Apache 2.2.14 - Win XP - requests hanging, nothing sent
am 13.01.2010 17:26:47 von Nathan LongHi! First time posting - will try to step lightly.
I've got Apache 2.2.14 installed on a Win XP laptop. Some page loads
work fine, but others never complete. To rule out PHP or MySQL, I made
a 1 KB, static, HTML-only page, and I get the same hit-or-miss issue
with it. I've also tried Firefox and IE, with the same results.
If I load a page repeatedly, some requests never complete. It isn't
100% predictable, but seems to happen most if a 'hard refresh'
(Ctrl+F5) is used and requests come in quick succession. If I wait 5
seconds between each one, it rarely hangs; if 2 seconds, it hangs
every 2nd or 3rd time.
To investigate, I enabled httpd-info and ExtendedStatus. On the
server-status page, I see that each time a request 'hangs,' the number
of requests being processed goes up. Each is listed as 'sending
reply,' but both the number of accesses to that connection and the
kilobytes transferred are 0. Requests to server-status itself
sometimes hang, though rarely.
Here's a sample of server-status after hammering Apache with a bunch of reloads:
---------------------------------------------------
Current Time: Wednesday, 13-Jan-2010 11:10:01 Eastern Standard Time
Restart Time: Wednesday, 13-Jan-2010 10:59:23 Eastern Standard Time
Parent Server Generation: 0
Server uptime: 10 minutes 37 seconds
Total accesses: 202 - Total Traffic: 1.2 MB
..317 requests/sec - 1912 B/second - 5.9 kB/request
19 requests currently being processed, 45 idle workers
___________________________W_WWWWWWWWWWWWWWWWWW
............................................................ .....
Srv PID Acc M SS Req Conn Child Slot Client VHost Request
0-0 2924 0/16/16 W 0 0 0.0 0.13 0.13 127.0.0.1 127.0.0.1 GET
/server-status HTTP/1.1
0-0 2924 0/102/102 _ 116 0 0.0 0.77 0.77 localhost 127.0.0.1 GET
/server-status HTTP/1.1
0-0 2924 0/1/1 W 131 0 0.0 0.00 0.00 127.0.0.1 127.0.0.1 GET / HTTP/1.1
0-0 2924 31/33/33 W 132 0 230.3 0.23 0.23 localhost 127.0.0.1 GET / HTTP/1.1
0-0 2924 0/3/3 W 302 0 0.0 0.00 0.00 127.0.0.1 127.0.0.1 GET / HTTP/1.1
0-0 2924 4/5/5 W 559 0 19.9 0.02 0.02 localhost 127.0.0.1 GET / HTTP/1.1
------------------------------------------------------------ ------------
The machine itself doesn't seem to be straining - CPU and RAM usage
are both low. It's a DELL D600 with 1 GB of RAM and 1.6 GHz processor.
Normally I'd be 100% sure that a problem is my fault, but I found
someone else with an identical issue, so I'm only 98% sure. :) He
asked the question here, and I have responded, but we're in the same
boat.
http://serverfault.com/questions/95620/local-apache-on-windo ws-xp-not-finishing-page-requests/102080#102080
Thanks in advance for any help or (gentle?) corrections.
--Nathan
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