Mysql Error Number 1040
Contents |
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 Learn more about Stack Overflow the company Business Learn more about hiring developers or posting mysql too many connections fix ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the
Mysql Too Many Connections Solution
Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute:
How To Set Max_connections In Mysql
Sign up mySQL Error 1040: Too Many Connection up vote 8 down vote favorite How to fix these, "SQL Error 1040: Too Many Connection" even I try to put max_user_connection=500 still "Too many connection" mysql connection share|improve this question edited Jan
Mysql Error Too Many Connections Fix
15 '13 at 4:30 asked Jan 15 '13 at 4:08 kelvzy 961317 add a comment| 5 Answers 5 active oldest votes up vote 7 down vote If you are running out of connections like this, chances are excellent that you are not closing the connections that you have open. Review code that opens connections and ensure the connections are closed as soon as practical. Typically you want to make use of the using keyword around anything that implements IDisposable (including database connections) mysql too many connections flush to ensure that such objects are disposed as soon as they leave the scope where they are needed. You can check the current number of active connections with this query: show processlist Reference: MySQL show status - active or total connections? share|improve this answer edited Jul 24 '15 at 16:35 answered Jan 15 '13 at 4:10 Eric J. 106k37221402 after all my codes at the end of the query I always close the connection... this error only appears when I open another computer or my program –kelvzy Jan 15 '13 at 4:18 but does it actually get closed? exceptions can cause close to be skipped –Darren Kopp Jan 15 '13 at 4:20 yes. when we used 2-20 computer it works properly but when we add 30 more error 1040 occur –kelvzy Jan 15 '13 at 4:32 1 In that case I agree with @SirRufo that the server-side connection limit is too low. Try setting max_connections higher in my.ini/my.cnf. –Eric J. Jan 15 '13 at 22:11 1 If someone is going to downvote an answer nearly two years later, it would be helpful to me and the community at large to leave a reason for the downvote. –Eric J. Oct 10 '14 at 18:56 | show 5 more comments up vote 6 down vote You have to change max_connections to increase total permitted connections. And set max_user_connections back to default 0 => no limit unless you need to
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 Learn more about Stack show max connections mysql Overflow the company Business Learn more about hiring developers or posting ads with us Stack mysql max_connections Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community mysql current connections of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How do I deal with a MySQL Error Number 1040: Too many connections? up vote 1 down http://stackoverflow.com/questions/14331032/mysql-error-1040-too-many-connection vote favorite I am using two database connections to achieve a particular task. Everything is working fine, but I am displaying data using paging and while going to the next page sometimes MySQL crashes. After that, when I open the MySQL database by using localhost/xampp/url it gives me the below error: #1040 Too many connections How can I fix this problem? mysql jsp share|improve this question edited Mar 9 '13 at http://stackoverflow.com/questions/13305487/how-do-i-deal-with-a-mysql-error-number-1040-too-many-connections 20:22 Brad Larson♦ 150k36333499 asked Nov 9 '12 at 9:40 Kamalpreet Singh 64 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote There are many opened conenctions. You should close them in application after using. Another variant is to setup wait_timeout server variable - the number of seconds the server waits for activity on a non-interactive connection before closing it. Not used connections will be closed automatically. share|improve this answer answered Nov 9 '12 at 10:20 Devart 76.7k12100120 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. Not the answer you're looking for? Browse other questions tagged mysql jsp or ask your own question. asked 3 years ago viewed 2054 times active 3 years ago Related 17MySQL Error “Too many connections”2Analyzing a MySQL table gives ERROR 1040 - Too many connections8mySQL Error 1040: Too Many Connection0too many connections.#1040 Can't connect to mysql server2SQLSTATE[HY000] [1040] Too many connections5How to fix Message: SQLSTATE[08004] [1040] Too many connections5Golang, mysql: Error 1040: Too many connections0Ja
log in tour help Tour 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 Learn more http://dba.stackexchange.com/questions/20479/how-to-resolve-too-many-connections-and-fatal-error-in-mysql-running-on-vps about Stack Overflow the company Business Learn more about hiring developers or posting https://dbiers.me/mysql-too-many-connections/ ads with us Database Administrators Questions Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask too many 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 PHP scripts, each of which opens a MySQL connection. Now when I access PHPlist it often shows this error: Fatal too many connections 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. mysql phpmyadmin php share|improve this question edited May 14 '15 at 15:05 mustaccio 4,87421326 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 commen
David · October 12, 2012 MySQL too many connections. Of course this simply means there are too many connections to the MySQL database. This can happen on a very busy site or even on a site with few visitors that contains poor coding that doesn't drop connections. To fix it, you can go one of two ways. Through SSH using MySQL commands or by adding a directive to the global configuration file (/etc/my.cnf). ------------- For editing the configuration file, simply add the below directive to the configuration file. /etc/my.cnf max_connections=XXX Then restart MySQL services: [01:50:26] [root@localhost ~]# service mysql restart Shutting down MySQL....... [ OK ] Starting MySQL. [ OK ] ------------- To change it via command line, you will need to be root and log into MySQL and use the command "set global max_connections=XXX": [01:50:37] [root@localhost ~]# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 62 Server version: 5.1.65-cll MySQL Community Server (GPL) Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> set global max_connections=5000; Query OK, 0 rows affected (0.00 sec) Tags: Bashconnectionsdatabasesmysql You may also like... CentOS 5.8 (Latest) and installing Counter Strike Global Offensive Server (SteamCMD) August 17, 2012 0 Unmounting a device that is currently "busy". August 18, 2012 6 Setup Grafana, InfluxDB, and collectd on CentOS 7.x April 5, 2016 2 Responses Comments2 Pingbacks0 Sean Dempsey says: January 27, 2016 at 10:38 AM I found the default value set here (124) to be surprisingly low. However, is there any danger is changing the value to a number as high as 5000 (per your example above)? What are the pros/cons involved? Reply David says: January 27, 2016 at 11:23 AM It depends on the traffic you're receiving. Around 1000 connections is the maximum before you want to start load balancing and clustering. Setting it too high will result in the server crashing after it runs out of memory. If you have some pages or parts of your website or application that are not closing connections, you should revi