RE: [totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread Caldarale, Charles R
> From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Subject: Re: [totally OT] Tomcat Behavior on Multiple HTTP requests from same > browser > > > Or swallows and coconuts. > > Someone had to bring that up. African or European? > > I think we

Re: [totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 3/22/13 12:35 PM, André Warnier wrote: > Caldarale, Charles R wrote: >>> From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] >>> Subject: RE: [a bit, but not totally OT] Tomcat Behavior on >>> Mu

Re: [totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Chuck, On 3/22/13 10:25 AM, Caldarale, Charles R wrote: >> From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] >> Subject: RE: [a bit, but not totally OT] Tomcat Behavior on >> Multiple HTTP requests from same browser >

Re: [totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread Mark Eggers
On 3/22/2013 9:35 AM, André Warnier wrote: Caldarale, Charles R wrote: From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] Subject: RE: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser You would need a fairly large, and well-disciplined team of

Re: [totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread André Warnier
Caldarale, Charles R wrote: From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] Subject: RE: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser You would need a fairly large, and well-disciplined team of pigeons to do that though. I don't think

RE: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread Caldarale, Charles R
> From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] > Subject: RE: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP > requests from same browser > > You would need a fairly large, and well-disciplined team of pigeons to > > do that though. I don't

Re: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread Howard W. Smith, Jr.
but not totally OT] Tomcat Behavior on Multiple > > HTTP requests from same browser > > > > Christopher Schultz wrote: > > > HTTP connections for long periods of time, but that's really abuse of > > > the protocol IMO. You can send bowling balls via carri

RE: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-22 Thread Jeffrey Janner
> -Original Message- > From: André Warnier [mailto:a...@ice-sa.com] > Sent: Thursday, March 21, 2013 8:51 AM > To: Tomcat Users List > Subject: Re: [a bit, but not totally OT] Tomcat Behavior on Multiple > HTTP requests from same browser > > Christopher Schultz wro

Re: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-21 Thread André Warnier
Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 3/21/13 7:15 AM, André Warnier wrote: Christopher Schultz wrote: I think there might be a problem with the instrumentation, or just coincidences at a fairly implausible level. The trust of the matter is that

Re: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-21 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 3/21/13 7:15 AM, André Warnier wrote: > Christopher Schultz wrote: >> >> I think there might be a problem with the instrumentation, or >> just coincidences at a fairly implausible level. The trust of the >> matter is that Tomcat does not

Re: [a bit, but not totally OT] Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-21 Thread André Warnier
Christopher, Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 3/20/13 2:25 PM, André Warnier wrote: Saurabh Agrawal wrote: All our assets are served from L3 CDN. So the asset requests never come to the application server. That, I do not understand. I do n

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 3/20/13 2:25 PM, André Warnier wrote: > Saurabh Agrawal wrote: >> All our assets are served from L3 CDN. So the asset requests >> never come to the application server. > > That, I do not understand. I do not understand what you mean by >

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread André Warnier
Saurabh Agrawal wrote: -Original Message- From: André Warnier [mailto:a...@ice-sa.com] Sent: Wednesday, March 20, 2013 3:27 PM To: Tomcat Users List Subject: Re: Tomcat Behavior on Multiple HTTP requests from same browser Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE

RE: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Saurabh Agrawal
-Original Message- From: André Warnier [mailto:a...@ice-sa.com] Sent: Wednesday, March 20, 2013 3:27 PM To: Tomcat Users List Subject: Re: Tomcat Behavior on Multiple HTTP requests from same browser Christopher Schultz wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash:

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread André Warnier
Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saurabh, On 3/19/13 9:46 PM, Saurabh Agrawal wrote: maxThreads="${tomcat.maxthreads}" minSpareThreads="${tomcat.minsparethreads}" maxIdleTime="${tomcat.maxidletime}"/> port="${tomcat.ajp.port}" maxHttpHeaderSize="819

RE: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Caldarale, Charles R
> From: Saurabh Agrawal [mailto:sagra...@sapient.com] > Subject: RE: Tomcat Behavior on Multiple HTTP requests from same browser > We have not set the "keep alive" explicitly in tomcat's server.xml. It's on by default. > s defined; are the requests coming i

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saurabh, On 3/19/13 9:46 PM, Saurabh Agrawal wrote: > maxThreads="${tomcat.maxthreads}" > minSpareThreads="${tomcat.minsparethreads}" > maxIdleTime="${tomcat.maxidletime}"/> port="${tomcat.ajp.port}" maxHttpHeaderSize="8192" maxThreads="200" >

