The tag has no usage guidance.

learn more… | top users | synonyms

0
votes
2answers
1k views

Mysql 5.5 is not installed in CentOS 5.7

I am using CentOS 5.7 with 64 bit. In my machine already have MySQL 5.0.88 version. Now I want to upgrade MySQL to 5.5 version. I followed this link to start my installation process. When i give "yum ...
0
votes
1answer
618 views

Apt-get error when upgrading mysql from running out of room

I ran out of room on my drive on an ec2 instance and it mounted the overflow /tmp space. I noticed this when I did an apt-get update/upgrade and the upgrade failed because it had no more room on tmp. ...
0
votes
1answer
1k views

Getting mysqld_multi to work with upstart

I used this guide to get started and this wiki page as a reference for the upstart script. My problem is that when I do a service mysql start I get six processes instead of two, as if upstart ran ...
0
votes
1answer
613 views

mysql database config optimization

Have a heavily trafficed database running mostly innodb and would like to better optimize the mysql config. Server has 32Gb ram and the biggest tables are ~18Gb innodb. I think I have done all the ...
0
votes
0answers
195 views

fail to upgrade from mysql5.1 to mysql5.5 (Ubuntu 11.04)

I follow instruction in that blog upgrade from mysql5.1 to mysql5.5: http://ronaldbradford.com/blog/upgrading-to-mysql-5-5-on-ubuntu-10-04-lts-2013-01-22/ Step 1. Remove existing MySQL 5.1 retaining ...
2
votes
2answers
821 views

Does mysql connection error count ever flush or will the host eventually get blocked?

During performance testing of our application I found that under extreme loads one problem that can occur is the occasional mysql connection error (i.e. at this stage I don't believe it is fair to ...
-1
votes
1answer
348 views

MySQL Configuration on my.cnf [closed]

[mysqld] core-file default-storage-engine=MyISAM max_connections = 5000 max_user_connections = 5000 key_buffer = 1024MB myisam_sort_buffer_size = 512M join_buffer_size = 256M read_buffer_size = 256M ...
-1
votes
1answer
36 views

MySQL statement [closed]

How to create a MySQL statement to check expiry and and deactivate a/c on matched date? desc mailbox; username varchar pass varchar created datetime expiry datetime active tinyint(1) I ...
0
votes
0answers
210 views

Import large InnoDB table dump

i've a mysqldump ( 1.5G large ) of a table I need to import. The server i bought, which is clean and not under load, takes > 2hours to import it. I read many tweaks i can use to speed up the import ...
0
votes
0answers
700 views

Ubuntu 12.04 64bit - What would cause high System CPU %sys during high MySQL loads?

128GB RAM, 32cores Xeon RAID 10 SSD. Mysql version is the latest 5.5 for Ubuntu 12.04 . We have a lot of queries - about 1800+ per second. During high MySQL load - 2700+% load on a 32 CPU system - ...
0
votes
1answer
116 views

How to solve mysql server 5.5 update dependency issue?

since a month or two i cannot update package on my ubuntu server. The problem concern the mysql package which seems newer on the server that the minimum required ?? : lm@s8:~# sudo apt-get upgrade ...
1
vote
1answer
542 views

MySQL is too slow on Windows VPS

I'm running a wordpress blog on my VPS, But MySQL Queries are taking too much time. For example, it is taking more than 1.5 seconds to load a post from database. But CPU and RAM usage is low on my ...
15
votes
1answer
1k views

All MySQL Databases lost overnight

After a call from a customer to say that his website is down, I find that MySQL on our RackSpace Cloud Windows 2008 server was not running. I restarted MySQL but got the 'Access denied for user' error ...
1
vote
0answers
196 views

New Windows Server 2008 R2 WIMP running slower than Windows Server 2003

We recently upgraded a WIMP server from Windows Server 2003 (32 bit) to Windows Server 2008 R2 (64 bit). The new server has significantly better hardware than the old server, yet many processes take ...
2
votes
2answers
1k views

MySQL not releasing temp file descriptors

Since a few days ago, we’ve been experiencing some serious problems with our MySQL installation: MySQL keeps opening temporal files (normal behaviour) but these files are never released. The ...
1
vote
1answer
437 views

After creating a mysql user with all privileges, the user cannot create databases in phpMyAdmin and only sees information_schema table

This is a recurring problem for some reason... Using mysql 5.5, I am simply trying to create a user that can connect to the database remotely, have access to all databases, and create databases. I ...
0
votes
2answers
2k views

Create a super user in MySQL 5.5 not working: Permission denied for root@localhost

Using CentOS 6, logged in to MySQL as root, entering the command: create user 'user123' identified by 'pass123'; works fine. But when I try and give that user super user privileges with: grant ...
1
vote
1answer
40 views

Purpose of “computer” section in MySQL Cluster 7.2?

