Le 2011-04-06 à 14:38, Johnny Miller a écrit :

> Hi Johan,
> 
> Yeah, I'm not doing anything unusual like creating a DB connection per server.
> 
> If I run from the CLI:
> 
> sudo lsof | grep httpd | wc -l
> 
> The count kind of bounces up and down between 500 - 1,500
> 
> If I just look at the contents instead of the count I see a bunch of 
> redundant connections to access_log and the various modules (see below)
> 
> To be honest I'm out of my element here, so I'm not sure if this is unusual 
> or not.  I've updated the apache's launch daemon plist to increase the number 
> of connections apache is allowed to 2048

MaxClient and ServerLimit set to 2048??  Are you sure that you need that much 
clients? I think I never set that value pass 384.

How many httpd processes do you have? You can find out like this:

  # lsof -P | grep "/usr/sbin/httpd" | wc -l

> and I've gone a couple of days without a failure.  But I did do an 
> intentional restart last night.  Prior to altering the plist I was seeing 
> apache going into the unresponsive state about every 24 hours.
> 
> When I called Apple they told me to run netstat -m and look at this section:
> 
> 0 requests for memory denied
> 0 requests for memory delayed
> 
> If that goes over 0 you can increase the memory buffer per this article: 
> http://support.apple.com/kb/HT3512  But I've yet to see that number go over 
> zero.
> 
> (this prints out several times)
> httpd     6511           _www  txt       REG       14,2    1996352   17733353 
> /usr/sbin/httpd
> httpd     6511           _www  txt       REG       14,2     393792   17733502 
> /usr/lib/libaprutil-1.0.2.7.dylib
> httpd     6511           _www  txt       REG       14,2     651248      15133 
> /usr/lib/libexpat.1.5.0.dylib
> httpd     6511           _www  txt       REG       14,2    4147008      15324 
> /usr/lib/libiconv.2.dylib
> httpd     6511           _www  txt       REG       14,2     578656   17733501 
> /usr/lib/libapr-1.0.2.7.dylib
> httpd     6511           _www  txt       REG       14,2      53888   17733291 
> /usr/libexec/apache2/mod_authn_file.so
> httpd     6511           _www  txt       REG       14,2      66500   17733295 
> /usr/libexec/apache2/mod_authz_host.so
> httpd     6511           _www  txt       REG       14,2     201360   17733299 
> /usr/libexec/apache2/mod_cache.so
> httpd     6511           _www  txt       REG       14,2      70660   17733308 
> /usr/libexec/apache2/mod_dumpio.so
> httpd     6511           _www  txt       REG       14,2     126528   17733321 
> /usr/libexec/apache2/mod_mem_cache.so
> httpd     6511           _www  txt       REG       14,2     117296   17733307 
> /usr/libexec/apache2/mod_disk_cache.so
> httpd     6511           _www  txt       REG       14,2     105944   17733311 
> /usr/libexec/apache2/mod_ext_filter.so
> httpd     6511           _www  txt       REG       14,2     245316   17733316 
> /usr/libexec/apache2/mod_include.so
> httpd     6511           _www  txt       REG       14,2      91784   17733312 
> /usr/libexec/apache2/mod_filter.so
> httpd     6511           _www  txt       REG       14,2     121380   17733305 
> /usr/libexec/apache2/mod_deflate.so
> httpd     6511           _www  txt       REG       14,2     126208   17733318 
> /usr/libexec/apache2/mod_log_config.so
> httpd     6511           _www  txt       REG       14,2      54200   17733320 
> /usr/libexec/apache2/mod_logio.so
> httpd     6511           _www  txt       REG       14,2      53956   17733309 
> /usr/libexec/apache2/mod_env.so
> httpd     6511           _www  txt       REG       14,2      71040   17733310 
> /usr/libexec/apache2/mod_expires.so
> httpd     6511           _www  txt       REG       14,2     100768   17733313 
> /usr/libexec/apache2/mod_headers.so
> httpd     6511           _www  txt       REG       14,2      66568   17733314 
> /usr/libexec/apache2/mod_ident.so
> httpd     6511           _www  txt       REG       14,2      70940   17733334 
> /usr/libexec/apache2/mod_setenvif.so
> httpd     6511           _www  txt       REG       14,2     378832   17733325 
> /usr/libexec/apache2/mod_proxy.so
> httpd     6511           _www  txt       REG       14,2     168484   17733330 
