Re: Keeping sessions

On Tuesday 19 June 2007 14:15:00 Stut wrote: > Richard Heyes wrote: > > Stut wrote: > >> Jorge González wrote: > >>> In a web server cluster, how do you do guys keep the php sessions? I > >>> mean, with Apache and mod_proxy_balanced you could have a cluster > >>> with apache backend webservers but If a user is logged into an php > >>> app then this user goes always to the same backend server and if that > >>> server goes down then the session is invalid. > >>> > >>> How to deal with sessions? > >> > >> Several options exist, but the most common is to store session data in > >> a database that can be accessed by all of the web servers. > >> Alternatives include using memcached but recently I read something > >> that suggested that can be problematic. > >> > >> I believe the cluster support in Zend Platform includes this > >> functionality, so depending on your budget that may also be an option. > > > > Just a note: you could have either one of the web servers acting as the > > "session" server which the other web servers use or, if need be, a > > dedicated "session" server. I wouldn't imagine you'd need that though > > unless your site's really busy. > > What do you mean by "session server"? How are you accessing the session > data on another server? > > -Stut > > -- > http://stut.net/ Via Memcached or mysql server which only holds session data. Regards Sancar