Ok, you both are right but not what I need because web servers is for
shared hosting with PHP then each user choose the way to develop their
apps. Then one user maybe store sessions in DB but another one not. This
should be on Apache or OS side. It's because I talk about ldirector, LVS
and so
I know this is a PHP and not an Apache list but maybe someone is doing
this with web hosting...
cheers!
Stut escribió:
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
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