Working with user off the mailing list (I don't want to flood it :)...
Please keep this bug open for now :)))
On 4 May 2001 [EMAIL PROTECTED] wrote:
> From: [EMAIL PROTECTED]
> Operating system: Linux
> PHP version: 4.0.4pl1
> PHP Bug Type: cURL related
> Bug description: CURL/PHP causes lengthy Apache Keepalive
>
> Greetings. I have Apache/1.3.14 (Unix) running with
> PHP/4.0.4pl1 installed as a module and CURL 7.7.1 added to
> that. Our web sites need to fetch a request from a remote
> ad server in real-time as each page is generated. If $adr
> is the request, I used to use:
>
> $success = @readfile($adr);
>
> But then I found CURL and saw that is (a) was more robust
> and (b) seems to be more efficient than readfile. So I now
> use CURL in he following way:
>
> $aje_ch = @curl_init($adr);
> @curl_setopt ($aje_ch, CURLOPT_TIMEOUT, 1);
> @curl_setopt ($aje_ch, CURLOPT_MUTE, 1);
> @curl_exec ($aje_ch);
> @curl_close ($aje_ch);
>
> This works great, except that if I have "Keepalive on" in
> my Apache configuration file, the httpd server sits in
> keepalive state for FAR longer when using CURL than it does
> when using readfile. In the course of 2 or 3 hours, my
> server would normally be at about 150 httpd processes
> running at any given point in time. But when using CURL, it
> jumps to 650 httpd processes, with the lions share (99%) of
> those sitting in the keepalive state for very long. It
> seems like the CURL requests are causing Apache to set its
> Keepalive timeout to something much higher than it should
> be. Setting "keepalive off" in Apache's conf file works
> around this problem, but decreases server efficiency. I'd
> love to solve this problem.
>
> Please help! :-)
>
> For the record, this was posted to the cURL bug tracker
> over on SourceForge
> (http://sourceforge.net/tracker/?func=detail&atid=100976&ai
> d=418860&group_id=976), and we went through quite a few
> gyrations with no success. Specifically, we tried
> disabling KeepAlive on the REMOTE server to see if that had
> any affect, and it did not. It seems not to matter what we
> request from, rather that any requests using
> PHP/cURL/Apache result in the LOCAL Apache bloating out of
> control with KeepAlive requests. Reverting back to
> readfile() based requests solves this problem but, well,
> cURL is better. ;-)
>
> All help would be appreciated, and I am available and
> willing to test anything on our servers.
>
> Thanks!
>
> -Dave
>
>
>
--
PHP Development Mailing List <http://www.php.net/>
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
To contact the list administrators, e-mail: [EMAIL PROTECTED]
