Please have a look at dummy_connection in mpm_common.c
Regards Rüdiger On 02/10/2007 05:15 AM, Devi Krishna wrote: > Hi Folks, Thanks for the replies. > What seems to be happening in my case , is when I send a graceful > restart to > apache, I get the following messages in the access log > > > 127.0.0.1 [05/Feb/2007:13:35:25 +0000] "GET / HTTP/1.0" 400 284 > 127.0.0.1 [05/Feb/2007:13:35:25 +0000] "GET / HTTP/1.0" 400 284 > 127.0.0.1 [05/Feb/2007:13:35:25 +0000] "GET / HTTP/1.0" 400 284 > 127.0.0.1 [05/Feb/2007:13:35:25 +0000] "GET / HTTP/1.0" 400 284 > 127.0.0.1 [05/Feb/2007:13:35:25 +0000] "GET / HTTP/1.0" 400 284 > > I am trying to find the root cause of what cause this request when we do > graceful restart. > > I have been digging around for some days but not able to find out which > code > is causing this. > > Any cluse ? > > Thanks & Regards > Devi > > > > On 2/9/07, Plüm, Rüdiger, VF EITO <[EMAIL PROTECTED]> wrote: > >> >> >> >> > -----Ursprüngliche Nachricht----- >> > Von: Henrik Nordstrom >> > Gesendet: Freitag, 9. Februar 2007 16:33 >> > An: [email protected] >> > Betreff: Re: Regarding graceful restart >> > >> > >> > tor 2007-02-08 klockan 17:15 -0800 skrev Devi Krishna: >> > > Hi, >> > > >> > > Resending this mail, just in case anyone would have >> > > suggestions/inputs as how to fix this for connections that >> > are in the >> > > ESTABLISHED state or FIN state or any other TCP state other than >> > > LISTEN >> > >> > Maybe change the "wake up call" to just connect briefly >> > without actually >> > sending a full HTTP request? This should be sufficient to wake up any >> > processes sleeping in accept() and will not cause anything to get >> > processed.. >> >> Not if BSD accept filters are in place. In this case the kernel waits >> until it >> sees a HTTP request until it wakes up the process. >> And on Linux with TCP_DEFER_ACCEPT enabled you need to sent a least one >> byte of data. >> >> Regards >> >> Rüdiger >> >> > >
