Re: Tomcat performance tuning

2010-09-24 Thread Ognjen Blagojevic
Rujin, I Installed tomcat 5.5.20 version in my Windows 2008 server and the java version is Java 1.6.0.b105.We are using 2 Mbps Bandwidth Leased line.In tomcat we hosted around 5(five) application.When the no of seesion increases more than 1600 session the total application is slow and not able

Tomcat performance tuning

2010-09-24 Thread rujin raj
Support, I Installed tomcat 5.5.20 version in my Windows 2008 server and the java version is Java 1.6.0.b105.We are using 2 Mbps Bandwidth Leased line.In tomcat we hosted around 5(five) application.When the no of seesion increases more than 1600 session the total application is slow and not able

Re: Newbie, tomcat performance tuning

2009-11-19 Thread David kerber
Caldarale, Charles R wrote: From: Bruce Foster [mailto:gis.fos...@gmail.com] Subject: Re: Newbie, tomcat performance tuning ... read somewhere tomcat with 8 thread (8 core processor), how do I configure that option? Read Peter's response. You will need way more than 8 threads i

Re: Newbie, tomcat performance tuning

2009-11-19 Thread Hassan Schroeder
On Thu, Nov 19, 2009 at 4:27 AM, Bruce Foster wrote: > 3. Need to modify the heap size, with 12GB ram and NO other > application running I will allocate 6GB ram as Max and Min for JVM. Well, nothing exceeds like excess, but you might want to start a bit lower and increase as it seems necessary.

RE: Newbie, tomcat performance tuning

2009-11-19 Thread Caldarale, Charles R
> From: Bruce Foster [mailto:gis.fos...@gmail.com] > Subject: Re: Newbie, tomcat performance tuning > > 1. Need to get JDK and not JRE, latest version of JDK and use the > "server" version Tomcat only needs the JRE, but the JDK contains some interesting tools that yo

Re: Newbie, tomcat performance tuning

2009-11-19 Thread Peter Crowther
2009/11/19 Bruce Foster > do I need to look at the server threads? if yes then where to I set > that option? > > read somewhere tomcat with 8 thread (8 core processor), how do I > configure that option? > > If you can find me that "somewhere", I'll go and grumble at the author :-). It's very poo

Re: Newbie, tomcat performance tuning

2009-11-19 Thread Bruce Foster
Thanks Everyone who responded. Just great. OK, looks like I got lot of home work to do now; if I were to summarize, 1. Need to get JDK and not JRE, latest version of JDK and use the "server" version 2. Look at the connector pool 3. Need to modify the heap size, with 12GB ram and NO other applic

Re: Newbie, tomcat performance tuning

2009-11-18 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Bruce, On 11/18/2009 9:48 AM, Bruce Foster wrote: > I'm new to the list and tomcat. Welcome! > I have a web application deployed in tomcat 6. this application is > quite CPU hungry and I would like to optimise the tomcat accordingly. > > I'm expect

Re: Newbie, tomcat performance tuning

2009-11-18 Thread David kerber
Caldarale, Charles R wrote: From: David kerber [mailto:dcker...@verizon.net] Subject: Re: Newbie, tomcat performance tuning And set it to run the server-mode jvm rather than the client. I believe that all 64-bit JVMs default to server mode, which is why I didn't mention it. As I recall

RE: Newbie, tomcat performance tuning

2009-11-18 Thread Caldarale, Charles R
> From: David kerber [mailto:dcker...@verizon.net] > Subject: Re: Newbie, tomcat performance tuning > > And set it to run the server-mode jvm rather than the client. I believe that all 64-bit JVMs default to server mode, which is why I didn't mention it. As I recall, the 6

Re: Newbie, tomcat performance tuning

2009-11-18 Thread David kerber
Caldarale, Charles R wrote: From: Bruce Foster [mailto:gis.fos...@gmail.com] Subject: Newbie, tomcat performance tuning Can you guide me where and what parameters that I can tweak in tomcat to get high performance? for eg, JVM memory, threads, etc etc Other than the number of threads in the

RE: Newbie, tomcat performance tuning

2009-11-18 Thread Caldarale, Charles R
> From: Bruce Foster [mailto:gis.fos...@gmail.com] > Subject: Newbie, tomcat performance tuning > > Can you guide me where and what parameters that I can tweak in tomcat > to get high performance? for eg, JVM memory, threads, etc etc Other than the number of threads in the po

RE: Newbie, tomcat performance tuning

2009-11-18 Thread Neil Aggarwal
Bruce: > Can you guide me where and what parameters that I can tweak in tomcat > to get high performance? for eg, JVM memory, threads, etc etc Have you seen this page: http://wiki.apache.org/tomcat/FAQ/Performance_and_Monitoring Neil -- Neil Aggarwal, (281)846-8957, http://UnmeteredVPS

Newbie, tomcat performance tuning

2009-11-18 Thread Bruce Foster
HI, I'm new to the list and tomcat. I have a web application deployed in tomcat 6. this application is quite CPU hungry and I would like to optimise the tomcat accordingly. I'm expecting to have 200 concurrent connections to the server at peak, not much for a standard web application but ours i