Re: [OT] Solaris + Apache 2.2 / PHP 5 cluster config help

2008-05-22 Thread Jonathan Vanasco
On May 22, 2008, at 1:14 PM, Perrin Harkins wrote: The module I'm presenting at YAPC::NA and OSCON this year, DBIx::Router, will make it easier to add this kind of partitioning after the fact. It lets you set up rules to choose which database to send a query to. When I have a public prototype

Re: [OT] Solaris + Apache 2.2 / PHP 5 cluster config help

2008-05-22 Thread Perrin Harkins
On Wed, May 21, 2008 at 7:32 PM, Jonathan Vanasco <[EMAIL PROTECTED]> wrote: > personally, i think one should always architect applications with separate > DB handles for read/write/log/session at the outset. you can essentially > make them 'one' handle until necessary... but it takes barely any t

Re: [OT] Solaris + Apache 2.2 / PHP 5 cluster config help

2008-05-21 Thread Jonathan Vanasco
On May 20, 2008, at 4:00 PM, Issac Goldstand wrote: Right - I know that in theory, but was worried about the disk/ram/ cpu overhead of replicating the writes to all of the slave servers offsetting that benefit... The explanation i gave to this on the Pylons list today was such: when you're

Re: [OT] Solaris + Apache 2.2 / PHP 5 cluster config help

2008-05-20 Thread Perrin Harkins
On Tue, May 20, 2008 at 4:00 PM, Issac Goldstand <[EMAIL PROTECTED]> wrote: > Right - I know that in theory, but was worried about the disk/ram/cpu > overhead of replicating the writes to all of the slave servers offsetting > that benefit... Good point. I'd suggest you look at how much RAM you ca

Re: [OT] Solaris + Apache 2.2 / PHP 5 cluster config help

2008-05-20 Thread Issac Goldstand
Perrin Harkins wrote: On Sun, May 18, 2008 at 8:05 AM, Issac Goldstand <[EMAIL PROTECTED]> wrote: Also, do people have concrete benchmarks of keeping a read-only replication mysql on the webservers vs a single read/write shared mysql server? Any time you can spread the reads over multiple se

Re: [OT] Solaris + Apache 2.2 / PHP 5 cluster config help

2008-05-20 Thread Perrin Harkins
On Sun, May 18, 2008 at 8:05 AM, Issac Goldstand <[EMAIL PROTECTED]> wrote: > Also, do people have concrete > benchmarks of keeping a read-only replication mysql on the webservers vs a > single read/write shared mysql server? Any time you can spread the reads over multiple servers it will help. Th

[OT] Solaris + Apache 2.2 / PHP 5 cluster config help

2008-05-18 Thread Issac Goldstand
Hi all, I know that bits and pieces of high-load configuration questions have been posted to this list ([EMAIL PROTECTED]) and am CC-ing the mod_perl folks (since I know there are a bunch of knowledgeable people on the subject lurking there, but please post responses to [EMAIL PROTECTED]), but