Re: Clustering with PHP4?

On Sat, 4 Nov 2000, jeremy brand wrote: > First of all, your choice of language doesn't have anything to do with > web clustering. > > I can't give details as to our configuration (for many reasons), but I > can say that with tools such as > - The Linux High Availability project > http://www.linuxha.org/ > - Linux virtual server > http://www.linuxvirtualserver.org/ > > a completely opensource highly available server farm is totally > possible and being done -- I would know, I'm doing it. I'm not > sure, but I think linux.com may be using a similar setup -- and they > might share their configuration. > > Tools such as Linux virtual server can handle multiple clusters of > different services. Using Linux virtual server means that > each service highly available and clustered. > > Another option could be DNS round robin. I'm sure there are others. Well, there is a problem with clustering if you're using sessions. Which ofcourse is easily solved by doing the session storage to a db. However, I never got a domain-based session cookie to work with php. (.domain.com, as opposed to host.domain.com) I will try again. :) > You might want to read a little about multi-tiered (or three tier) web > site infrastructure to get a basic idea how to do something like this. > > If you choose to not go with opensource solutions, you can get a > similar solution from a number of other vendors (Cisco, F5 networks, > others I'm sure) -- they just cost a little (lot!) more. > > -jeremy brand > _______________________________________________________________________ -- patrik wallstrom | f o o d f i g h t tel: +46-8-6188428 | s t o c k h o l m gsm: +46-708405080 | - - - - - - - - - fax: +46-859827151 |