connections but no… --- ## [Audit Log Filter Doesn't accept user@%](https://forums.percona.com/t/audit-log-filter-doesnt-accept-user/40612)
**Author:** [@IGGt](https://forums.percona.com/u/IGGt)\ **Replies:** 9\ **Last updated:** [April 13, 2026, 11:00am UTC](https://forums.percona.com/t/audit-log-filter-doesnt-accept-user/40612 "2026-04-13T11:00:42Z")
I am running the audit\_log\_filter component with MySQL 8.4.8 (Oracle MySQL). If I run: SELECT audit\_log\_filter\_set\_user(‘%’, ‘log\_connections\_and\_queries’); it works fine. If I run: SELECT audit\_log\_filter\_set\_user(… --- ## [Audit filter with query and user info in one record possible?](https://forums.percona.com/t/audit-filter-with-query-and-user-info-in-one-record-possible/40336)
**Author:** [@ipcmlr](https://forums.percona.com/u/ipcmlr)\ **Replies:** 8\ **Last updated:** [March 17, 2026, 12:47am UTC](https://forums.percona.com/t/audit-filter-with-query-and-user-info-in-one-record-possible/40336 "2026-03-17T00:47:08Z")
I have an audit filter which checks which users have created/dropped/altered users in the database. I need user and host in the info however I cannot seem to find a way to include it in one record. What I get in the au… --- ## [Mysqlrouter "Application got fatal signal: 11" after upgrade to percona mysql 8.0.43-34-1.bullseye](https://forums.percona.com/t/mysqlrouter-application-got-fatal-signal-11-after-upgrade-to-percona-mysql-8-0-43-34-1-bullseye/39242)
**Author:** [@Salvatore\_Rotella](https://forums.percona.com/u/Salvatore_Rotella)\ **Replies:** 2\ **Last updated:** [February 20, 2026, 10:29pm UTC](https://forums.percona.com/t/mysqlrouter-application-got-fatal-signal-11-after-upgrade-to-percona-mysql-8-0-43-34-1-bullseye/39242 "2026-02-20T22:29:50Z")
Hi I just upgraded percona from version (8.0.42-33-1.bullseye) to (8.0.43-34-1.bullseye) and the percona-mysql-router is dumping: /usr/bin/mysqlrouter -c mysqlrouter.conf Application got fatal signal: 11 stack\_bottom… --- ## [Getting null when running audit\_log\_read](https://forums.percona.com/t/getting-null-when-running-audit-log-read/40117)
**Author:** [@ipcmlr](https://forums.percona.com/u/ipcmlr)\ **Replies:** 5\ **Last updated:** [February 20, 2026, 10:06am UTC](https://forums.percona.com/t/getting-null-when-running-audit-log-read/40117 "2026-02-20T10:06:29Z")
I have audit filter running ( logging connections and drop/create/alter user) in the json format. It have tested that it is logging correctly in the json format. root@localhost (none)\> SHOW VARIABLES LIKE ‘audit\_log\_f… --- ## [Inconsistent Libraries since last Update: Perl Module incompatible with libperconaserverclient](https://forums.percona.com/t/inconsistent-libraries-since-last-update-perl-module-incompatible-with-libperconaserverclient/40146)
**Author:** [@bitone](https://forums.percona.com/u/bitone)\ **Replies:** 6\ **Last updated:** [February 9, 2026, 10:13am UTC](https://forums.percona.com/t/inconsistent-libraries-since-last-update-perl-module-incompatible-with-libperconaserverclient/40146 "2026-02-09T10:13:03Z")
I have enabled these repositories on Debian 11: prel - release ps-80 - release telemetry - release tools - release I installed libdbd-mysql-perl, percona-server-common, percona-toolkit and libperconaserverclient21 p… --- ## [Upstream being abandoned, will Percona continue to maintain Mysql?](https://forums.percona.com/t/upstream-being-abandoned-will-percona-continue-to-maintain-mysql/40061)
**Author:** [@Francesco\_Montanari](https://forums.percona.com/u/Francesco_Montanari)\ **Replies:** 2\ **Last updated:** [January 20, 2026, 7:49am UTC](https://forums.percona.com/t/upstream-being-abandoned-will-percona-continue-to-maintain-mysql/40061 "2026-01-20T07:49:25Z")
It seems MySQL (https://github.com/mysql/mysql-server) hasn’t had any commits in 4 months, since Oracle laid off a bunch of people. Will Percona continue to maintain MySQL, eventually releasing new versions after 8.4.7?… --- ## [Openssl libs are added in 8.4.6 PS](https://forums.percona.com/t/openssl-libs-are-added-in-8-4-6-ps/39932)
