Re: Tomcat 6 performance & multiple instances

2010-12-10 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Chuck, On 12/9/2010 11:09 PM, Caldarale, Charles R wrote: > I'm also very, very interested in the exact cause for the improvement > observed with multiple JVMs using "another servlet container" - which > may have no applicability to Tomcat. Glad to s

Re: Tomcat 6 performance & multiple instances

2010-12-10 Thread Pid
On 12/9/10 9:04 PM, John Goodleaf wrote: > Google is giving me too many different answers! > > I need to serve a single webapp to a lot of people with acceptable latency. > There's no need for multiple contexts or any other funkines. Tomcat 6, JVM > 1.6x. I have a hardware load balancer and two 64

RE: Tomcat 6 performance & multiple instances

2010-12-09 Thread Caldarale, Charles R
> From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Subject: Re: Tomcat 6 performance & multiple instances > I'm not sold on the heap: if you have two GC processes running in > parallel (that is, in separate JVMs) I'm not convinced that you are >

Re: Tomcat 6 performance & multiple instances

2010-12-09 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tony, On 12/9/2010 5:15 PM, Tony Anecito wrote: > I have done alot of work with another servlet container and your > consultant is correct. More instances do make a difference. Mainly > because certain resources like ports/threads and memory managemen

Re: Tomcat 6 performance & multiple instances

2010-12-09 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 John, On 12/9/2010 5:15 PM, John Goodleaf wrote: > I agree [about benchmarking] and wish I had the time and resources to > do it. I need to deploy on very short timelines. There actually was a > performance testing phase budgeted, but it got killed af

Re: Tomcat 6 performance & multiple instances

2010-12-09 Thread John Goodleaf
On Thu, Dec 9, 2010 at 1:28 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > John, > > On 12/9/2010 4:04 PM, John Goodleaf wrote: > > Google is giving me too many different answers! > > :( > > > I need to serve a single webapp to

Re: Tomcat 6 performance & multiple instances

2010-12-09 Thread Tony Anecito
MyUniPortal (2010 JavaOne Dukes award) http://www.myuniportal.com - Original Message From: John Goodleaf To: users@tomcat.apache.org Sent: Thu, December 9, 2010 2:04:16 PM Subject: Tomcat 6 performance & multiple instances Google is giving me too many different answers! I need to ser

Re: Tomcat 6 performance & multiple instances

2010-12-09 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 John, On 12/9/2010 4:04 PM, John Goodleaf wrote: > Google is giving me too many different answers! :( > I need to serve a single webapp to a lot of people with acceptable latency. That ought to be possible. What is "acceptable latency" for your sys

Tomcat 6 performance & multiple instances

2010-12-09 Thread John Goodleaf
Google is giving me too many different answers! I need to serve a single webapp to a lot of people with acceptable latency. There's no need for multiple contexts or any other funkines. Tomcat 6, JVM 1.6x. I have a hardware load balancer and two 64-bit machines (Windows 2003 Server--not my choice,