Last call to make your voice heard! Our 2022 Developer Survey closes in less than a week. Take survey.

Questions tagged [percona]

Percona : MySQL open source fork with performance improvements

Filter by
Sorted by
Tagged with
0 votes
0 answers
27 views

how to take mysql xtrabackup to a remote server

I have a server running with mysql with huge db of 1 TB. Now, I want to take full backup through percona xtra backup, because incremental backup is easy with percona xtrabackup. Now,if I initiate ...
user avatar
0 votes
1 answer
27 views

MySQL 8 replication via non-ssl connecion

I'm trying to setup tiny master-slave environment with percona-server-server.x86_64-8.0.27-18.1.el8. A plan is to use non-ssl connections between the nodes as the servers will communicate in the LAN ...
user avatar
  • 1
0 votes
0 answers
44 views

Automate Percona Server installation

I'm installing Percona Server 8.0 on Ubuntu using ansible, so it's non-interactive. I'm trying to run the post-install mysql_secure_installation program, but that's not much good without interaction. ...
user avatar
  • 2,968
0 votes
1 answer
167 views

Can't restore master/slave replication from Percona backup (slave server)

A slave is restored from a master backup created with Percona xtrabackup On the master binlog is set to expire in 14 days and this backup is less than 24 hours old my.cnf (master) expire_logs_days = ...
user avatar
  • 1,825
0 votes
0 answers
187 views

Mysql 5.7 slave poor performance with 5.6 master

We recently reinstalled 3 of our mysql servers running in master slave with percona 5.7 and ubuntu 18.04 instead of oracle linux 7. These servers are currently connected to a mysql 5.6 master. And ...
user avatar
1 vote
1 answer
226 views

My innodb new rows disappear mysteriously

I used percona server 5.7 as my database on AWS. The problem is there's sometimes rows disappear mysteriously without a clue. My Backend using Node.JS already got inserted id from auto increment but ...
user avatar
0 votes
1 answer
143 views

Get rid of debian-sys-maint instead of root in MySQL 8

We've recently upgraded from MySQL Percona 5.7 to 8 and we're in the phase of transitioning from mysql_native_password to caching_sha2_password. As far as I understand, the only way to upgrade the ...
user avatar
  • 1,103
1 vote
0 answers
84 views

Does mcafee mysql audit plugin not work on Percona Server 5.7.27-30?

My environment is 5.7.27-30-log Percona Server on CentOS 7.4. When I installed this plugin (audit-plugin-percona-5.7-1.1.7-866), I got the following error messages. mysql> INSTALL PLUGIN AUDIT ...
user avatar
  • 11
0 votes
1 answer
100 views

Can not stop mysqld after database upgrade

I have an old Galera cluster (MySQL 5.5) that I am upgrading to Percona XtraDB (MySQL 5.7) on Ubuntu 18.04 LTS. I have successfully imported the database with xtrabackup and synced the cluster - so ...
user avatar
  • 113
1 vote
1 answer
5k views

Constant problems with php-fpm, CPU usage 100% non-stop (No visitors even)

We are running two servers one for the application and one for the DB and some other software to keep the load off from the application's server, we are running CentOS and the latest version of PHP (7....
user avatar
1 vote
0 answers
316 views

Mysql docker on centos not working

I use centos as server and I use docker-compose like: mysql: build: ./DockerFiles/Mysql ports: - ${LOCAL_PHP_IP}:${MYSQL_PORT}:3306 privileged: true environment: ...
user avatar
1 vote
0 answers
94 views

What is the alternative for innodb_track_changed_pages in Debian 10/MariaDB 10.3

So we have been using Debian 9 with MariaDB 10.1. For faster backups (total DB size across three DBs is > 1TB) we have enabled innodb_track_changed_pages. However, that feature has gone away on ...
user avatar
0 votes
1 answer
101 views

changing from percona to mariadb without losing data

i have a production server running with percona. but i don't really like it anymore and i'm more used to mariadb. can i change from percona to mariadb without losing any data or having compatibility ...
user avatar
0 votes
1 answer
838 views

automysqlbackup failes with ERROR 1045 (18000) Access denied ... after password change

I have two almost identical ubuntu database servers, and automysqlbackup was happily running on both of them on using Percona 5.7 databases. On one of them I have changed the database root password....
user avatar
  • 153
0 votes
1 answer
240 views

percona toolkit pt-kill command --ignore-state flag

I have the following pt-kill daemon setup. It works but doesn't kill a query such as SELECT GET_LOCK(300). If I remove --ignore-state 'User lock' will this fix it? sudo /usr/bin/pt-kill --ignore-...
user avatar
1 vote
2 answers
458 views

Tune Percona Server 5.7

I am using a 4 core ubuntu cloud server with 8gb and ssds. There I have only one database for a Magento store which is about 2GB size. Last month after some changes I made it seems that database ...
user avatar
  • 143
0 votes
2 answers
219 views

Fastest way to move Innodb database from one server to another

I understand I can use mysqldump or xtrabackup to move InnoDB from one db to another. Considering I am okay with server down time, are there better way to move InnoDB database? I have tried copying ...
user avatar
  • 5,291
-1 votes
2 answers
470 views

