I was too quick to cry ignorance. I have now gotten mod_status working and here is the output. For some bizarre reason the number of servers is multiplying 68.58.140.236 was downloading another page with lots of pictures on it. (http://axion.physics.ubc.ca/titanic/-- axion is an ancient pseudonym for www.theory.physics.ubc.ca) Why are these idle servers multiplying? As I said this all started out by my having 160 of them which was causing swapping death for the system. How do I tell apache not to do this multiplication of servers? Note that the aggregator requests keep coming even though the virtual host which hosted them is disconnected (commented out in the httpd configuratio nfiles) ------------------------------------------------------------- Apache Server Status for www.theory.physics.ubc.ca Server Version: Apache/2.2.22 (Mandriva Linux/PREFORK-0.1mdv2010.2) mod_ssl/2.2.22 OpenSSL/1.0.0a PHP/5.3.13 with Suhosin-Patch mod_perl/2.0.4 Perl/v5.10.1 Server Built: Feb 1 2012 12:26:04 Current Time: Thursday, 24-May-2012 09:18:07 PDT Restart Time: Thursday, 24-May-2012 08:55:18 PDT Parent Server Generation: 0 Server uptime: 22 minutes 48 seconds Total accesses: 172 - Total Traffic: 3.9 MB CPU Usage: u.01 s.02 cu0 cs0 - .00219% CPU load .126 requests/sec - 2976 B/second - 23.1 kB/request 1 requests currently being processed, 14 idle workers ______________W................................................. ................................................................ ................................................................ ................................................................ Scoreboard Key: "_" Waiting for Connection, "S" Starting up, "R" Reading Request, "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup, "C" Closing connection, "L" Logging, "G" Gracefully finishing, "I" Idle cleanup of worker, "." Open slot with no current process Srv PID Acc M CPU SS Req Conn Child Slot Client VHost Request 0-0 11536 0/38/38 _ 0.01 117 1 0.0 0.55 0.55 68.58.140.236 www.theory.physics.ubc.ca NULL 1-0 11537 0/13/13 _ 0.00 117 332 0.0 0.51 0.51 68.58.140.236 www.theory.physics.ubc.ca NULL 2-0 11538 0/11/11 _ 0.00 117 5 0.0 0.47 0.47 68.58.140.236 www.theory.physics.ubc.ca NULL 3-0 11539 0/14/14 _ 0.00 117 1 0.0 0.61 0.61 68.58.140.236 www.theory.physics.ubc.ca NULL 4-0 11540 0/19/19 _ 0.00 117 1 0.0 0.67 0.67 68.58.140.236 www.theory.physics.ubc.ca NULL 5-0 11541 0/17/17 _ 0.00 117 0 0.0 0.30 0.30 66.249.68.41 www.theory.physics.ubc.ca GET /aggregator/www.guardian.co.uk/world/2012/jan/17/node/node/ 6-0 11542 0/6/6 _ 0.00 1159 1 0.0 0.01 0.01 24.82.146.42 www.theory.physics.ubc.ca NULL 7-0 11544 0/49/49 _ 0.02 117 1 0.0 0.77 0.77 68.58.140.236 www.theory.physics.ubc.ca NULL 8-0 11737 0/4/4 _ 0.00 3 0 0.0 0.00 0.00 66.249.68.193 www.theory.physics.ubc.ca GET /aggregator/www.youtube.com/www.iaea.org/Publications/Docum 14-0 11743 0/1/1 W 0.00 0 0 0.0 0.00 0.00 24.82.146.42 www.theory.physics.ubc.ca GET /server-status HTTP/1.1 Srv Child Server number - generation PID OS process ID Acc Number of accesses this connection / this child / this slot M Mode of operation CPU CPU usage, number of seconds SS Seconds since beginning of most recent request Req Milliseconds required to process most recent request Conn Kilobytes transferred this connection Child Megabytes transferred this child Slot Total megabytes transferred this slot On Thu, 24 May 2012, Pete Houston wrote:
On Wed, May 23, 2012 at 07:47:37PM -0700, Bill Unruh wrote:But this is clearly a horrible kludge. Is there any way I can figure out what is triggering these versions of httpd to be piling up?Since you've looked at the logs and not found anything there (or at least eliminated what problems you have found), mod_status would be a good next step. If there is some reason why you cannot enable mod_status, then check who is holding the connections open with netstat. Pete
-- William G. Unruh | Canadian Institute for| Tel: +1(604)822-3273 Physics&Astronomy | Advanced Research | Fax: +1(604)822-5324 UBC, Vancouver,BC | Program in Cosmology | unruh@xxxxxxxxxxxxxx Canada V6T 1Z1 | and Gravity | www.theory.physics.ubc.ca/ --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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