Re: [PHP] Re: memcached (was: session and Multi Server Architecture)

2008-02-13 Thread mike
On 2/13/08, Per Jessen <[EMAIL PROTECTED]> wrote: > Ah, but each server will only have what it needs for its clients. So if > you've got say 2000 clients spread over 10 servers, each server will > have the data relevant for its 200 clients. And there is no need for > network access everytime you

Re: [PHP] Re: memcached (was: session and Multi Server Architecture)

2008-02-13 Thread Per Jessen
mike wrote: > On 2/12/08, Per Jessen <[EMAIL PROTECTED]> wrote: > >> Cache layers are cheap - it's a known science after all. The key >> thing >> (AFAICT) about memcached is that is _distributed_. You need this >> when you don't have session persistency (session being the >> client-to-server re

Re: [PHP] Re: memcached (was: session and Multi Server Architecture)

2008-02-12 Thread mike
On 2/12/08, Per Jessen <[EMAIL PROTECTED]> wrote: > Cache layers are cheap - it's a known science after all. The key thing > (AFAICT) about memcached is that is _distributed_. You need this when > you don't have session persistency (session being the client-to-server > relationship). correct. l

Re: [PHP] Re: memcached (was: session and Multi Server Architecture)

2008-02-12 Thread Per Jessen
mike wrote: > To me it isn't a memcached vs. session persistency debate. memcached > to me is a cache layer for anything - if I wanted to use it for > sessions, it's an added bonus (I'd probably make sure to use 3.0.0+ so > I could ensure the data is in more than one server, losing people's > sess

Re: [PHP] Re: memcached (was: session and Multi Server Architecture)

2008-02-12 Thread mike
On 2/12/08, Per Jessen <[EMAIL PROTECTED]> wrote: > My mistake - I though I'd understood that memcached would replicate > objects across the servers, but that's clearly wrong. > If I've got it right, virtually every access to a cached object will > require network traffic? (the exception being tho