Apache Too Many Connections Error Page
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Too Many Connections Error In Mysql
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Error 1040 Too Many Connections
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Mysql Too Many Connections Fix
from others in the community. Join them; it 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 https://dev.mysql.com/doc/refman/5.5/en/too-many-connections.html 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 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 http://dba.stackexchange.com/questions/20479/how-to-resolve-too-many-connections-and-fatal-error-in-mysql-running-on-vps 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. mysql phpmyadmin php share|improve this question edited May 14 '15 at 15:05 mustaccio 4,80411326 asked Jul 6 '12 at 6:43 Shashank 1374414 @RolandoMySQLDBA: Please Enlighten on this problem to resolve –Shashank Jul 6 '12 at 7:48 add a comment| 2 Answers 2 active oldest votes up vote 11 down vote accepted First you need to do is run this query: SELECT user,host FROM mysql.user WHERE super_priv='Y' AND CONCAT(user,'@',host) <> 'root@localhost'; This will list all users that have SUPER privilege. Most users that do application-related DB processing do not require this privilege. According to t
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us http://serverfault.com/questions/381806/customize-alert-page-for-too-many-connections-of-apache-maxclient Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it 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 too many and rise to the top customize alert page for too many connections of apache maxclient up vote 0 down vote favorite I must make a web page that alert users , this page appair only if apache connections clients exceed specific value, for example 150 or more apache-2.2 share|improve this question asked Apr 21 '12 at 13:23 Alessio D'Annibale 1 1 That's good to know. Did you too many connections have a question you wanted to ask? –womble♦ Apr 21 '12 at 13:27 An error page doesn't make sense in this case, as Apache has to accept the new connection to send the error. Maybe a reverse proxy just in front of your Apache can solve this problem. But there will be a problem if the reverse proxy reaches its connection limit as well. Usually the limit will be higher and will maybe solve your problem but this can be continued ... –Jens Bradler Apr 21 '12 at 14:42 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote As far as I know, there's no built-in, or other good way to do this. If you really must do this, this shell command will give you the number of Apache processes: ps -C apache2 | wc -l You could execute that in a Bash script via cron and then, for example, update Apache settings to show the page that alerts users if the value is above 150. Or you could execute it in PHP and show output accordingly. share|improve this answer answered Apr 21 '12 at 13:56 xofer 2,679518 add a comment| Your Answer d