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 3/20/13 6:52 AM, André Warnier wrote: > If I may add something : at some point, on each Tomcat server, > there is only 1 "listening socket" for one port (the point being : > you could have several, but you won't have 8000). So even if you

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saurabh, On 3/20/13 3:27 AM, Saurabh Agrawal wrote: > The point I was trying to make when I mentioned that all requests > from the same browser results in same thread is not a mere > coincidence. The reason why it may not be sheer luck is because

RE: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Saurabh Agrawal
List Subject: Re: Tomcat Behavior on Multiple HTTP requests from same browser -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saurabh, On 3/19/13 8:55 PM, Saurabh Agrawal wrote: > What I want to understand is if the Tomcat will keep Thread 1 as > persistent thread to server the second reques

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Nick, On 3/19/13 10:31 PM, Nick Williams wrote: > I'm glad to see that you have a working cluster of some sorts and > that you are performing load tests to evaluate its performance. > This means you are on the right track, making some good decision

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saurabh, On 3/19/13 8:55 PM, Saurabh Agrawal wrote: > What I want to understand is if the Tomcat will keep Thread 1 as > persistent thread to server the second request (for login) from > the same browser or will it assign a separate thread from the

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread André Warnier
Mark Thomas wrote: Nick Williams wrote: On Mar 19, 2013, at 8:49 PM, Saurabh Agrawal wrote: Hi Nick, We currently have 8 tomcat nodes with each node configured to have 1000 maxThreads. We did a round of performance test for 8000 concurrent users and the observation was that the number of a

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Mark Thomas
Nick Williams wrote: >On Mar 19, 2013, at 8:49 PM, Saurabh Agrawal wrote: > >> Hi Nick, >> >> We currently have 8 tomcat nodes with each node configured to have >1000 maxThreads. We did a round of performance test for 8000 concurrent >users and the observation was that the number of active execu

RE: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-20 Thread Saurabh Agrawal
day, March 20, 2013 2:31 AM To: Tomcat Users List Subject: Re: Tomcat Behavior on Multiple HTTP requests from same browser On Mar 19, 2013, at 8:49 PM, Saurabh Agrawal wrote: > Hi Nick, > > We currently have 8 tomcat nodes with each node configured to have 1000 > maxThreads. We did

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-19 Thread Nick Williams
; From: Nick Williams [mailto:nicho...@nicholaswilliams.net] > Sent: Wednesday, March 20, 2013 1:44 AM > To: Tomcat Users List > Subject: Re: Tomcat Behavior on Multiple HTTP requests from same browser > > > On Mar 19, 2013, at 8:37 PM, Caldarale, Charles R wrote: > &g

RE: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-19 Thread Saurabh Agrawal
Williams [mailto:nicho...@nicholaswilliams.net] Sent: Wednesday, March 20, 2013 1:44 AM To: Tomcat Users List Subject: Re: Tomcat Behavior on Multiple HTTP requests from same browser On Mar 19, 2013, at 8:37 PM, Caldarale, Charles R wrote: >> From: Saurabh Agrawal [mailto:sagra...@sapie

RE: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-19 Thread Saurabh Agrawal
Saurabh Agrawal Manager Technology | Sapient -Original Message- From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] Sent: Wednesday, March 20, 2013 1:37 AM To: Tomcat Users List Subject: RE: Tomcat Behavior on Multiple HTTP requests from same browser > From: Saurabh Agr

Re: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-19 Thread Nick Williams
On Mar 19, 2013, at 8:37 PM, Caldarale, Charles R wrote: >> From: Saurabh Agrawal [mailto:sagra...@sapient.com] >> Subject: Tomcat Behavior on Multiple HTTP requests from same browser > >> Let's say I hit http://localhost:9001/homepage.html. Upon hitting the URL, &g

RE: Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-19 Thread Caldarale, Charles R
> From: Saurabh Agrawal [mailto:sagra...@sapient.com] > Subject: Tomcat Behavior on Multiple HTTP requests from same browser > Let's say I hit http://localhost:9001/homepage.html. Upon hitting the URL, > tomcat will assign one of the worker threads (say Thread 1) from the p

Tomcat Behavior on Multiple HTTP requests from same browser

2013-03-19 Thread Saurabh Agrawal
Hi, I have tried to find the simplest of answer from so many tomcat forums but have not got concrete answer to my query. The query I have is around management of multiple HTTP requests triggering from same browser one after other and being served by Tomcat container. Let me take an example. Le