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From vicky007aggar...@yahoo.co.in
Subject Re: Tomcat 6.0 threads
Date Tue, 06 Nov 2012 04:01:04 GMT
Thanks a ton Chris, i got my answer. Applause  for giving your time. ;)


On Nov 6, 2012, at 9:13 AM, Christopher Schultz <chris@christopherschultz.net> wrote:

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> Vicky,
> 
> On 11/5/12 5:12 AM, vicky007aggarwal@yahoo.co.in wrote:
>> Mark actually i have a scenario in which my application receives 
>> variable amount of request depending on time . So at one point i
>> have an approx around 400 users concurrently accessing my
>> application as a result i have an approx 400 threads but when the
>> request count decreases the thread count still remains 400 which
>> eventually eat up my system resources.
> 
> If you have 400 threads running, your resources are already "eaten".
> Does anything get worse over time?
> 
> Honestly, if your system can't handle its peak load, then you need to
> make other arrangements (such as load-balancing, or lowering the
> thread pool size at the expense of average response time).
> 
> In a default configuration, Tomcat should drop idle threads after 1
> minute of idle time per thread (so 60 seconds + some slop after a
> thread handles its last request, the request-processing thread should
> die). If that isn't happening, please post your configuration and your
> observations (and be *very* specific, including your methodology for
> counting live threads, the timestamps at which you applied the user
> load and sampled the live threads, etc.).
> 
>> To cater to this situation i would like to know the option by which
>> i can close my unused threads as maxSparethreads doesnt exist
>> anymore in tomcat 6.0
> 
> maxIdleTime
> 
> But honestly, I don't think you'll need it unless the default of 1
> minute isn't appropriate for you.
> 
> - -chris
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