According to the cluster documentation, you can either define data nodes with: [ndbd] NodeId=n HostName=1.2.3.4 or [ndbd] NodeId=n ExecuteOnComputer=m [computer] Id=m HostName=1.2.3.4 I don't ...
1
vote
1answer
78 views

can not connect mysql with php script

I am new install centos6.2. in ssh part, I could access mysql with: >mysql -u root -p >se659;m then I could see mysql> and I could use any mysql command like: show databases;, show ...
0
votes
1answer
319 views

How to take mysql replication backup

I have a MySQL master-master replication setup with a slave for each master(only one master used for read/writes at a time) on Ubuntu server. Wondering what would be the best way to schedule backup of ...
3
votes
2answers
6k views

Maximum execution time of 300 seconds exceeded error while importing large MySQL database

I'm trying to import 641 MB MySQL database with a command: mysql -u root -p ddamiane_fakty < domenyin_damian_fakty.sql but I got an error: ERROR 1064 (42000) at line 2351406: You have an error ...
1
vote
1answer
114 views

Migrate to mysql replication server without interuption

I have a 3 apache2 / tomcat servers in a load balanced setup. Each tomcat server is connecting to a MySQL v5.0 database (all 3 share it). I created on the same network a MySQL v5.5 semisynchronus ...
2
votes
1answer
2k views

MySQL 5.5 replication setup on ubuntu 12.04

The following master-master configuration worked on MySQL Server 5.1.x(Ubuntu 10.04). Master1(192.168.2.80) ################################## #MySQL Replication ################################## ...
1
vote
3answers
4k views

Install MySQL 5.6 on CentOS 6.3 gone WRONG

I am trying to install MySQL 5.6 on CentOS 6.3 64bit using the .rpms provided by MySQL. I downloaded all the 64bit linux rpms into /usr/local/src/mysql and performed rpm -Uvh *. The installation gave ...
2
votes
2answers
4k views

Upgrading MySQL 5.5 to 5.6

I've decided to do the update of MySQL from 5.5 to 5.6 on my CentOS server. How can I backup MySQL5.5 in case I want to downgrade, and how can I install MySQL 5.6? Is there a way to use yum for ...
0
votes
1answer
258 views

MySQL causes iowait's since 5.5 - optimal my.cnf wanted

I upgraded my MySQL server from 5.1 to 5.5 on CentOS (with 2 cores and 2GB RAM). With my old my.cnf the mysql service doesn't start anymore (complains about a PID file), so I use an almost empty ...
2
votes
2answers
696 views

MySQL binary logging

My server is telling my that binary logging is disabled. When I do a mysqladmin variables, I see this: log_bin | OFF. This is my configuration file: [mysqld] ...
-3
votes
1answer
2k views

High Cpu Usage after MySQL Update (5.1 to 5.5) on CentOS 5.8 (64 Bit)

General Problem: Server load 20.92 (8 CPUs) [it varies from 7 to 40, normally it should be less than 1) Server Specs: Dedicated Server Intel Core i7 (8 Cpus) RAM: 8GB We use WHM and we have about ...
0
votes
1answer
1k views

How to bind mysql server to a certain IP?

In remote mysql 5.5 server I tried to add bind-address = 11.22.33.44 Where bind-address = 127.0.0.1 has commented out and 11.22.33.44 is the Ip of the web server communicating with the database ...
10
votes
3answers
12k views

Cant connect to mysql using self signed SSL certificate

After creating a self-signed SSL certificate, I have configured my remote mysqld to use them (and ssl is enabled) I ssh into my remote server, and try connecting to its own mysqld using ssl (mysql ...
1
vote
1answer
296 views

How does MySQL 5.5 and InnoDB on Linux use RAM?

Does MySQL 5.5 InnoDB keep indexes in memory and tables on disk? Does it ever do it's own in-memory caching of part or whole tables? Or does it completely rely on the OS page cache (I'm guessing that ...
1
vote
3answers
4k views

How to upgrade mysql5.0 to 5.5 on CentOS

I am trying to upgrade mysql from 5.0 to 5.5 on my local server. I have CentOS 5.8. I have php5.3 installed. When I type yum remove mysql mysql-* The following comes out. Removing: mysql ...
0
votes
1answer
3k views

What is the use of ibdata1 file in mysql [closed]

I have application which has the backend db as Mysql(InnoDb engine), and currently my client wants to decrease the size of the ibdata file to some fixed size. I found the three below solutions. ...
1
vote
1answer
3k views

Getting Error “Unknown MySQL server host” during importing the sql file?

