RE: Tomcat Concurrent Requests

2009-06-01 Thread Peter Crowther
From: CrystalCracker [mailto:sudarshan.acha...@gmail.com] Given that each request takes 2 seconds on average. Among them, some of them take less than 500ms, and some take as long as 5 seconds or even a little more sometimes. How many such concurrent request would a tomcat server running

RE: Tomcat Concurrent Requests

2009-06-01 Thread CrystalCracker
The 5 seconds calls are all database or webservice calls. So they all go to waiting state. I did some load tests using JMeter, but I had problems coming to a conclusion with the data. What should I look for exactly? Because as I increase the no of concurrent requests, the app starts responding

RE: Tomcat Concurrent Requests

2009-06-01 Thread Peter Crowther
From: CrystalCracker [mailto:sudarshan.acha...@gmail.com] The 5 seconds calls are all database or webservice calls. So they all go to waiting state. OK. So the bottleneck almost certainly isn't Tomcat. I did some load tests using JMeter, but I had problems coming to a conclusion with the

Re: Tomcat Concurrent Requests

2009-06-01 Thread David kerber
CrystalCracker wrote: Given that each request takes 2 seconds on average. Among them, some of them take less than 500ms, and some take as long as 5 seconds or even a little more sometimes. How many such concurrent request would a tomcat server running on a double quad-core server handle? At

RE: Tomcat Concurrent Requests

2009-06-01 Thread Peter Crowther
From: David kerber [mailto:dcker...@verizon.net] CrystalCracker wrote: How many such concurrent request would a tomcat server running on a double quad-core server handle? At least 8 (1 per core), but that's about all you can tell without finding where the bottlenecks are. If I wanted