Re: OS Keep-alive on forward proxy

2010-08-06 Thread Paul Fee
Rainer Jung wrote: snip The default worker for forward proxying does not use connection pooling in the naive sense. It closes each connection after each request. Regardless of pooling, since that's httpd's internal implmentation, is there a reason for defaulting to non-persistent TCP

Re: OS Keep-alive on forward proxy

2010-08-05 Thread Rainer Jung
On 05.08.2010 05:45, Ryujiro Shibuya wrote: Hi, Can you tell if the OS Keep-alive feature should be expected to work on forward proxy? The mod_proxy of latest httpd 2.2 and trunk (2.3) has OS Keep-alive (Keep-alive connection to origin server) feature, but it seems not working when we

RE: OS Keep-alive on forward proxy

2010-08-05 Thread Ryujiro Shibuya
Hi Rainer, I meant to talk about the HTTP Keep-alive to the origin server (OS), not about TCP Keep-alive of operating system (OS). Excuse me for my confusing description. And yes: the forward proxy does *not* do HTTP Keepalive. Technical reason: the connections to the origin server are pooled

Re: OS Keep-alive on forward proxy

2010-08-05 Thread Paul Fee
Rainer Jung wrote: snip And yes: the forward proxy does *not* do HTTP Keepalive. Technical reason: the connections to the origin server are pooled and retrieved from and returned to the pool for each request. A forward proxy usually talks to many diferent origin servers. Keeping those

RE: OS Keep-alive on forward proxy

2010-08-05 Thread Plüm, Rüdiger, VF-Group
-Original Message- From: Paul Fee Sent: Donnerstag, 5. August 2010 11:18 To: dev@httpd.apache.org Subject: Re: OS Keep-alive on forward proxy Rainer Jung wrote: snip And yes: the forward proxy does *not* do HTTP Keepalive. Technical reason: the connections

RE: OS Keep-alive on forward proxy

2010-08-05 Thread Paul Fee
Plüm, Rüdiger, VF-Group wrote: -Original Message- From: Paul Fee Sent: Donnerstag, 5. August 2010 11:18 To: dev@httpd.apache.org Subject: Re: OS Keep-alive on forward proxy Rainer Jung wrote: snip And yes: the forward proxy does *not* do HTTP Keepalive. Technical

RE: OS Keep-alive on forward proxy

2010-08-05 Thread Plüm, Rüdiger, VF-Group
-Original Message- From: Paul Fee Sent: Donnerstag, 5. August 2010 17:32 To: dev@httpd.apache.org Subject: RE: OS Keep-alive on forward proxy Does connection pooling apply to forward proxy requests? If so, are there configuration options to control it? Forward proxies do

Re: OS Keep-alive on forward proxy

2010-08-05 Thread Rainer Jung
In adition to Rüdiger's reply: On 05.08.2010 17:31, Paul Fee wrote: Plüm, Rüdiger, VF-Group wrote: -Original Message- From: Paul Fee Sent: Donnerstag, 5. August 2010 11:18 To: dev@httpd.apache.org Subject: Re: OS Keep-alive on forward proxy Rainer Jung wrote: snip And yes

OS Keep-alive on forward proxy

2010-08-04 Thread Ryujiro Shibuya
Hi, Can you tell if the OS Keep-alive feature should be expected to work on forward proxy? The mod_proxy of latest httpd 2.2 and trunk (2.3) has OS Keep-alive (Keep-alive connection to origin server) feature, but it seems not working when we configure the httpd as the forward proxy server. If