sorry about the no subject. apologies.. On Wed, Mar 18, 2015 at 8:11 PM, el kalin <ka...@el.net> wrote:
> > hi all… recently upgraded to 2.4.12. i know that the server creates this > awesome "dummy" processes when it needed to be ready and handle requests. > that's all good and well. > > question is: shouldn't those die when there hasn't been much happening for > a while and keeping a lot of them "just in case" is not needed that badly? > > the lines at the bottom of this message are form the server-status output. > the number of those lines eventually grows but it never goes down. which is > weird, right? … i know…. > > also how come the number of those extra processes doesn't match the one > from > ps -auwx | grep httpd? > > my guess is that the "dummy" connections (since they don't have their own > process attached to them) are there because some of the other processes > that do show in ps ask for those at various stages. is it true? how would i > know which one asked? does it matter? > > i've experienced some issues where the (open?!) "dummy" connections become > so many that the server stops responding but the ps -auwx | grep httpd > shows just 10 processes or so running. after restart everything goes back > to normal. except i'm not always there to restart… > > so one though i had about this is that in my httpd-mpm file the only > loaded module is mpm_prefork_module. which has this in it's scope (default > values): > > StartServers 5 > MinSpareServers 5 > MaxSpareServers 10 > MaxRequestWorkers 250 > MaxConnectionsPerChild 0 > > is it reasonable to believe that MaxConnectionsPerChild should have some > reasonable limit? will this control how many "dummy" connections are kept > alive? > > > thanks… > > > 27-0 - 0/0/3 . 0.00 2895 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 28-0 - 0/0/10 . 0.02 2829 0 0.0 0.00 0.85 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 29-0 - 0/0/2 . 0.00 2893 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 30-0 - 0/0/2 . 0.00 2884 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 31-0 - 0/0/2 . 0.00 2894 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 32-0 - 0/0/8 . 0.03 2719 0 0.0 0.00 0.50 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 33-0 - 0/0/1 . 0.00 2890 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 34-0 - 0/0/1 . 0.00 2869 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 35-0 - 0/0/1 . 0.00 2888 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 > 36-0 - 0/0/1 . 0.00 2882 0 0.0 0.00 0.00 127.0.0.1 my.domain.com:80 OPTIONS > * HTTP/1.0 >
