I can confirm that this makes 2.3.8 act more like 2.3.7... On Sep 30, 2013, at 8:12 AM, Jeff Trawick <traw...@gmail.com> wrote:
> On Mon, Sep 30, 2013 at 5:23 AM, Steffen <i...@apachelounge.com> wrote: > > Running at AL now 2.3.7 again, all fine again with 1-3 processes instead of > the 30+ with 2.3.8. > > The config live running here and your config for synthetic test is > different. And not using fat php processes and max processes is in place. > > Not any mod_fcgid directives here in a vhost, only in server the commonly > used config for php. All vhosts here serving .php, including the default > vhost. Running server 2012. > > > <IfModule fcgid_module> > FcgidInitialEnv PHPRC "d:/servers/apache/conf/" > FcgidInitialEnv PATH > "d:/servers/apache/php;C:/WINDOWS/system32;C:/WINDOWS;C:/WINDOWS/System32/Wbem;" > FcgidInitialEnv SystemRoot "C:/Windows" > FcgidInitialEnv SystemDrive "C:" > FcgidInitialEnv TEMP "C:/WINDOWS/Temp" > FcgidInitialEnv TMP "C:/WINDOWS/Temp" > FcgidInitialEnv windir "C:/WINDOWS" > > FcgidInitialEnv PHP_FCGI_MAX_REQUESTS 1000 > FcgidMaxRequestsPerProcess 1000 > FcgidMaxProcesses 50 > FcgidMaxRequestLen 8131072 > > # added for z-push iPhone > FcgidIOTimeout 7200 > FcgidConnectTimeout 180 > FcgidBusyTimeout 7200 > </IfModule> > > > > <Files ~ "\.php$>" > AddHandler fcgid-script .php > FcgidWrapper "d:/servers/apache/php/php-cgi.exe" .php > </Files> > > Hi Steffen, > > Are you able to try this patch? > > http://people.apache.org/~trawick/restore-fcgid-2.3.7-process-count-r1.txt > > This reverts one of the changes in 2.3.8 that affects how soon mod_fcgid will > create a new process when one isn't immediately available. With this backed > out, my simple testcase uses 11-12 processes like 2.3.7 instead of 20 > processes like 2.3.8. > > TIA! > > > > On Monday 30/09/2013 at 01:36, Jeff Trawick wrote: > > On Sun, Sep 29, 2013 at 5:14 PM, Jeff Trawick <traw...@gmail.com> wrote: > > > > > > > On Sun, Sep 29, 2013 at 4:04 PM, Steffen <i...@apachelounge.com> wrote: > > > > > > > Becoming dramatic here, already running over 30 processes. Running out of > memory this way. > > > All time high here is 5 processes, and while writing this mail it is already > 34 and all 34 have an entry in the mod_status page. > > Also looks like it is not stopping/killing processes any more, have entries > with 1784 seconds idle (FcgidIdleTimeout is default, 300) > > Going back to 2.3.7 at AL. > > > On Sunday 29/09/2013 at 21:15, Steffen wrote: > > > > Observe a different behavior compared to 2.3.7 > > > - It spawns a lot more mod_fcgid processes, looks like vhost is in charge > (mod_fcgid only global defined here) > > - I see in Windows taskmanager and in mod_status 5 processes and the error > log says that the are 3 started, a mismatch. > > - Also different in mod_status page, see more then one entry for Process: > php-cgi.exe > > With 2.3.8 splitted now : > > Total FastCGI processes: 5 > Process: php-cgi.exe (d:/servers/apache/php/php-cgi.exe) > Pid Active Idle Accesses State > 4620 487 43 17 Ready > Process: php-cgi.exe (d:/servers/apache/php/php-cgi.exe) > Pid Active Idle Accesses State > 3840 515 109 5 Ready > Process: php-cgi.exe (d:/servers/apache/php/php-cgi.exe) > Pid Active Idle Accesses State > 6552 557 456 6 Ready > Process: php-cgi.exe (d:/servers/apache/php/php-cgi.exe) > Pid Active Idle Accesses State > 3204 1962 7 187 Ready > 5036 2143 17 192 Ready > > > With 2.3.7 was only one entry, like: > > Process: php-cgi.exe (d:/servers/apache/php/php-cgi.exe) > Pid Active Idle Accesses State > 3204 1962 7 187 Ready > 5036 2143 17 �� 192 Ready > ... > > Not really trust 2.3.8 (yet), give me a few days to observe more. > > > > Thanks, Steffen. I'll try to reproduce soon and see which commit changed > that. (Maybe 1377398?) > > > > So far I've only set up a simple test... Simple perl FastCGI script, ab -n > 200000 -c 20, default main vhost configuration, this for the vhost: > > > <VirtualHost *:8082> > FCGIDCmdOptions /home/trawick/myhg/apache/fcgid/apps/altinfo.pl \ > InitialEnv VHOST=any \ > InitialEnv PERL5LIB=/home/trawick/perl5/lib/perl5 > </VirtualHost> > > 2.3.7 grows up to about 12 (vs. max 20 concurrent clients). > 2.3.8 grows up to about 20. > > I got both the fastest and slowest times for 200,000 requests using 2.3.8. > Generally I suspect 2.3.7 is slightly faster, but I don't have a good overall > summary. > > If you're using FcgidCmdOptions, I'd recommend using the MaxProcesses > parameter to something that your system can handle. Otherwise, see > FcgidMaxProcesses and FcgidMaxProcessesPerClass. Regardless of 2.3.7 or > 2.3.8. > > Still, for this simple scenario + configuration, 2.3.7 would have been better > (generally not worse performance, uses 40% fewer processes). Different > scenarios would have different results, but I think that the common, fat PHP > processes would have bigger problems with 2.3.8 if there is no reasonable > configured limit on the max to spawn. > > Does anyone else have time to play? > > > > > > > > > > > > > > > > On Sunday 29/09/2013 at 20:01, Jeff Trawick wrote: > > > > Tarballs/zips are at http://httpd.apache.org/dev/dist/mod_fcgid/ > > Shortcut to changes: http://httpd.apache.org/dev/dist/mod_fcgid/CHANGES-FCGID > > > +/-1 > [ ] Release mod_fcgid 2.3.8 as GA > > I'll hold the vote open for 72 hours unless something out of the ordinary > occurs. > > Thanks in advance for testing! > -- > Born in Roswell... married an alien... > http://emptyhammock.com/ > > > > > > > > > > -- > Born in Roswell... married an alien... > http://emptyhammock.com/ > > > > -- > Born in Roswell... married an alien... > http://emptyhammock.com/ > > > > > > > -- > Born in Roswell... married an alien... > http://emptyhammock.com/
