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

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Installing and enabling both master and slave semisynchronous plugins on same server

I want to run a semisynchronous replication setup, and for simplicity I'd like to not have to INSTALL and UNINSTALL plugins when a slave is promoted to a master. So I'm wondering if I'll experience ...
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587 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 ...
3
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1answer
3k views

MySQL: Can't find .ibd files after turning on innodb_file_per_table

Question: This a question about MySQL. Let me give the specifics of my setup: Mac OSX 10.6.8 MySQL 5.5.28 Workbench 5.2.44 for all administration InnoDB engine exclusively In order to manage ...
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1answer
255 views

For a InnoDB only DB, which of these elements can be removed?

So, I'm trying to set up a Drupal 7 my.conf file that's combining best practices from various performance blogs. I'm realizing though that some of them are older than others, and many aren't assuming ...
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1answer
503 views

Drupal 7 Uses InnoDB, so do I need other configs?

If I'm optimizing a database that will be delivering multiple Drupal 7 websites, all using InnoDB, do I need to worry about [myisamchk] & [isamchk] sections, or can I just worry about the stuff ...
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2answers
116 views

What settings should I use in my.cnf

We have about 5-6 different internal webapps (staff use only) that we will be transferring across to a new virtual server, however I need to setup our my.cnf settings first and I am lost (I am web ...
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1answer
3k views

MySQL 5.6 OS X 10.8: how tell if my.cnf read?

With mysqld running, I expect to see that /etc/my.cnf has been used by at least one of the commands ps aux | grep mysql | grep -v grep mysqladmin variables | grep defaults-file showing the value ...
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95 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 ...
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2answers
8k views

Is my.cnf for mysql 5.5 is suitable and well tuned for below hardware spec?

My Hardware Spec Technology: Ivy Bridge CPU: Intel Xeon E3 1245v2 Intel Smart Cache: 8MB Cores / Threads: 4 / 8 Frequency: 3.4GHz+ / 3.8GHz Turbo Boost RAM: 32 GB DDR3 Hard disk: 2x 2TB SATA3 Raid 1 ...
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1answer
4k views

16 Cores 12 GB RAM server MySql Configuration - my.cnf

The server takes 20+ seconds (wait time/slow IO response time) to response to a HTTP request even with memcached and APC installed. I believe this has something to do with MYSQL since the site as lots ...
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3answers
15k views

How to initiate MySQL on Mac OS X 10.6.8?

I followed this tutorial to install MySQL on Mac OS X 10.6.8. Now I get he following errors: $ mysqladmin version /usr/local/mysql/bin/mysqladmin: connect to server at 'localhost' failed error: ...
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Mysql optimization help

I've tried optimizing mysql as good as I could, but apparently I'm not to good at it :-) So I come to you guys for help. Server specs are: AMD Opteron CPU 8 cores 16 GB RAM 2x2.000 GB HDD 7.200 RPM ...
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MySQL: optimal configs / methods for ALTER of large MyISAM table to InnoDB (17gb+) [duplicate]

I have a large MySQL (5.1) MyISAM table (13gb table, 4GB indexes - 40mm+ records) I'm going to be converting this table to InnoDB in a production environment. The DB is on a cloud server with ...
3
votes
1answer
917 views

How to set datadir to different values based on the hostname in my.cnf?

How to set datadir to different values based on the hostname in my.cnf? I want to use the same my.cnf file on a Linux machine and a Mac OS X machine where the datadir should have different values.
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2answers
2k views

Mysql replication - Error No. 1146&1062

short version In master master replication, How to have one master write data with odd IDs and the other one with even IDs? Is it the way to avoid conflict? detailed version I wanted to setup a ...
3
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1answer
11k views

MySQL my.cnf vs my-huge.cnf

I've recently installed MySQL server and client 5.5.28 through rpm packages on an openSUSE machine, and I was not able to locate my.cnf file. I look into all directories mysql --verbose --help | grep ...
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2answers
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What happened to my-*.cnf in MySQL 5.6.8?

