Re: Tomcat Performance Turning.

2011-09-03 Thread Leon Rosenberg
Hello Christopher, On Fri, Sep 2, 2011 at 11:52 PM, Christopher Schultz ch...@christopherschultz.net wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Leon, On 9/2/2011 4:19 PM, Leon Rosenberg wrote: holywarfrom my experience there is no need for apache in your setup anyway /holywar.

Re: Tomcat Performance Turning.

2011-09-03 Thread Leon Rosenberg
Message- From: Leon Rosenberg [mailto:rosenberg.l...@gmail.com] Sent: Friday, September 02, 2011 3:19 PM To: Tomcat Users List Subject: Re: Tomcat Performance Turning. Hello Talha, On Fri, Sep 2, 2011 at 6:16 PM, Talha Fazal tfa...@credera.com wrote: PLEASE SEE MY ANSWERS BELOW IN UPPER

Re: Tomcat Performance Turning.

2011-09-02 Thread Leon Rosenberg
Hello Talha, from a quick glance at your post, do you have the same 30 max threads limit in weblogic? Because sending 525 users through 2x30=60 max threads seems a little bottlenecky. Which software are you using to produce the load? Does it keepalive the connections? regards Leon On Fri, Sep

RE: Tomcat Performance Turning.

2011-09-02 Thread Caldarale, Charles R
From: Talha Fazal [mailto:tfa...@credera.com] Subject: Tomcat Performance Turning. In our staging environment for load testing, when we run the load test using 525 concurrent users, the app doesn't perform at all. The CPU usage (on Apache and Tomcat Servers) hovers between 7% to 8%. The

RE: Tomcat Performance Turning.

2011-09-02 Thread Talha Fazal
Plz. see my answers below in UPPERCAPS. Thanks! -Original Message- From: Leon Rosenberg [mailto:rosenberg.l...@gmail.com] Sent: Friday, September 02, 2011 8:35 AM To: Tomcat Users List Subject: Re: Tomcat Performance Turning. Hello Talha, from a quick glance at your post, do you have

RE: Tomcat Performance Turning.

2011-09-02 Thread Talha Fazal
) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:484) at java.lang.Thread.run(Thread.java:619) Sincerely, Talha. -Original Message- From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] Sent: Friday, September 02, 2011 8:42 AM To: Tomcat Users List Subject: RE: Tomcat Performance

Re: Tomcat Performance Turning.

2011-09-02 Thread Leon Rosenberg
. Thanks! -Original Message- From: Leon Rosenberg [mailto:rosenberg.l...@gmail.com] Sent: Friday, September 02, 2011 8:35 AM To: Tomcat Users List Subject: Re: Tomcat Performance Turning. Hello Talha, from a quick glance at your post, do you have the same 30 max threads limit

RE: Tomcat Performance Turning.

2011-09-02 Thread Caldarale, Charles R
From: Talha Fazal [mailto:tfa...@credera.com] Subject: RE: Tomcat Performance Turning. We did take a thread dump and we found a lot of threads locked. http-8014-9 daemon prio=10 tid=0x60965c00 nid=0x6c83 in Object.wait() at org.apache.tomcat.util.net.JIoEndpoint

RE: Tomcat Performance Turning.

2011-09-02 Thread Talha Fazal
Hi Leon, Please see any answers in CAPS below. -Original Message- From: Leon Rosenberg [mailto:rosenberg.l...@gmail.com] Sent: Friday, September 02, 2011 9:06 AM To: Tomcat Users List Subject: Re: Tomcat Performance Turning. Hello Talha, seems that your tomcats are fine. Question

RE: Tomcat Performance Turning.

2011-09-02 Thread Talha Fazal
[mailto:chuck.caldar...@unisys.com] Sent: Friday, September 02, 2011 9:16 AM To: Tomcat Users List Subject: RE: Tomcat Performance Turning. From: Talha Fazal [mailto:tfa...@credera.com] Subject: RE: Tomcat Performance Turning. We did take a thread dump and we found a lot of threads locked. http

Re: Tomcat Performance Turning.

2011-09-02 Thread Leon Rosenberg
Subject: Re: Tomcat Performance Turning. Hello Talha, seems that your tomcats are fine. Question, you mention that the tomcat do not perform, but you don't tell us how you come to this conclusion except for cpu load. ANSWER: LOOKING INTO THE TOMCAT ACCESS LOGS, THE RESPONSE TIME (%D) IS HORRIBLE

Re: Tomcat Performance Turning.

2011-09-02 Thread R Batchelor
Users List Subject: Re: Tomcat Performance Turning. Hello Talha, seems that your tomcats are fine. Question, you mention that the tomcat do not perform, but you don't tell us how you come to this conclusion except for cpu load. ANSWER: LOOKING INTO THE TOMCAT ACCESS LOGS, THE RESPONSE TIME

RE: Tomcat Performance Turning.

2011-09-02 Thread Talha Fazal
mod_proxy_ajp and mod_proxy instead of mod_jk. Any thoughts here? Thanks, -Original Message- From: R Batchelor [mailto:rsbat...@yahoo.com] Sent: Friday, September 02, 2011 10:10 AM To: Tomcat Users List Subject: Re: Tomcat Performance Turning. Have you ruled out issues with db connection

Re: Tomcat Performance Turning.

2011-09-02 Thread Leon Rosenberg
Thanks, -Original Message- From: R Batchelor [mailto:rsbat...@yahoo.com] Sent: Friday, September 02, 2011 10:10 AM To: Tomcat Users List Subject: Re: Tomcat Performance Turning. Have you ruled out issues with db connection pooling? NO. IN FACT, THERE ARE KNOWN DBCP CONNECTION POOLING

RE: Tomcat Performance Turning.

2011-09-02 Thread Talha Fazal
Tomcat from being exposed to outside attacks; B) Load balancing. Thanks Leon! -Original Message- From: Leon Rosenberg [mailto:rosenberg.l...@gmail.com] Sent: Friday, September 02, 2011 3:19 PM To: Tomcat Users List Subject: Re: Tomcat Performance Turning. Hello Talha, On Fri, Sep 2, 2011

Re: Tomcat Performance Turning.

2011-09-02 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Leon, On 9/2/2011 4:19 PM, Leon Rosenberg wrote: holywarfrom my experience there is no need for apache in your setup anyway /holywar. Uh, load-balancing? - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG