# Percona Server for MySQL 5.7 **URL:** https://forums.percona.com/c/mysql-mariadb/percona-server-for-mysql-5-7/18.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 Server for MySQL 5.7 category](https://forums.percona.com/t/about-the-percona-server-for-mysql-5-7-category/23)
**Author:** [@system](https://forums.percona.com/u/system)\ **Replies:** 0
Percona Server for MySQL® is a free, fully compatible, enhanced and open source drop-in replacement for any MySQL database. It provides superior performance, scalability and instrumentation. --- ## [Troubleshooting Percona Server for MySQL and How to Report a Bug](https://forums.percona.com/t/troubleshooting-percona-server-for-mysql-and-how-to-report-a-bug/6162)
**Author:** [@lorraine.pocklington](https://forums.percona.com/u/lorraine.pocklington)\ **Replies:** 0\ **Last updated:** [January 29, 2018, 7:03am UTC](https://forums.percona.com/t/troubleshooting-percona-server-for-mysql-and-how-to-report-a-bug/6162 "2018-01-29T07:03:58Z")
We have a separate system for recording and reporting on bugs, for Percona Server for MySQL and for other Percona software. The forum is oriented towards discussion and advice rather than to bug reporting and fixing. Th… --- ## [Is Jemalloc still recommended to replace glibc?](https://forums.percona.com/t/is-jemalloc-still-recommended-to-replace-glibc/41183)
**Author:** [@minh](https://forums.percona.com/u/minh)\ **Replies:** 6\ **Last updated:** [October 21, 2026, 2:48pm UTC](https://forums.percona.com/t/is-jemalloc-still-recommended-to-replace-glibc/41183 "2026-10-21T14:48:51Z")
We have Percona MySQL 5.7 running on AWS EC2 with 752 GB of memory and 128 CPUs, using Rocky 8. We typically see around 36K QPS during peak times, with approximately 20–40 running threads. However, we have experienced o… --- ## [Percona Server 5.7 - ERROR 3185 on one DRE encrypted table only; others work fine](https://forums.percona.com/t/percona-server-5-7-error-3185-on-one-dre-encrypted-table-only-others-work-fine/41255)
**Author:** [@pravata\_dash](https://forums.percona.com/u/pravata_dash)\ **Replies:** 5\ **Last updated:** [September 19, 2026, 10:42am UTC](https://forums.percona.com/t/percona-server-5-7-error-3185-on-one-dre-encrypted-table-only-others-work-fine/41255 "2026-09-19T10:42:44Z")
Problem: Without any changes at Mysql DB OR table level, one DRE(Data At Rest Encryption) table consistently fails where as other encrypted tables are accessible, SELECT COUNT(\*) FROM myschema.user\_profile; -- ERROR 31… --- ## [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)
**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")
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… --- ## [Libdbd-mysql-perl 1:5.013-1.noble breaks DBD::mysql after apt upgrade on Ubuntu 24.04](https://forums.percona.com/t/libdbd-mysql-perl-1-5-013-1-noble-breaks-dbd-mysql-after-apt-upgrade-on-ubuntu-24-04/40080)
**Author:** [@Milan](https://forums.percona.com/u/Milan)\ **Replies:** 6\ **Last updated:** [February 19, 2026, 11:23pm UTC](https://forums.percona.com/t/libdbd-mysql-perl-1-5-013-1-noble-breaks-dbd-mysql-after-apt-upgrade-on-ubuntu-24-04/40080 "2026-02-19T23:23:29Z")
We use Perl to query a Percona Server database via DBD::mysql. This stopped working yesterday after normal apt upgrade and broke our production system. It shows the package libdbd-mysql-perl 1:5.013-1.noble from Percon… --- ## [Percona Server for MySQL 5.7.44-54 & Newer](https://forums.percona.com/t/percona-server-for-mysql-5-7-44-54-newer/39994)