> /usr/libexec/apache2/mod_proxy_http.so
> httpd     6511           _www  txt       REG       14,2     138088   17733327 
> /usr/libexec/apache2/mod_proxy_balancer.so
> httpd     6511           _www  txt       REG       14,2     786308   17733336 
> /usr/libexec/apache2/mod_ssl.so
> httpd     6511           _www  txt       REG       14,2     915632   17731671 
> /usr/lib/libssl.0.9.7.dylib
> httpd     6511           _www  txt       REG       14,2     100588   17733322 
> /usr/libexec/apache2/mod_mime.so
> httpd     6511           _www  txt       REG       14,2     120612   17733337 
> /usr/libexec/apache2/mod_status.so
> httpd     6511           _www  txt       REG       14,2     176016   17733298 
> /usr/libexec/apache2/mod_autoindex.so
> httpd     6511           _www  txt       REG       14,2      54000   17733284 
> /usr/libexec/apache2/mod_asis.so
> httpd     6511           _www  txt       REG       14,2     101080   17733317 
> /usr/libexec/apache2/mod_info.so
> httpd     6511           _www  txt       REG       14,2     127384   17733301 
> /usr/libexec/apache2/mod_cgi.so
> httpd     6511           _www  txt       REG       14,2      70560   17733343 
> /usr/libexec/apache2/mod_vhost_alias.so
> httpd     6511           _www  txt       REG       14,2     167388   17733324 
> /usr/libexec/apache2/mod_negotiation.so
> httpd     6511           _www  txt       REG       14,2      66448   17733306 
> /usr/libexec/apache2/mod_dir.so
> httpd     6511           _www  txt       REG       14,2      95568   17733315 
> /usr/libexec/apache2/mod_imagemap.so
> httpd     6511           _www  txt       REG       14,2      58204   17733282 
> /usr/libexec/apache2/mod_actions.so
> httpd     6511           _www  txt       REG       14,2      71144   17733335 
> /usr/libexec/apache2/mod_speling.so
> httpd     6511           _www  txt       REG       14,2      66460   17733340 
> /usr/libexec/apache2/mod_userdir.so
> httpd     6511           _www  txt       REG       14,2      79308   17733283 
> /usr/libexec/apache2/mod_alias.so
> httpd     6511           _www  txt       REG       14,2     448160     698607 
> /System/Library/WebObjects/Adaptors/Apache2.2/mod_WebObjects.so
> httpd     6511           _www  txt       REG       14,2     305712   17733333 
> /usr/libexec/apache2/mod_rewrite.so
> httpd     6511           _www  txt       REG       14,2     290736    3429086 
> /usr/lib/libexslt.0.dylib
> httpd     6511           _www  txt       REG       14,2    1297968      15260 
> /usr/lib/libiodbc.2.dylib
> httpd     6511           _www  txt       REG       14,2    1046544   17731388 
> /System/Library/Frameworks/LDAP.framework/Versions/A/LDAP
> httpd     6511           _www  txt       REG       14,2     958864   17733803 
> /usr/lib/libcurl.4.dylib
> httpd     6511           _www  txt       REG       14,2     401216   17733947 
> /usr/lib/libsasl2.2.dylib
> httpd     6511           _www  txt       REG       14,2      88356     172780 
> /usr/libexec/apache2/mod_auth_apple.so
> httpd     6511           _www  txt       REG       14,2     101284     172785 
> /usr/libexec/apache2/mod_spnego_apple.so
> httpd     6511           _www  txt       REG       14,2     105824     172775 
> /System/Library/PrivateFrameworks/SpnegoApache.framework/Versions/A/SpnegoApache
> httpd     6511           _www  txt       REG       14,2     684032   17731066 
> /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryService
> httpd     6511           _www  txt       REG       14,2     135724     172782 
> /usr/libexec/apache2/mod_digest_apple.so
> httpd     6511           _www  txt       REG       14,2      66280     174412 
> /usr/libexec/apache2/mod_hfs_apple.so
> httpd     6511           _www  txt       REG       14,2    1380352   18089764 
> /private/tmp/WOAdaptorState
> httpd     6511           _www  txt       REG       14,2   31641660   17733495 
> /usr/libexec/apache2/libphp5.so
> httpd     6511           _www  txt       REG       14,2    1380352   18089793 
> /private/tmp/WOAdaptorState
> httpd     6511           _www  txt       REG       14,2    1059792    8952176 
> /usr/lib/dyld
