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From Greg Ames <>
Subject Re: [PATCH] Synchronize requests_this_child
Date Mon, 24 Jan 2005 15:10:40 GMT
Paul Querna wrote:
> Attached ia a patch for the Worker MPM that uses APR Atomics to change 
> the value of requests_this_child.
> I changed it around to count *up*, instead of counting down... So I 
> would like someone else to look at it before I commit it.


What's the point?  This slows down the server for no good purpose.  Atomic 
operations are more expensive than their non-atomic counterparts.  Plus, 
switching from decrement to increment makes the loop test slightly more complex.

Yes, we will loose a few updates now and then on SMP systems.  All this variable 
does is cause child processes to exit after a while, mostly as a defense 
mechanism against memory leaks.  Mostly I see it set to 0 or something like 
10000.  I have yet to hear a complaint from a user that in the latter case a 
child process actually handled 10003 connections before exiting.


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