Increasing the number of connections MySQL 8 can handle (Debian 9 server) and auto restart event scheduler

I have a Debian 9 server (12 CPUs, 80GB of RAM), running Percona server for MySQL 8.0, about 1100 clients per second, the load is not very high around 0.3 to 2.30 Latested numbers from show engine ...
user avatar
0 votes
2 answers
501 views

Enabling Encryption at Rest for MongoDB Generates Error

Running Percona Server for MongoDB server version: v3.6.8-2.0. I am attempting to enable encryption at rest using the procedure outlined in the following: https://www.percona.com/blog/2018/11/01/...
user avatar
  • 131
2 votes
2 answers
4k views

Mysql backup of remote server in local machine using percona xtrabackup

I have percona xtrabackup installed in my ubuntu client machine. My local machine IP address is 192.168.0.100. The database that i need to backup is in 192.168.0.200. Is it possible to do the backup ...
user avatar
  • 21
4 votes
3 answers
4k views

Entire proxmox Xen Node has grey question marks + database container gone

Firstly, i've recently taken on the management of a proxmox cluster which I have had no experience managing previously (i'm completely new to cluster management, but not too bad at linux). pve-...
user avatar
  • 809
0 votes
1 answer
181 views

How to monitor mysql status variables and push to slack?

I've been trying to find a free way to monitor mysql status variables and push a slack notification when certain variables hit a threshold (ie: large number of connections). At the moment, all the ...
user avatar
  • 809
0 votes
2 answers
811 views

Nginx: location with proxy_pass, including uri (Percona PMM)

I'm trying to setup a proxy with Nginx for Percona Monitoring and Management (PMM). I'm using their public demo site for a testing purpose. The goal is to expose PMM interface via URL like https://...
user avatar
  • 3,010
-2 votes
1 answer
285 views

How to run pt-kill on CentOS Server [closed]

So, I have downloaded pt-kill file with: wget percona.com/get/pt-kill Now, I tried running it, but everything is not working? How do you run this file?
user avatar
  • 113
0 votes
2 answers
660 views

Recover a failing node on Percona 5.5.41-37.0-55

I have a 3 node percona cluster of where 1 of the nodes has, because of a server crash, InnoDB log sequence problems. 180425 17:32:53 InnoDB: Error: page 151555 log sequence number 12431827692 ...
user avatar
0 votes
0 answers
370 views

How do I determine what is causing MySQL (Percona server) to crash on Linux

I am running the Percona version of MySQL Server v5.6 and every few days the MySQL seems to crash and then automatically restart itself. How can I work out what the reason is for the crash? I've seen ...
user avatar
0 votes
0 answers
356 views

Having trouble updgraring mysql (Obsoleted By: Percona ... )

I'm trying to upgrage mysql 5.1 to 5.5. Following this link step by step : https://www.zerostopbits.com/how-to-upgrade-mysql-5-1-to-mysql-5-5-on-centos-6-7/ But yum -y update mysql* gives me errorrs....
user avatar
  • 111
0 votes
1 answer
692 views

Connect MySQL using SSL only with the --ssl-ca option

I copied the ca.pem from server (Percona default 5.7 Ubuntu deb) able to make a secure connection with mysql --ssl-ca=/var/lib/mysql/ca.pem -u root I find that the options --ssl-cert and --ssl-key ...
user avatar
  • 5,291
0 votes
1 answer
414 views

How to set config file to percona-mongodb

I have an percona/percona-server-mongodb image of mongo. I tried to mount my mongod.conf. How to set config and run mongo with config file? docker run --name mongo1 -v /opt/mongo/mongod3.conf:/etc/...
user avatar
0 votes
2 answers
312 views

mysql to percona replication

Recently my employer was acquired by a bigger company and the new CTO wants us to move to their software stack. We have MySQL as the DB server, and they have Percona. So... what are the option to do ...
user avatar
  • 7,964
0 votes
1 answer
770 views

Initial Xtradb Cluster setup -- each node comes up isolated

I'm setting up a percona-xtradb-cluster-57 (3 nodes) on Ubuntu 16.04. They are to communicate using a private network, 10.254.10.101 through 10.254.10.103. When I follow the instructions on Percona'...
user avatar
4 votes
2 answers
4k views

centos yum remove mysql will remove core components

Centos 7 x64, mysql-community 5.7 is installed from mysql57-community repo. I am in the process of switching from mysql to percona. However, the first step is scary when I try to uninstall mysql. ...
user avatar
  • 277
1 vote
1 answer
1k views

mysql tries to connect to localhost at startup, [Note] Access denied for user 'root'@'localhost' (using password: NO)

When I start/restart the mysql service, I always see this row in the log: 2017-07-19T17:35:02.379166Z 5 [Note] Access denied for user 'root'@'localhost' (using password: NO) What is it trying to ...
user avatar
  • 402
0 votes
1 answer
227 views

how to speedup SELECT BENCHMARK(1000000,ENCODE('hello',RAND()));

