/proc/sys/fs/epoll/max_user_instances=128 considered harmful

[Dave Jones]

On Wed, Jan 07, 2009 at 03:18:12PM +0000, Joe Orton wrote:
 > The F10 kernel has /proc/sys/fs/epoll/max_user_instances set to 128 by 
 > default.  Apache httpd uses one epoll fd ("instance") per child process, 
 > so this sets a hard limit on 128 children (i.e. 100 concurrent clients) 
 > out of the box.
 > 
 > 1) shouldn't this be an rlimit so that we can bump it appropriately in 
 > the parent as root?

possibly.  It's a question better asked on linux-kernel really. 

This does sound like a better change to me than forcing the sysctl change
on everyone.

	Dave

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