**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")
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… --- ## [Upgrade from 5.7 to 8](https://forums.percona.com/t/upgrade-from-5-7-to-8/39184)
**Author:** [@ultrapain](https://forums.percona.com/u/ultrapain)\ **Replies:** 3\ **Last updated:** [August 27, 2025, 1:35pm UTC](https://forums.percona.com/t/upgrade-from-5-7-to-8/39184 "2025-08-27T13:35:46Z")
I have a Percona MySQL 5.7 Master/slave setup at the moment where the install was performed using RPMs. I stood up a 3 node Percona 8 cluster on a new set of servers, which is the architecture that we want to move to. … --- ## [Percona helm 1.17.0 pxc-db mysql 5.7 pxc-db-haproxy is experiencing restarts. What are the causes, and how can this be resolved or optimized?](https://forums.percona.com/t/percona-helm-1-17-0-pxc-db-mysql-5-7-pxc-db-haproxy-is-experiencing-restarts-what-are-the-causes-and-how-can-this-be-resolved-or-optimized/39079)
**Author:** [@yl.w](https://forums.percona.com/u/yl.w)\ **Replies:** 1\ **Last updated:** [August 12, 2025, 2:11pm UTC](https://forums.percona.com/t/percona-helm-1-17-0-pxc-db-mysql-5-7-pxc-db-haproxy-is-experiencing-restarts-what-are-the-causes-and-how-can-this-be-resolved-or-optimized/39079 "2025-08-12T14:11:32Z")
Hello， Percona helm 1.17.0 pxc-db mysql 5.7 pxc-db-haproxy is experiencing restarts. What are the causes, and how can this be resolved or optimized? 1.The mysql-pxc-db-haproxy is experiencing restarts, reporting the fo… --- ## [Does mysql client validate the CA chain?](https://forums.percona.com/t/does-mysql-client-validate-the-ca-chain/38893)
**Author:** [@chris-card](https://forums.percona.com/u/chris-card)\ **Replies:** 2\ **Last updated:** [July 31, 2025, 3:52pm UTC](https://forums.percona.com/t/does-mysql-client-validate-the-ca-chain/38893 "2025-07-31T15:52:04Z")
I am running Percona Server 5.7.35-38 and using the mysql client from Percona-Server-client-57-5.7.35-38.1.el8.x86\_64. I have created a user which requires ssl and configured the server with server certificate, key and c… --- ## [Percona Server for MySQL 5.7.44-52](https://forums.percona.com/t/percona-server-for-mysql-5-7-44-52/35941)
**Author:** [@hongyu\_qiao](https://forums.percona.com/u/hongyu_qiao)\ **Replies:** 4\ **Last updated:** [April 13, 2025, 7:32pm UTC](https://forums.percona.com/t/percona-server-for-mysql-5-7-44-52/35941 "2025-04-13T19:32:12Z")
Hi, percona support team: I got release note about 5.7.44-52, “Percona Server for MySQL 5.7.44-52 (2024-12-05) - Percona Server for MySQL”. But there is not branch or any codes in github webset, GitHub - percona/percona… --- ## [Percona MySQL 5.7 standalone for ARM 64 bit](https://forums.percona.com/t/percona-mysql-5-7-standalone-for-arm-64-bit/37572)
**Author:** [@jbiancot](https://forums.percona.com/u/jbiancot)\ **Replies:** 1\ **Last updated:** [April 11, 2025, 1:37am UTC](https://forums.percona.com/t/percona-mysql-5-7-standalone-for-arm-64-bit/37572 "2025-04-11T01:37:42Z")
Hello there, I am looking forward to find a way to have install, or compile the source of Percona MySQL 5.7 for ARM 64 bit, like Apple Macs with M series chips, or if I am running a Ubuntu 22.04/24.04 or Debian 12.. for… --- ## [util.checkForServerUpgrade Error](https://forums.percona.com/t/util-checkforserverupgrade-error/36750)
