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1
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1answer
42 views

Apache2 / tomcat / MySQL / PageSpeed Server hanging once a day

My server started to hang at least once a day. It remains so until I restart Tomcat. I'm not sure yet which part causes the problem, so I'm trying to work on several hypotheses: My website is served ...
1
vote
0answers
33 views

Can't create/write to file '/mnt/temp/something' (Errcode: 13)

I changed the tmp directory of the mysql configuration to a mounted disk and on service mysql restart I get following error: Can't create/write to file '/mnt/temp/something' (Errcode: 13) To my ...
3
votes
1answer
76 views

High CPU on MySql Fusion-io server

I've just finished reading this old Q&A which had some really good detailed information on a similar setup to ours, though unfortunately our problem (now) is not with replication. MySQL ...
0
votes
1answer
70 views

Can I do zero downtime MySQL replication if I have archive tables present?

I've read the question and answers at How to setup MySQL replication with minimal downtime. It looks like I can get a slave DB into sync without down time if I am using only Innodb tables. My ...
-1
votes
1answer
21 views

MySQL upgrade issues - script to analyze general query log

When moving from MySQL 5.0.x to a newer version (such as 5.1.x or 5.5.x) what's the best way to proactively find backwards compatibility issues? There is lots of documentation out there such as ...
0
votes
0answers
44 views

(OpenShift) Permission denied when installing my own cartridge from my github repository

I froked MySQL cartridge from official github repo and I added some modifications to support utf8mb4 encoding. this is my cartiridge on github : ...
-1
votes
2answers
94 views

issue mysqladmin: error while loading shared libraries: libmysqlclient.so.16: cannot open shared object file: No such file or directory

[root@mysys mysql]# locate libmysqlclient.so.16 /home/local/CORPORATE/hardik/libmysqlclient.so.16 /usr/lib/mysql/libmysqlclient.so.16 [root@dktp-lab-23 mysql]# netstat -nptl | grep 3306 tcp ...
1
vote
1answer
55 views

WinServer 2008 R2 MySQL cluster service won't start

So I have a two-node failover cluster in WinServer 2008 R2, I also created a generic service which will manage my MySQL5.5 database (the database root is also in a iSCSI storage). When the cluster ...
-5
votes
1answer
35 views

MySQL : How dump is works? [closed]

I have a 10GB database and the dump takes just a few minutes. I want to know how the system of dump works ? Someone can tell me ?
-10
votes
1answer
56 views

MySQL : How to lock all write in all databases? [closed]

I need to block all writes (insert , update, delete) on all databases. How can I do that ? Put all database in Read Only for a period time.
3
votes
1answer
213 views

How do I configure rsyslog to deal with MySQL Slow Query Log multi-line messages?

Using rsyslog v8.2.2, I would like to group multi-line messages, such as those output by the MySQL Slow Query log. Each new message begins with three consecutive lines having '#' as the first char of ...
1
vote
1answer
30 views

Linux iptables DNAT 53306 to 127.0.0.1 3306

mysql real port is 3306。 I want public network using 53306 to visit mysql,and 3306 not allowed access from public network. How to write the iptables rules DNAT 53306 to 127.0.0.1 3306 ? help me
0
votes
1answer
107 views

MySQL query cache is enabled but not being used

I've checked the query cache is enabled mysql> SHOW VARIABLES LIKE 'have_query_cache'; +------------------+-------+ | Variable_name | Value | +------------------+-------+ | have_query_cache | ...
0
votes
0answers
35 views

mysql -q strange behavior

Using Mysql 5.5.37-0ubuntu0.14.04.1. Doing mysql mydb works fine, but using $ mysql -q mydb shows a strange behavior when doing mysql> describe sometable; then a very large number of --- are ...
0
votes
1answer
305 views

mysql load_file() function always return null for symbolic link

i have installed new database server on ubuntu mysql version is 5.5.35 im trying to execute select load_file('/usr/home/aaa.com/medya_data/ver.txt') and im sure ver.txt file is exist but ...
0
votes
0answers
155 views

SQL Error 1406 Data too long for column 'concatenado' mysql mac osx

I have a function column with name concatenado that is adding each titulo size 50 words each, until my subtitulo is null initially this has varchar(5000) and it is working good in Windows 8 without ...
0
votes
1answer
132 views

UTF-8 encoding gone missing after enabling mysqlnd

I've enabled mysqlnd on my PHP 5.4.26 server using MariaDB 10.0.8. My SQL config contained this: [mysqlnd] character-set-server = utf8 collation-server = utf8_general_ci It was all working fine ...
1
vote
1answer
4k views

MySQL - The server quit without updating PID file

I have installed MySQL 5.6.16 on Debain 7.4. But i encountered problems with starting mysql, where every time i start mysql i get this error: The server quit without updating PID file ...
0
votes
0answers
40 views

Mysql large memory consumption

I have a server running under openvz. System is Debian 6.0, MySql server 5.5.31 installed from dotdeb.org repo. I have very strange problem. Mysql server settings not allow Mysql to get more than 1.7 ...
0
votes
0answers
11 views

MySQL Server Not starting on Windows OS with Arabic

I have a MySQL server (The MySQL version is 5.5.25) that I packages with my software that I run on my Windows XP/7/8/Server, the MySQL server is starting up and running as required on the Windows OSes ...
0
votes
0answers
111 views

Upgrading MySQL 5.5.20 to 5.6 Identifying Weak Passwords?