**Author:** [@Chanakya](https://forums.percona.com/u/Chanakya)\ **Replies:** 5\ **Last updated:** [January 12, 2026, 10:05pm UTC](https://forums.percona.com/t/openssl-libs-are-added-in-8-4-6-ps/39932 "2026-01-12T22:05:11Z")
Hi, We are performing major upgrades from 8.0 to 8.4 and noticed openssl libs are added back into linux generic binary tars. lrwxrwxrwx. 1 mysqld dba 24 Sep 1 22:17 libssl.so → private/libssl.so.1.1.1k lrwxrwxrwx. … --- ## [DDL just for Percona](https://forums.percona.com/t/ddl-just-for-percona/39512)
**Author:** [@Phillip85](https://forums.percona.com/u/Phillip85)\ **Replies:** 3\ **Last updated:** [October 9, 2025, 3:44pm UTC](https://forums.percona.com/t/ddl-just-for-percona/39512 "2025-10-09T15:44:48Z")
Hi, is it possible to Comment a Part of a DDL to just get used on percona server? I want to use the Percona exclusive compressed column in a Projekt which needs to be compatible to mysql / mariadb too. When i try it l… --- ## [Audit log file json format](https://forums.percona.com/t/audit-log-file-json-format/39306)
**Author:** [@ipcmlr](https://forums.percona.com/u/ipcmlr)\ **Replies:** 2\ **Last updated:** [September 22, 2025, 2:15pm UTC](https://forums.percona.com/t/audit-log-file-json-format/39306 "2025-09-22T14:15:54Z")
Is there a way for the audit filter log file to log the same way as the old audit plugin? I used the json format for the old audit plugin and am using the json format for the audit filter log but they look completely di… --- ## [Replication IO Thread does not start](https://forums.percona.com/t/replication-io-thread-does-not-start/38958)
**Author:** [@Phillip85](https://forums.percona.com/u/Phillip85)\ **Replies:** 5\ **Last updated:** [August 7, 2025, 4:07pm UTC](https://forums.percona.com/t/replication-io-thread-does-not-start/38958 "2025-08-07T16:07:18Z")
Hello, I have a problem with mit replication setup: my slave IO Thread always stops with an checksum verification failed error: 2025-08-04T13:26:27.959431+02:00 540 \[Warning\] \[MY-010897\] \[Repl\] Storing MySQL user name… --- ## [\[BUG ?\] Encryption key generated for audit component even if we don't want it](https://forums.percona.com/t/bug-encryption-key-generated-for-audit-component-even-if-we-dont-want-it/38202)
**Author:** [@Valentin\_TRAEN1](https://forums.percona.com/u/Valentin_TRAEN1)\ **Replies:** 4\ **Last updated:** [June 6, 2025, 9:58am UTC](https://forums.percona.com/t/bug-encryption-key-generated-for-audit-component-even-if-we-dont-want-it/38202 "2025-06-06T09:58:23Z")
Hi ! I don’t understand why when I have the audit and encryption components on the same instance, the audit component pushes an encryption key into my vault even though it is explicitly asked not to encrypt anything. Do… --- ## [Does the Percona Benchmark Tool Still Work?](https://forums.percona.com/t/does-the-percona-benchmark-tool-still-work/37986)
**Author:** [@forbin](https://forums.percona.com/u/forbin)\ **Replies:** 4\ **Last updated:** [May 17, 2025, 4:29am UTC](https://forums.percona.com/t/does-the-percona-benchmark-tool-still-work/37986 "2025-05-17T04:29:24Z")
I followed the instructions in this Percona article carefully. I was able to prepare the database fine, but when I tried to run it, it throws an error. \[root@ha57b sysbench-tpcc-2.2\]# ./tpcc.lua --mysql-socket=/fs/s… --- ## [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)
**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")
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… --- ## [MYSQL crash failure autoStartup](https://forums.percona.com/t/mysql-crash-failure-autostartup/34851)