**Author:** [@aycelen](https://forums.percona.com/u/aycelen)\ **Replies:** 8\ **Last updated:** [February 20, 2025, 10:54am UTC](https://forums.percona.com/t/util-checkforserverupgrade-error/36750 "2025-02-20T10:54:03Z")
Hello, I’ve got an error when I try to upgrade MySQL 5.7 to MySQL 8.0. Any idea how can I fix it. We’re using Debian Bullseye 11. Schema inconsistencies resulting from file removal or corruption Error: Following ta… --- ## [Does "STOP GROUP\_REPLICATION" break the cluster?](https://forums.percona.com/t/does-stop-group-replication-break-the-cluster/36620)
**Author:** [@aycelen](https://forums.percona.com/u/aycelen)\ **Replies:** 4\ **Last updated:** [February 17, 2025, 8:47am UTC](https://forums.percona.com/t/does-stop-group-replication-break-the-cluster/36620 "2025-02-17T08:47:11Z")
Hi there, We have an issue about after SSt. We need to “mysql\_upgrade” cuz we got an error like; “\[ERROR\] Incorrect definition of table performance\_schema.global\_variables: expected column ‘VARIABLE\_VALUE’ at positio… --- ## [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)
**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")
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… --- ## [How to install mysql 5.7 percona at Ubuntu 24.01 LTS?](https://forums.percona.com/t/how-to-install-mysql-5-7-percona-at-ubuntu-24-01-lts/36350)
**Author:** [@Song\_Yan\_Lee](https://forums.percona.com/u/Song_Yan_Lee)\ **Replies:** 4\ **Last updated:** [February 3, 2025, 5:02pm UTC](https://forums.percona.com/t/how-to-install-mysql-5-7-percona-at-ubuntu-24-01-lts/36350 "2025-02-03T17:02:27Z")
Hi All\> I tried install mysql 5.7 percona at ubuntu 24.01 But not working may i know ubuntu 24 is not supported mysql 5.7 percona? below is my installation step #Add Percona server repo wget https://repo.percona.co… --- ## [\[Closed\] Optimizing pt-archiver for row deletion ( 5.7.44-48 Percona Server)](https://forums.percona.com/t/closed-optimizing-pt-archiver-for-row-deletion-5-7-44-48-percona-server/36149)
**Author:** [@Jean\_Siebrits](https://forums.percona.com/u/Jean_Siebrits)\ **Replies:** 5\ **Last updated:** [January 16, 2025, 5:00am UTC](https://forums.percona.com/t/closed-optimizing-pt-archiver-for-row-deletion-5-7-44-48-percona-server/36149 "2025-01-16T05:00:18Z")
Good day We are running a MySQL version 5.7.44-48 Percona Server. We have a Zabbix database which has overgrown and I would like to purge all rows out of a table called “history\_uint” that is older than 90 days. Unfo… --- ## [Percona Master-Master-Slave Replication with ProxySQL setup](https://forums.percona.com/t/percona-master-master-slave-replication-with-proxysql-setup/34529)
**Author:** [@rahul\_ambekar](https://forums.percona.com/u/rahul_ambekar)\ **Replies:** 14\ **Last updated:** [January 9, 2025, 2:07pm UTC](https://forums.percona.com/t/percona-master-master-slave-replication-with-proxysql-setup/34529 "2025-01-09T14:07:21Z")
Dear Percona Support Team, I hope this message finds you well. We are currently using a Master-Master-Slave replication setup for our MySQL databases, with ProxySQL acting as the load balancer. The setup is used in an … --- ## [Simple select causing flow control pause of whole cluster](https://forums.percona.com/t/simple-select-causing-flow-control-pause-of-whole-cluster/35465)
