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

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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 ...
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108 views

Please recommend changes for my.cnf

I am not having any performance problems per se but want to improve my sites' performance if possible. Would appreciate any advice for how I can improve my.cnf. I have just one server, not ...
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1k 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 ...
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496 views

Mysql Optimization suggessions

I have an InnoDB database table with more than 2 million rows. I am running efficienty indexed queries to reduce server load, but site becomes slower day by day. I ran Mysqltuner.pl to identify any ...
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Mariadb on Centos 7 not changing max connections based on my.cnf

The following configuration in my.cnf is not being followed. Max_connections go back to 151. please help as i have 16gb of dedicated ram that i would like to use properly. [mysqld] ...
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194 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 ...
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87 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 ...
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574 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 ...
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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 ...
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143 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, ...
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25 views

mysql processes still alive from processlist

I have already posted this on stackoverflow, but I got no answer: mysql processes still alive from processlist I have this in my my.cnf: wait_timeout=1800 interactive_timeout=1800 ...
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Importing old SQL database dump onto local Windows 10 desktop system

Hi I just installed MySQL 5.6 on Windows 10 x64. I'm trying to execute an old backup file that happens to be 5 gigs. Some of the insert lines are really long and so the server loses connection. I ...
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Creating mysql config setting per database

I am trying to setup MySQL so one database auto increments by 2. I am using the auto_increment_increment variable in my.cnf configuration file, but this is being applied to every database. I would ...
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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 ...
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202 views

Configuration help my.cnf Mysql

Is the following my.cnf file OK for a dedicated server with 56GB of RAM (on ubuntu server and 8 processors)? I'm running just one website on the server and there is a high demand on my cpu from ...
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69 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 ...
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1k 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 ...
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2k 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 ...
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665 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 ...
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106 views

MySQL max_connections Changed Without Notice

I'm running a Linux (512MB of RAM) server with MySQL 5.1. I host an app that is used by a small # of users (less than 50). Everything has been working fine until yesterday, connecting to my DB would ...