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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 24448] - Using mod_proxy to proxy a dynamic page, an orphan process eats CPU
Date Sat, 22 May 2004 01:55:36 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=24448

Using mod_proxy to proxy a dynamic page, an orphan process eats CPU





------- Additional Comments From advax@triumf.ca  2004-05-22 01:55 -------
(didn't get mail from Bugzilla last year, or thought it was my confirmation
or something stupid, and forgot about it  ...)

The high-cpu process seems to the the parent according to ls -alxf. A backtrace
shows no change over time:
#0  0xffffe002 in ?? ()
#1  0x08097ee5 in ap_wait_or_timeout ()
#2  0x0808b138 in ap_mpm_run ()
#3  0x08091941 in main ()
#4  0x42015704 in __libc_start_main () from /lib/tls/libc.so.6

a strace shows it looping
wait4(-1, 0xbfffe5e0, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})                                  = 0 (Timeout)

there are not many modules loaded AFAIK in the test version, cf. the production
server

The Java client is pulling something like 1000 packets/second to update a
real-time document image (spec.d at 7 frames/second)

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