**Author:** [@lebeda.jaromir](https://forums.percona.com/u/lebeda.jaromir)\ **Replies:** 13\ **Last updated:** [December 11, 2024, 10:48am UTC](https://forums.percona.com/t/simple-select-causing-flow-control-pause-of-whole-cluster/35465 "2024-12-11T10:48:34Z")
Hello, we are using MySQL with Percona XtraDB Cluster 5.7.44, 5 nodes (4 multimaster, 1 garb). When we run run simple query - just SELECT COUNT(\*) FROM SomeTable on node, which is dedicated only for reading requests (… --- ## [RAM Usage too high MySQL 5.7](https://forums.percona.com/t/ram-usage-too-high-mysql-5-7/18096)
**Author:** [@jeronimo.asensio](https://forums.percona.com/u/jeronimo.asensio)\ **Replies:** 4\ **Last updated:** [November 14, 2024, 4:06pm UTC](https://forums.percona.com/t/ram-usage-too-high-mysql-5-7/18096 "2024-11-14T16:06:44Z")
Greetings, It is the first time that I write in this blog, I have been consulting the posts that have already been treated on this subject, but I can not find the problem. I have a Percona Server 5.7.35-38-log that act… --- ## [Strange Seconds\_Behind\_Master behavior](https://forums.percona.com/t/strange-seconds-behind-master-behavior/31349)
**Author:** [@Deniska80](https://forums.percona.com/u/Deniska80)\ **Replies:** 6\ **Last updated:** [July 4, 2024, 11:52am UTC](https://forums.percona.com/t/strange-seconds-behind-master-behavior/31349 "2024-07-04T11:52:43Z")
Hello, i’ve got one master and two replics from this master (all the same versions 5.7.44-48-log), it’s GTID replication. One replica works fine, and the second one has issue. It’s “Seconds\_Behind\_Master” value constant… --- ## [What are ON.\* files?](https://forums.percona.com/t/what-are-on-files/30191)
**Author:** [@j\_a\_y](https://forums.percona.com/u/j_a_y)\ **Replies:** 4\ **Last updated:** [May 9, 2024, 7:08pm UTC](https://forums.percona.com/t/what-are-on-files/30191 "2024-05-09T19:08:11Z")
Apologies if this is a silly question, but I cannot seem to identify what "ON.\* files are. I have an “ON.index” file and numerous “ON.0000\*” files in my datadir directory. What are these files? --- ## [So many queries to get the name of procedure from mysql.proc](https://forums.percona.com/t/so-many-queries-to-get-the-name-of-procedure-from-mysql-proc/29672)
**Author:** [@erpramodprajapat](https://forums.percona.com/u/erpramodprajapat)\ **Replies:** 8\ **Last updated:** [April 16, 2024, 9:08pm UTC](https://forums.percona.com/t/so-many-queries-to-get-the-name-of-procedure-from-mysql-proc/29672 "2024-04-16T21:08:37Z")
Whenever we are querying process list there some queries we can see like SELECT db, name, type, comment FROM mysql.proc where db=‘test’ and name like ‘test\_proc’ ORDER BY name, type and when the load increases all threa… --- ## [Audit plugin is not honouring configuration parameters](https://forums.percona.com/t/audit-plugin-is-not-honouring-configuration-parameters/28998)
**Author:** [@macbar](https://forums.percona.com/u/macbar)\ **Replies:** 1\ **Last updated:** [March 9, 2024, 2:28am UTC](https://forums.percona.com/t/audit-plugin-is-not-honouring-configuration-parameters/28998 "2024-03-09T02:28:21Z")
Hi all, I’m having issues in making the audit log plugin behave correctly, notably, ignoring audit\_log\_syslog\_facility, audit\_log\_syslog\_ident and audit\_log\_include\_accounts. First of all, here’s my config: mysql\> sho… --- ## [Few times a normal query/proc is taking time to execute](https://forums.percona.com/t/few-times-a-normal-query-proc-is-taking-time-to-execute/28728)
