Mysql Fatal Error
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Mysql Error Too Many Connections Fix
only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How to resolve too many connections and fatal error in mysql running on vps up vote 9 down vote favorite 7 I am running an application PHPlist on my linode server, simultaneously running 12 #1040 cannot log in to the mysql server PHP scripts, each of which opens a MySQL connection. Now when I access PHPlist it often shows this error: Fatal Error: Sorry, the server is currently too busy, please try again later. When I am trying to access phpMyAdmin, it shows me a #1040 error. Output of my PHP scripts which run through cron jobs shows: PHP Warning: mysqli_connect(): (HY000/1040): Too many connections I am using the LAMP stack on the server with phpMyAdmin; the top output in terminal shows mysqld using 100-130% CPU. When I am trying to troubleshoot this problem I got some clues: Increase max_connection variable : I am using 200 (100 by default) Open table cache: 512 (400 by default) There are lots of variables to set but I can't determine what specific ones, I am getting some reference from: too many connections and http://dev.mysql.com/doc/refman/5.5/en/table-cache.html But according to my usage how to increase memory and what is the maximum memory difficult for me. On my server I am using around 12 PHP scripts, PHPlist application for sending emails, and a major database for user registrations. Kindly help me to resolve this problem. mys
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developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a http://dba.stackexchange.com/questions/20479/how-to-resolve-too-many-connections-and-fatal-error-in-mysql-running-on-vps community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up MySQL Fatal error: Can't open and lock privilege tables: Incorrect file format 'user' up vote 3 down vote favorite 2 MySQL (Percona 5.6) will not start. This error has happened to me several http://stackoverflow.com/questions/28521530/mysql-fatal-error-cant-open-and-lock-privilege-tables-incorrect-file-format times. Each time, I have had to remove MySQL data directories and reinstall MySQL. Is there another way to fix MySQL? (Specifically one in which the data not blown away?) /var/log/mysql/error.log 150214 16:36:39 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 2015-02-14 16:36:40 0 [Warning] Using unique option prefix key_buffer instead of key_buffer_size is deprecated and will be removed in a future release. Please use the full name instead. 2015-02-14 16:36:40 0 [Warning] 'THREAD_CONCURRENCY' is deprecated and will be removed in a future release. 2015-02-14 16:36:40 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2015-02-14 16:36:40 1018 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead. 2015-02-14 16:36:40 1018 [Note] Plugin 'FEDERATED' is disabled. /usr/sbin/mysqld: Incorrect file format 'plugin' 2015-02-14 16:36:40 1018 [ERROR] Can't open the mysql.plugin table. Please run
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