I would like some ideas for speeding up the the query below: SELECT BENCHMARK(1000000,ENCODE('hello',RAND())); Currently, I've been playing around with the my.cnf option and I can execute this in 9....
user avatar
2 votes
0 answers
2k views

MYSQL: Aborted connection to db: 'unconnected' user: debian-sys-maint' host: 'localhost' (Got timeout reading communication packets)

I recently migrated all my logs to a new service, where I could see a recurring bug in mysql. The message is the following: Aborted connection <NUM> to db: 'unconnected' user: debian-sys-maint'...
user avatar
  • 121
0 votes
2 answers
2k views

Percona-Server-shared my.cnf file conflicts with file from package mysql-community-server-5.5

I'm trying to install Percona Toolkit on the server where there is already mysql-community-server5.5.52 is running. I require pt-table-checksum and pt-table-snc utility, so I ran: yum install ...
user avatar
6 votes
1 answer
8k views

mysqldump: The 'INFORMATION_SCHEMA.SESSION_VARIABLES' feature is disabled

When I try to run mysqldump on a Percona Server 5.7.17-12, I get this error: # mysqldump -u backups -pxxxx -h 127.0.0.1 --single-transaction --quick dbname mysqldump: [Warning] Using a password on ...
user avatar
  • 402
0 votes
1 answer
71 views

Percona xtradb cluster 1 node consuming memory

I've installed percona xtradb cluster on 3 nodes and all is good until i noticed that 1 node is consuming memory much more the other nodes So i decided to stop all traffic going to this nodes and ...
user avatar
1 vote
1 answer
292 views

Is there a way to load large BLOBs without restarting MySQL?

I'm trying to move the last few databases off an older mysql server, but one in particular has me stumped: ERROR 1118 (42000) at line 595: The size of BLOB/TEXT data inserted in one transaction is ...
user avatar
  • 14.1k
2 votes
1 answer
540 views

mysqladmin not waiting for full shutdown (or debian init.d script broken?)

I'm running Percona MySQL server 5.6 (from packages) on debian wheezy (same behavior on jessie). Unfortunately I always get this: # service mysql stop [FAIL] Stopping MySQL (Percona Server): mysqld ...
user avatar
0 votes
1 answer
2k views

Will running mysqldump on one Percona XtraDB cluster node affect performance on the others?

I have a Percona XtraDB cluster with 3 nodes. Only one of these nodes is connected to by the application that uses the database. I would like to perform 'hot backups' simply using mysqldump on one of ...
user avatar
  • 133
0 votes
0 answers
185 views

Cannot create InnoDB tables

I have a working Percona database server running multiple databases with mostly InnoDB tables (maybe a few hundred tables total). Any table that exists is working fine, yet I cannot convert any ...
user avatar
4 votes
1 answer
690 views

Is there a (mostly) safe way to backup live MySQL databases using zfs snapshots

Basically what I'm looking for is a way to tell mysql (percona-flavored) to take the following steps: Flush all committed transactions to the filesystem Start buffering all transactions (keep the ...
user avatar
0 votes
1 answer
319 views

Activating PAM configuration for Percona

I'm trying to configure Percona with LDAP support via PAM including group mappings and restriction. My Percona authentication setup is as follows: INSTALL PLUGIN pam SONAME 'auth_pam.so'; create ...
user avatar
0 votes
0 answers
83 views

pt-pmp fails to run on percona 5.5 ubuntu 12.04

Command: [mysql] root:/mnt# pt-pmp --pid 16898 Wed Dec 7 18:41:51 UTC 2016 warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fffd4126000 18 libaio::??(libaio....
user avatar
  • 11
0 votes
1 answer
168 views

Percona 5.7 restarting and drop my connection

i have fight with this bug a long time now, when i run scripts to MySQL (Percona) i disconnect me, and when i try to import a mysql dump from a live server its here disconnect me to. So what i'm ...
user avatar
0 votes
2 answers
647 views

Percona mysql-server on ubuntu 16.04

Issue: Can't install Percona mysql server. Platform: Ubuntu 16.04 x64 Server is an Openvz container. Memory: 1.5GB installation method apt-get install percona-xtradb-cluster-server-5.6 Source: ...
user avatar
0 votes
1 answer
3k views

CentOS6 box: yum remove Percona-Server-shared-51 dependencies

I want to install Percona 5.7, but when I run the relevant yum command it tells me that 57 clashes with Percona-Server-shared-51. I don't really know why I even have that installed, since I also have ...
user avatar
  • 1,034
0 votes
1 answer
79 views

PerconaDB cant run without innodb_recovery 4

My Percona 5.7.11-4 crashed without cause. Now I can run only with innodb force recovery = 4. Here is backtrace from log. Can you help? Thank you. > Thread pointer: 0x0 Attempting backtrace. You ...
user avatar
  • 387
2 votes
1 answer
1k views

Percona XtraDB Cluster 5.6 does not start

All the good days. I want to run for test purposes Percona XtraDb Cluster on ubuntu 14.04. The basis here took these two articles https://habrahabr.ru/post/152969/ https://www.percona.com/doc/percona-...
user avatar