Re: Keeping sessions

Stut wrote: > Jorge González wrote: >> Stut escribió: >>> Jorge González wrote: >>>> 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... >>> >>> Not only is this a PHP list, but your problem is a PHP problem. I'm >>> shocked. No, really. >> Ok :) > > Indeed it is. > >>> Apache does *not* get involved in sessions. Not at all. >> Well the question is I was dealing with an Apache mod_proxy_balanced >> and plans to use LVS or ldirector for balancing between backend >> servers. I didn't know about other solutions. > > That doesn't change the fact that Apache does not get involved in > sessions. Nor does mod_proxy_balanced, LVS or ldirector. Sessions are a > PHP entity. The only part of them that leaves the PHP part of the > solution is the session identifier which travels in cookies and/or URLs. > >>> Just to clarify, you're building a shared hosting system that load >>> balances all sites across a cluster of web servers? If not, please >>> explain what it is you're actually trying to do. >> yes, that is, and sessions are important. Users's session must be >> persistent in all cases: web server down, user jumpig between backend >> web servers, etc > > In that case you need to make sure you explain to your users/customers > that they cannot use a custom session handler and expect it to work. race conditions aside I think they could use a custom handler that makes use the [mysql?] database that comes with their account (I'm assuming that the DB server is also centralized/replicated.) ... I agree with Stut that your going to want to make information available about all this to your users/customers in big cow-sized letters. > > -Stut >