[rt-users] Some little performance notes...

[Matthew Goheen]

One correction -- the IBM x335 has 2GHz Xeons, NOT 3GHz!

	- Matt

> -----Original Message-----
> From: rt-users-bounces at lists.bestpractical.com 
> [mailto:rt-users-bounces at lists.bestpractical.com] On Behalf 
> Of Matthew Goheen
> Sent: Thursday, November 01, 2007 12:37 PM
> To: RT-Users at lists.bestpractical.com
> Subject: [rt-users] Some little performance notes...
> 
> During our latest upgrade, we were trying to determine which platform to install
> RT on.  We had three basic choices:
> 	o Install on our Sun V440 server (main production file server, 4 SPARC CPUs)
> 	o Install on a NEW Sunfire X2200 server (dual Athlon CPUs) running Solaris 10
> 	o Install on same X2200 running RHEL 5
> 
> We did some very basic tests.  We installed RT 3.6.4 on the V440 (also Solaris 10)
> and tried the X2200 under both Solaris 10 and RHEL 5.  All machines ran Postgres
> (I believe they were all Postgres 8.1 -- but we used whatever came with the
> standard install).
> 
> Our existing RT machines was an IBM x335 (dual Xeon 3GHz) running RT 3.4.2 under
> RHEL 3.
> 
> In a nutshell, we found:
> 	o The V440 was about 3-4 times slower than our our existing machine
> 	o The X2200 running Solaris was marginally faster than our existing machine
> 	o The X2200 running RHEL 5 was about three times faster than our existing machine
> 
> We went with RHEL 5.
> 
> We did not spend any time trying to figure out WHY Solaris 10 was so slow.  We did
> notice that times under Solaris would vary quite a bit, even repeating the same
> search (this was not the case under Linux).
> 
> Matt Goheen
> University of Rochester
> Laboratory for Laser Energetics