In mysql server, when importing the sql file into the db. I am getting as error as below. So, can you help where the issues lies that is in mysql server config or the sql file ERROR 2005 (HY000) at ...
4
votes
2answers
7k views

MySQL 5.1 vs MySQL 5.5 (5.1 twice as fast)

I recently installed MySQL 5.1 on CentOS 6.2 and had a performance gain over the MySQL 4.1 we are running. So I upgrade the MySQL 5.1 to MySQL 5.5 to see if there was even more of a gain but it ...
4
votes
1answer
2k views

Recover a crashed MySQL master server from the slave

we are building a simple master/slave MySQL configuration using asynchronous replication, with MySQL enterprise 5.5.17 on both servers and innoDB based tables. In case of a crash of the master server ...
2
votes
1answer
750 views

MySQL 5.5 on CentOS 6 — mysql user 'root@localhost' cannot grant privs

This is a new install and I have only set the root passwords for localhost, 127.0.0.1 and . I know the password is correct as I can log in with root@localhost to the mysql server and can also create ...
2
votes
1answer
4k views

Installing MySql 5.5 on Debian with the deb package

I'm setting up a debian server as a development server. apt-get gave me everything I need to install, except for mysql 5.5 as this version is still in the experimental branch. So what I tried to do ...
1
vote
3answers
2k views

Replication issue with mysql 5.5.8 while restoring the dump on master server.

While restoring the Mysql dump file it throws the following error. ERROR 1665 (HY000): Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one ...
0
votes
2answers
140 views

What production grade linux has MySQL 5.5? [closed]

I want production grade linux with LTS, long term support, that has MySQL 5.5. I.e. no third party repositories, no downloading binaries from mysql.org. Are there any available now or soon? The first ...
0
votes
1answer
896 views

Mysql rpm package build for Scientific Linux

In my organization we need to deploy custom mysql packages for our Scientific Linux nodes. We need the latest version of mysql and the install directory as /opt/mysql I am trying to build from ...
0
votes
1answer
135 views

MySQL-server-5.5.18 - Installation issues / doubts

1 ) How to relocate the data dir while installing the MySQL-server-5.5.18-1.linux2.6.i386.rpm. rpm -ivh MySQL-server-5.5.18-1.linux2.6.i386.rpm
3
votes
2answers
1k views

MySQL 5.5 InnoDB = OFF?

We run a server with MySQL 5.5. 95% of the tables are set to the InnoDB engine. However whenever I look at the my.ini file (using the MySQL Workbench) under mysqld section innodb is unchecked and OFF ...
1
vote
1answer
532 views

MySQL server 5.5 , my.ini settings

There are a view things that don't match in my MySQL .ini file. For example, everything that I have read/learned is to use config_settings = value however, in my configuration file there are: ...
1
vote
1answer
293 views

CSV engine on MySQL server

I don't think that this is a programming question so I am going to ask it here - Reading the book high performance mysql, I read about the CSV engine. The paragraph says: The CSV engine can treat ...
0
votes
1answer
104 views

Understanding MySQL Query Cache and when to implement it?

On our current MySQL server query cache is enabled. Qchache_hits: 31913 Qchache_inserts: 50959 Qchache_lowmem_prunes: 9320 Qchache_not_chached: 209320 Qchache_queries_in_chace: 986 com_update: 0 ...
0
votes
1answer
84 views

How to retrieve all MySQL settings?

I have a configured MySQL server (MySQL 5.1.47-community) that works perfect. I installed a second server (MySQL 5.5.15-community) to see if the new version of MySQL would work with my application ...
2
votes
1answer
892 views

Changing MySQL datadir on active server

I have a server that seems to be setup wrong by previous administrator.. The server has two disks, disk 0 which is the operating system (RAID1 clone) disk 1 which is 3 drives in a RAID5 setup with ...
1
vote
1answer
974 views

Cannot start MySQL 5.5 as normal user (fedora 15)

service mysqld start gives me: Starting mysqld (via systemctl): Job failed. See system logs and 'systemctl status' for details. [FAILED] ...
1
vote
3answers
4k views

Percona MySQL 5.5 fails to start

trying to setup new server here but keep getting this in error log: mysqld_safe Starting mysqld daemon with databases from /data/mysql/myisam [Warning] Can't create test file ...