**Author:** [@puria\_zandy](https://forums.percona.com/u/puria_zandy)\ **Replies:** 5\ **Last updated:** [April 4, 2025, 8:59pm UTC](https://forums.percona.com/t/mysql-crash-failure-autostartup/34851 "2025-04-04T20:59:05Z")
Hi I have a cluster with three nodes and I cant reach them when ever a power failure happen to them I want to start the cluster after each startup How can I do that ? I can successfully run the cluster manually I notice… --- ## [Safety of O\_DIRECT\_NO\_FSYNC for MySQL 8.0.Server version: 8.0.35-27?](https://forums.percona.com/t/safety-of-o-direct-no-fsync-for-mysql-8-0-server-version-8-0-35-27/36901)
**Author:** [@J\_S](https://forums.percona.com/u/J_S)\ **Replies:** 3\ **Last updated:** [February 25, 2025, 4:09pm UTC](https://forums.percona.com/t/safety-of-o-direct-no-fsync-for-mysql-8-0-server-version-8-0-35-27/36901 "2025-02-25T16:09:24Z")
I have xfs on ebs attached volumes and have been testing and reading MySQL and Percona documentation for O\_DIRECT\_NO\_FSYNC which seems to lower what I am seeing as a HUGE increase in I/O activity since 5.7… Is it safe? … --- ## [Audit plugin for percona server for mysql innovation](https://forums.percona.com/t/audit-plugin-for-percona-server-for-mysql-innovation/31161)
**Author:** [@Charly\_Wu](https://forums.percona.com/u/Charly_Wu)\ **Replies:** 1\ **Last updated:** [June 24, 2024, 2:06pm UTC](https://forums.percona.com/t/audit-plugin-for-percona-server-for-mysql-innovation/31161 "2024-06-24T14:06:29Z")
does percona server for mysql 8.x innovation release have audit plugin? --- ## [Peoples opinion of GTID replication](https://forums.percona.com/t/peoples-opinion-of-gtid-replication/31084)
**Author:** [@Jamie\_Downs](https://forums.percona.com/u/Jamie_Downs)\ **Replies:** 2\ **Last updated:** [June 19, 2024, 9:00am UTC](https://forums.percona.com/t/peoples-opinion-of-gtid-replication/31084 "2024-06-19T09:00:13Z")
Hello, We are thinking of changing over from traditional replication to gtid replication. I would be interested in peoples opinion on gtid replication are there any gotchas we should be aware of? Thanks for your thoug… --- ## [MySQL crashing when running a restore of sql file](https://forums.percona.com/t/mysql-crashing-when-running-a-restore-of-sql-file/30361)
**Author:** [@ipcmlr](https://forums.percona.com/u/ipcmlr)\ **Replies:** 5\ **Last updated:** [May 16, 2024, 6:42pm UTC](https://forums.percona.com/t/mysql-crashing-when-running-a-restore-of-sql-file/30361 "2024-05-16T18:42:34Z")
I was running a restore of a sql file and it has now crashed the server 2 times. Not sure what is going on. Database is running ok after crash. Errors: terminate called after throwing an instance of ‘std::bad\_alloc’ … --- ## [Unable to start mysql getting Unable to lock ./ib\_logfile0 error: 11](https://forums.percona.com/t/unable-to-start-mysql-getting-unable-to-lock-ib-logfile0-error-11/30342)
**Author:** [@ipcmlr](https://forums.percona.com/u/ipcmlr)\ **Replies:** 3\ **Last updated:** [May 16, 2024, 2:25pm UTC](https://forums.percona.com/t/unable-to-start-mysql-getting-unable-to-lock-ib-logfile0-error-11/30342 "2024-05-16T14:25:46Z")
Today we are trying to upgrade our OS. But I was getting Unable to lock ./ib\_logfile0 error: 11 . I asked that the server be reverted back but i am still getting the same issue. I am unable to start the mysql server. … --- ## [I am trying to restore my backup and facing some issue](https://forums.percona.com/t/i-am-trying-to-restore-my-backup-and-facing-some-issue/29797)
**Author:** [@Aditya1523](https://forums.percona.com/u/Aditya1523)\ **Replies:** 28\ **Last updated:** [May 8, 2024, 2:19pm UTC](https://forums.percona.com/t/i-am-trying-to-restore-my-backup-and-facing-some-issue/29797 "2024-05-08T14:19:07Z")
When I am trying to do backup and restore procedure through perconaxtradbclusterrestore i am getting some error (attached). [Next page](https://forums.percona.com/c/mysql-mariadb/percona-distribution-for-mysql/42.md?page=1)