I am trying to upgrade a WAMP server from MySQL 5.5.20 (32-bit) to 5.6.12 (64-bit) and when I went through the process of trying to upgrade the actual database the upgrade failed seemingly because of ...
0
votes
3answers
305 views

Limit MySQL forked processes

How can you limit the amount of processes that MySQL forks? I noticed at startup there are at least 10 children. This is a development database that isn't in production; so no users are connecting to ...
0
votes
0answers
60 views

server pid removed after config cnf

i want config my server with this configuration : [mysql] # CLIENT # port = 3306 socket = /var/lib/mysql/mysql.sock [mysqld] # GENERAL # user ...
-2
votes
1answer
1k views

Plesk 11.5 installation Problems on Ubuntu 12.04 unable to access mysql server

Im not able to install Plesk 11.5 on my dedicated Server under Ubuntu 12.04 LTS because the their is no access to mysql. Installtion log says: Trying to establish test connection... ERROR 1045 ...
3
votes
1answer
4k views

Is It key_buffer or key_buffer_size?

I search the internet regarding the correct variable in my.cnf file. Some said that key_buffer_size is deprecated, but some said that key_buffer_size is the correct variable in my.cnf. So, what is ...
1
vote
1answer
100 views

mysql slow queries not writing to log

I have the following slow query information setup in mysql. SHOW VARIABLES LIKE '%SLOW%'; Variable_name Value log_slow_queries ON slow_launch_time 2 slow_query_log ON slow_query_log_file ...
0
votes
2answers
121 views

Queries going to mysql server even when no one is connected to it

I have a MySql server which has 2 active databases which are used for a web application and 3 inactive ones (left for archival purpose but not currently used). The problem is that the server seems to ...
31
votes
10answers
24k views

`mysql_upgrade` is failing with no real reason given

I'm upgrading from MySQL 5.1 to 5.5, running mysql_upgrade and getting this output: # mysql_upgrade Looking for 'mysql' as: mysql Looking for 'mysqlcheck' as: mysqlcheck FATAL ERROR: Upgrade failed ...
0
votes
3answers
414 views

Can't upgrade MySQL Server on new Ubuntu 12.04 install

After freshly installing Ubuntu server 12.04, I did the usual apt-get update / apt-get upgrade, which failed for mysql-server-5.5: Setting up mysql-server-5.5 (5.5.31-0ubuntu0.12.04.2) ... start: Job ...
0
votes
3answers
178 views

mysql master-master setup as a way to simply master-slave promotion

I'm trying to see if the following plan is viable. Goal here is to be able to do HA (uptime) and not necessarily for load -- writes are fine on one MySQL 5.5 server (with innodb) but not really ...
0
votes
1answer
1k views

Variable 'general_log_file' can't be set to the value of '/var/lib/msyql/ubuntu.log'

I changed the value of mysql's general_log_file variable to something else, and now I'm trying to change it back to what it was originally, /var/lib/mysql/ubuntu.log. But when I do: SET GLOBAL ...
2
votes
1answer
419 views

How to Install and Run multiple MySQL Servers versions on centos? [closed]

I am new to MySQL database and I would like to install and run multiple MySQL server versions in CentOS server. I have done following things but no luck. Installed mysql 5.1.86 with default ...
2
votes
3answers
99 views

Find which mysql is running

I have installed mysql 5.5 and percona 5.5 in the same machine. I am not able to identify wheather the running db is mysql or percona. IS there is any way to identify the difference.
0
votes
1answer
70 views

How to secure mysql server

I have an mysql client with a fixed IP that should be able to access a mysql server. The mysql client is integrated in a software and only port, ip, username and password are modifiable. What would ...
0
votes
1answer
48 views

Stable version of Mysql [closed]

I am plan to do some real application, here i finalized to use mysql as a backend. And my question is Currently which MySQL version is stable. Also want the major pitfalls for MySQL 5.5 if MySQL 5.6 ...
0
votes
2answers
673 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
426 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
703 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
367 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
162 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
565 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
234 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
155 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
545 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
100 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
341 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
145 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
604 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 ...