Up to MySQL 5.6.7, the official RPM was shipping with these files: /usr/share/mysql/my-innodb-heavy-4G.cnf /usr/share/mysql/my-medium.cnf /usr/share/mysql/my-huge.cnf /usr/share/mysql/my-large.cnf ...
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2answers
4k views

The best MySQL configuration for my server

I'm little newbie in configuring mysql and I need some advices. Few days ago I made little home server on Ubuntu Server 12.04 with samba, mysql 5.5, apache 2.2, PHP 5.4.6 etc. I'm using it to ...
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2answers
5k views

MySQL “server has gone away” using SQLyog

I'm trying to copy a database from a server to my local machine, I've installed Wamp 2.2, mysql 5.5.16, but during copying db I m getting "mysql server has gone" 2006, I've tried to fix it by changing ...
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3answers
6k views

innodb_buffer_pool_size not changed

I use MySQL 5.5.23-1~dotdeb.0 (Debian) and here is the relevant part of my.cnf default-storage-engine = innodb innodb_buffer_pool_size = 3G innodb_log_file_size = 256M innodb_thread_concurrency = 8 ...
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1answer
590 views

“set-variable = innodb_thread_concurrency=4” or “innodb_thread_concurrency=4”

Based on this question, the asker wrote: set-variable = innodb_buffer_pool_size=2M set-variable = innodb_additional_mem_pool_size=500K set-variable = innodb_log_buffer_size=500K set-variable = ...
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1answer
227 views

some InnoDB settings in My.cnf are messing up everything, why?

When I edit my.cnf in MySQL 5.0 in filemanager and add the following settings, I get logged out automatically from Kloxo and when I remove these line and restart server everything is ok then: ...
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1answer
48 views

All manual settings get wiped out when saved in My.cnf, why? [closed]

When I open my.cnf to enter manual setting like: innodb_buffer_pool_size = 50M innodb_log_file_size = 15M bulk_insert_buffer_size=25M log-slow-queries = mysql-inja-slow.log All of my settings get ...
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1answer
270 views

What is the difference between setting the directive default-character-set under [client] as opposed to [mysqld]?

Reference: http://stackoverflow.com/a/8690422/784637 Correct me if I'm wrong, but the best answer suggests a way to force everything being inputted into the database to be encoded in utf-8 and ...
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1answer
467 views

For 768M RAM server is 617M allocation in my.cnf good or bad?

I have a write-intensive web app, and I bought a VDS with 768M RAM Is this my.cnf good for my purposes? I specified bulk_insert_buffer_size to 126M and some other parameters as below: ...
3
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1answer
5k views

Mysql fulltext search my.cnf optimization

I have open a question on http://serverfault.com/questions/353888/mysql-full-text-search-cause-high-usage-cpu Some user recommended asking here. We built a news site. Every day we will input tens of ...
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2answers
3k views

Insert-heavy InnoDB table won't use all my CPU

I have a packet log database, which is almost never queried. It just needs to be fast on inserts. I'm using InnoDB because I'd like to maintain ACID compliance, since even losing a single packet could ...
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2answers
937 views

Read mysql config (my.cnf) using mysql console

I have a mysql server that is not under my control (I don't have ssh on that machine). I only have access to one database using mysql client. How can I have access to config options that are declared ...
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2answers
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Creating and editing my.cnf by MySQL Workbench?

I just installed MySQL Server and MySQL Workbench on a clean Snow Leopard MacBook. I hooked up Workbench with the server and was able to start the MySQL Server from within the Workbench. I enter the ...
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1answer
2k views

How to update mysql my.cnf without getting error?

I updated the MySQL my.conf file and and restarted my server without a problem. As soon as I tried to access a table I received the error mysql #1033 - Incorrect information in file: I reverted ...
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1answer
1k views

mysql error log issue

I have mysql server running successfully. The error log location is as.. mysql> show variables like '%log_erro%'; +---------------+------------------------+ | Variable_name | Value ...
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3answers
4k views

Confirm that my.cnf file has loaded OK

Does anyone know if there is a way to confirm if any my.cnf file is being read by MySQL? I only have the one my.cnf on the machine (and there are no my.ini files) which I have in /etc/my.cnf. When I ...
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1answer
810 views

MySQL not reading my.cnf in MAMP

Running MAMP (not PRO) 2.0.5, MySQL 5.5.9, locally on OS X and I cannot get MySQL to read a my.cnf file. I've tried throwing it in the following directories with no results: /Applications/MAMP/conf ...
4
votes
2answers
2k views

How to optimize the my.cnf of a MySQL server that mixes InnoDB and MyISAM tablespaces?

I have a database that, because of some issues, I needed to convert some tables from MyISAM to InnoDB. I basically did this: set sql_log_bin = 0; set sql_mode = 'STRICT_ALL_TABLES'; ALTER TABLE ...
8
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2answers
39k views

How to configure global charset on MySQL

I tried to change the charset for our MySQL via my.cnf and it failed. I added the charset settings listed below: # The MySQL server [mysqld] port = 3306 socket = ...
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votes
3answers
17k views

Where does my.cnf get stored in Linux?

I am new to linux, and i just installed MySQL-server-5.1.59-1.glibc23.i386.rpm in my linux machine. I wanted to know where my.cnf file gets stored..? Will my.cnf gets created with the installation ...