2013/3/19 Rick James <rja...@yahoo-inc.com>: >> you never have hosted a large site > Check my email address before saying that.
:D > > 20 may be low, but 100 is rather high. Never use apache2 it has so many problems under load.. The best combo is php5-fpm+nginx. Handles loads of users at once if well tuned. > >> -----Original Message----- >> From: Reindl Harald [mailto:h.rei...@thelounge.net] >> Sent: Monday, March 18, 2013 1:36 PM >> To: mysql@lists.mysql.com >> Subject: Re: How to change max simultaneous connection parameter in >> mysql. >> >> >> >> Am 18.03.2013 21:01, schrieb Rick James: >> > 20 is plenty if your pages run fast enough >> >> it is not >> you never have hosted a large site >> >> > Excess clients after MaxClients are queued in Apache >> >> so what - it doe snot help you >> been there, done that >> >> if you have some hundret USERS at the same time any every of them is >> requesting the same page with a lot of images you are simply DEAD with >> a limit of >> 20 in your configuration >> >> > If the 20 are consuming resources (eg cpu/disk) it is better to queue >> > the excess than to have everybody stumbling over each other. >> >> if your server can not serve more than 20 simultaionous requests you >> are not doing any serious things >> >> sorry, 20 can be done with any crappy notebook these days >> >> > In MySQL, the excess clients beyond max_connections are give an >> error. >> > >> >> -----Original Message----- >> >> From: Reindl Harald [mailto:h.rei...@thelounge.net] >> >> Sent: Monday, March 18, 2013 12:15 PM >> >> To: mysql@lists.mysql.com >> >> Subject: Re: How to change max simultaneous connection parameter in >> >> mysql. >> >> >> >> >> >> >> >> Am 18.03.2013 19:26, schrieb Rick James: >> >>> If you are running Apache with MaxClients set too high, that can >> >> cause the problem. >> >> >> >> "too high" is relative >> >> >> >>> That Apache setting should be something like 20. (Other web >> servers >> >>> have similar settings.) >> >> >> >> 20 is a laughable value as long you are not hosting only sites with >> >> no users at all >> >> >> >> i have seen "MaxClients 500" be critical while the hardware was not >> >> overloaded and we had THOUSANDS of users which liked to get the >> >> website with all it's images, no way with stupid settings of 20 >> which >> >> means only ONE USER at the same time can fetch a single page with >> >> images and stylesheets > > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/mysql > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