**Author:** [@erpramodprajapat](https://forums.percona.com/u/erpramodprajapat)\ **Replies:** 4\ **Last updated:** [February 26, 2024, 1:13pm UTC](https://forums.percona.com/t/few-times-a-normal-query-proc-is-taking-time-to-execute/28728 "2024-02-26T13:13:06Z")
I ma having procedure that executing well its only scanning 2 rows max and 99.5% times its executing well less than 100ms, but at random times its taking 1.5 seconds or more sometimes, I have PMM in place, I explored loc… --- ## [Why PT-online-schema\_change not giving error for duplicate primary](https://forums.percona.com/t/why-pt-online-schema-change-not-giving-error-for-duplicate-primary/28721)
**Author:** [@erpramodprajapat](https://forums.percona.com/u/erpramodprajapat)\ **Replies:** 4\ **Last updated:** [February 26, 2024, 6:43am UTC](https://forums.percona.com/t/why-pt-online-schema-change-not-giving-error-for-duplicate-primary/28721 "2024-02-26T06:43:05Z")
We have faced a big issue while doing drop primary key and add primary key in pt-online-schema-change, While doing this the new primary key is having duplicate in so it should not create a primary key but this happening… --- ## [Pt-online-schema-change wsrep deadlock found](https://forums.percona.com/t/pt-online-schema-change-wsrep-deadlock-found/28559)
**Author:** [@hristomitev](https://forums.percona.com/u/hristomitev)\ **Replies:** 8\ **Last updated:** [February 22, 2024, 7:51am UTC](https://forums.percona.com/t/pt-online-schema-change-wsrep-deadlock-found/28559 "2024-02-22T07:51:54Z")
we use ptosc with liquibase to apply changes to schema. We have a small cluster with thousands of databases, each representing a tenant. This means that each time we need to apply a structure change to the schema it woul… --- ## [Capture X-Forwarded-For with Audit Plugin](https://forums.percona.com/t/capture-x-forwarded-for-with-audit-plugin/27896)
**Author:** [@btns](https://forums.percona.com/u/btns)\ **Replies:** 1\ **Last updated:** [February 20, 2024, 2:26pm UTC](https://forums.percona.com/t/capture-x-forwarded-for-with-audit-plugin/27896 "2024-02-20T14:26:45Z")
We have traffic coming by way of a load balancer that is able to pass X-Forwarded-For header values. Is the Audit plugin able to capture the value of this header in addition to the “ip” value captured in the audit.log f… --- ## [Different Query Output for Same Data in Percona vs MariaDB](https://forums.percona.com/t/different-query-output-for-same-data-in-percona-vs-mariadb/28359)
**Author:** [@Ankur](https://forums.percona.com/u/Ankur)\ **Replies:** 7\ **Last updated:** [February 13, 2024, 3:03pm UTC](https://forums.percona.com/t/different-query-output-for-same-data-in-percona-vs-mariadb/28359 "2024-02-13T15:03:49Z")
Dear All Copied database from Percona 5.5.57-38.9 to MariaDB 10.11.2. But on Mariadb when running following query its returning two rows whereas on Percona same query was returning one row, so need help to investigate t… --- ## [Replica out of sync - Percona MySQL version 5.7.32-35](https://forums.percona.com/t/replica-out-of-sync-percona-mysql-version-5-7-32-35/28302)
**Author:** [@MahendraB](https://forums.percona.com/u/MahendraB)\ **Replies:** 3\ **Last updated:** [February 8, 2024, 4:37am UTC](https://forums.percona.com/t/replica-out-of-sync-percona-mysql-version-5-7-32-35/28302 "2024-02-08T04:37:22Z")
I have a Master-Replica setup(Row based replication), both of them are on version 5.7.32-35. The server configurations are as follows : OS for Master/Replica : CentOS Linux release 7.5.1804 (Core). Both of the servers … [Next page](https://forums.percona.com/c/mysql-mariadb/percona-server-for-mysql-5-7/18.md?page=1)