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

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Errors while creating multiple mysql-5.5 instances

I have installed 3rd mysql instance on my testing server. 2 instances already running without any issues. When I installed 3rd instance by mysql-5.5.30 zip source, it installed successfully but when ...
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1answer
17 views

1000 visitors per day have my web page and MySQL scratching at certain times and my.cnf

1000 visitors per day have my web page and MySQL scratching at certain times. "tuning primary" and I edit my my.cnf file is as follows. In what way do you optimize it the best I can. nice = 0 ...
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266 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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0answers
244 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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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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342 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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50 views

How can I check the number of TCP/IP connections in MySQL's Connection Queue ( back_log )?`

I'm chasing connection issues with a very busy MySQL server and I've increased the back_log setting from the default of 50 to 2048. I can see that the setting has taken affect in the DB, but I was ...
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892 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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472 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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79 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 ...