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Rajesh,

On 12/24/14 7:50 AM, Rajesh Cherukuri wrote:
> Qe have noticed that mod_jk method busyness  is sending  more
> requests to backend tomcat and causing hung threads and high CPU.
> 
> [I] need to understand why it's doing that.

Are you saying that you are getting N requests to httpd from clients
and Tomcat is receiving M x N requests where M > 1.0?

That suggests that the Tomcat thread is not returning anything within
a certain amount of time and mod_jk is re-trying the request on
another host.

What is your Tomcat version? mod_jk version? httpd version? Can you
post your mod_jk configuration (everything in workers.properties) and
tell us about where the threads are stuck on the Tomcat side (take a
thread dump and look at where the threads are stuck). Are they all
stuck in the same place?

- -chris
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