> httpd     6511           _www  txt       REG       14,2   98283520   17736835 
> /private/var/db/dyld/dyld_shared_cache_x86_64
> httpd     6511           _www    0r      CHR        3,2        0t0  345489284 
> /dev/null
> 
> (same here this repeats many times)
> httpd     6511           _www   11w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   12w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   13w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   14w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   15w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   16w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   17w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   18w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   19w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   20w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   21w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   22w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   23w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   24w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   25w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   26w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   27w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   28w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   29w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   30w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   31w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   32w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   33w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   34w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   35w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   36w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> httpd     6511           _www   37w      REG       14,2 5055271697     474173 
> /private/var/log/apache2/access_log
> 
> 
> 
> On Apr 6, 2011, at 7:53 AM, Johan Henselmans wrote:
> 
>> 
>> On 5 apr 2011, at 02:40, Johnny Miller wrote:
>> 
>>> Hi,
>>> 
>>> I was wondering if anyone else had experienced the same thing.  I have a 
>>> X-Serve running OS X 10.5.8 whose apache server is going into a frozen 
>>> state where it stops serving requests and can only be restarted by 
>>> rebooting the machine.  All other services seem to being running normally.
>>> 
>>> If I look at the error_log I see many variations of this error:
>>> 
>>> Too many open files in system:Some/path/on/system
>>> 
>>> I've seen this thread on the Apple discussion board: 
>>> http://discussions.apple.com/thread.jspa?threadID=1449787&start=15&tstart=0
>>> And this article in the knowledge base: http://support.apple.com/kb/HT3512
>>> 
>>> Does anyone have more wisdom to share?
>>> 
>> 
>> I once had a similar problem when I started my own objectstore coordinator 
>> for each session, along the line of:
>> // this causes all kinds of mayhem: do not do this at home, it creates a new 
>> database connection for every session
>> 
>> // EOObjectStoreCoordinator coord = new EOObjectStoreCoordinator();
>> // myEc = ERXEC.newEditingContext(coord);
>> // myEc().setDelegate(this);
>> 
>> 
>> After that, the database would have so many open connections after a while 
>> that the database would have too many open files, and would break down. 
>> 
>> I also seem to remember that some apache configuration would freeze with a 
>> specific log-rotation setup. (that was apache 1.3 on a FreeBSD machine)
>> 
>> Furthermore I would look for something in apache that opens a file but never 
>> closes these. You might use opensnoop for that, see man opensnoop, or lsof 
>> might give you some clues. 
>> 
>>> Thanks in advance,
>>> 
>>> Johnny Miller
>>> Kahalawai Media Corp
>>> http://www.kahalawai.com
>>> 
>>> 
>>> 
>>> _______________________________________________
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>>> This email sent to jo...@netsense.nl
>> 
>> Johan Henselmans
>> jo...@netsense.nl
>> 
>> 
>> 
> 
> Johnny Miller
> Kahalawai Media Corp
> http://www.kahalawai.com
> 
> 
> 
> _______________________________________________
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