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Questions tagged [my.cnf]

my.cnf is the configuration file for MySQL server, client programs, and utilities.

27 questions with no upvoted or accepted answers
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0answers
319 views

MySQL RDS Incompatible Restore while creating read replica

We have multiple m5 generation MySQL RDS instance. The problem we are facing is that while creating read replica for these instances we are repeatedly getting 'incompatible-restore' error. In the ...
3
votes
1answer
5k views

MariaDB is ignoring /etc/my.cnf

The variable I am trying to change is innodb_buffer_pool_size. As you can see below the settings is 512M. But SELECT @@innodb_buffer_pool_size; returns 134217728. When I execute: /usr/libexec/mysqld -...
2
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1answer
1k views

wait_timeout kills session in SLEEP MODE or all connection ?`

Do wait_timeout session clear all running session or only sessions which are in SLEEP mode for specified seconds ?
2
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0answers
845 views

How to unlock / repair mysql.sock

My issues have spawned from file permission changes leading to the popular ERROR! MySQL server PID file could not be found! error. However, I believe I've repaired them, but still cannot restart MySQL....
2
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0answers
146 views

Suggestion To Improve My.cnf INNODB

I'm after suggestions on how to increase mysql performance on my server, any help would be greatly appreciated. CPU - 4 core RAM - 16GB Databases - 14 Innodb databases with around 20 tables in each (...
2
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0answers
1k views

mariadb out of memory crash

I have recently migrated from mysql (5.5.36 MySQL Community Server (GPL)) to MariaDB (10.0.10-MariaDB-1~wheezy), along with switching my cloud hosting provider. Both machines have 2GB RAM and 1GB swap....
1
vote
2answers
82 views

Need suggestions in improving my.cnf configuration

i need some suggestions in improving MySQL performance, i didn't find any issues in general but i feel MySQL is taking more CPU than before. Below is the output from mysqltuner.pl >> ...
1
vote
2answers
121 views

Mysql optimization edit my.cnf

Firstly, I am a beginner. I have a server, which has 32 GB RAM and 16 CPUs. I am working on MySQL optimization, but I have a problem. I am trying to set the InnoDB buffer pool instances = 8. But it'...
1
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0answers
715 views

Slow MariaDB performance my.cnf

I migrated my eCommerce website database (Magento) from MySQL to MariaDB (10.0.25-MariaDB) and my site isn't performing as well as it did with MySQL. I've gone through my.cnf several times but to be ...
1
vote
2answers
30 views

I want to set lower_case_variables to 1 but I'm unable to locate my.cnf

MySQL was started with service mysql start only, but it is not showing the default path of my.cnf: [root@localhost home]# ps -ef|grep mysql root 23505 1 0 19:23 pts/4 00:00:00 /bin/sh /...
1
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0answers
180 views

Connection timed out & MySQL server has gone away with innodb engine

I have created chat application which ping server every sec for messages. Currently I have done load test with httperf, with 500 request/sec. "Connection timed out & MySQL server has gone away ...
1
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0answers
384 views

MySQL InnoDB Configuration with 60Gb of Memory

I'm running a large MySQL Database, in the range of 30Gb in size. The MySQL 5.5 server is running on a dedicated server with 60GB of RAM, with no other processes installed apart from monitoring tools, ...
0
votes
1answer
30 views

MySQL server upgrade, how to adapt variables?

I am about to upgrade my MySQL server because I have currently used it mainly with a couple of people in the development stage. Before we launch, however, we would like more capacity to avoid the ...
0
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0answers
18 views

Mysql Shell doesn't change the configuration of my database for group replication

I am attempting to use a preexisting database on multiple nodes in a group replication setting. I am using mysqlsh 8.0.16, mysql server 5.7.24 and ubuntu 16.04 as the host. When I attempt to ...
0
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0answers
50 views

create /var/log/mysql/mysql.log with permissions just like /var/log/mysql/error.log

In mysqld.cnf there was by default uncommented: log_error = /var/log/mysql/error.log and commented out: #general_log_file = /var/log/mysql/mysql.log #general_log = 1 I can view error.log file ...
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0answers
146 views

MySQL listens at port 3306 even after changing it

I changed MySQL default port from 3306 to 12929 in my.cnf in both client and mysqld sections on Debian. After that I restarted MySQL service. Then I ran netstat -tln and saw that MySQL is still ...
0
votes
1answer
641 views

Slave Connection 1130

So I have a CentOS server that I have started to configure replication on my local machine. When I take a look at the master server with show master status;, I get the following: +------------------+...
0
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0answers
94 views

Does mysqlnd expose PDO connection data to process/log files?

So I was trying to figure out how to write an automated backup script for php on a shared webhost to execute using mysqldump, with no root access to core php.ini or mysql config on the remote database ...
0
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0answers
41 views

Checking for replication options

I have a master/master setup with one DB in each. DB name and tables in one server are different from the other, and few 'user' tables are being replicated with the option replicate-do-table. (It's ...
0
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0answers
72 views

amazon small instance mysql query too slow

I have mysql database with 1.5 millions records with 2 million categories records. when i do query on categories and city where clause it takes 304989 milliseconds. on localhost it too fast. i tried ...
0
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2answers
4k views

How to configure my.cnf for Mysql 5.1, which is using too much CPU?

I am new Database engineer. I am having trouble in my server which is using too much CPU on database query(simple count statement). I have googled about it, so i found out it depends on system ...
0
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0answers
2k views

MySQL - Out of memory: Kill process 3046 (mysqld)

We run a MySQL (v5.6.17) dump backup every 4 hours, and today noticed: Apr 19 20:09:30 mysql1 kernel: Out of memory: Kill process 3046 (mysqld) score 970 or sacrifice child Apr 19 20:09:30 mysql1 ...
0
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0answers
3k views

MySQL: High sort_buffer_size setting value

Thing is I was getting plenty of 131104 20:10:36 [ERROR] /usr/sbin/mysqld: Sort aborted with 256M and rather erratic behaviour in my load test. Now at sort_buffer_size = 1024M ...
0
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0answers
815 views

InnoDB errors after having deleted “ibdata1”

By accident, I have deleted the ibdata1 file in the MySQL directory because MySQL wasn't functioning correctly. After reading so many forums, I found a post that recommended deleting the 3 files ...
0
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1answer
260 views

How to configure my.cnf in 5.6.17?

On production server(linux machine mysql 5.6.17), I tried to find my.cnf to change the system variables, but my.cnf was not in /etc/my.cnf location. It was in usr/ directory. Also that file contains ...
-1
votes
3answers
106 views

Less traffic, But Mysql Still Hit upto 200%

I Run WordPress On my with with Less traffic, 5 or 6 online, but mysql till hits upto 200%, though sometimes it come down to 100 or less, but it still goes up to 200% again, the funniest thing is that ...
-1
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1answer
2k views

Got error while reverting mysql 5.7 to mysql 5.6

Got error while doing mysql service restart. Googled a lot, but nothing fix my issue. [ERROR] Fatal error: mysql.user table is damaged or in unsupported 3.20 format. 2016-04-23 11:10:38 22185 [...