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Nicolas Lehuen
nicolas.lehuen at gmail.com
Sat Dec 17 11:31:00 EST 2005
Just FYI, I've been using subversion HEAD version of mod_python for months now of my production servers. I've been using the 3.2.5b version as soon as we've released it, and I don't have any problem with it. Regards, Nicolas 2005/12/17, Jim Gallacher <jpg at jgassociates.ca>: > Sébastien Arnaud wrote: > > Thank you Graham and Jim for the pointers! > > > > I guess I was directly affected by the bug in question in 3.1.4 ! Since > > I was running 2 apps as virtual hosts, 10 PythonOption instructions per > > app, I also have 1 Load Balancer in front of those app servers making 1 > > request each minute to poll each app, it was making me loose 2x10x25 = > > 500 bytes / min ! > > That would do it. ;) > > > As soon as 3.2 is golden, I will grab it and run it on our test farm > > before I push it out to our prod environment, sounds like 3.2 is full > > of sweet bug fix and enhancements! Any idea when it will be officially > > released? > > The 3.2.5b has been out in the wild since Nov 15. We had planned on a > final release this week, but fixing MODPYTHON-99 may mean another beta. > Note that this issue likely existed in 3.1 as well, but was only > recently found. Personally I wouldn't hesitate to start using 3.2.5b on > your test farm. > > See http://issues.apache.org/jira/browse/MODPYTHON-99 for details. > > > Also, I noticed that Apache had released 2.2 officially, how does > > mod_python 3.2 handles this, will it work on apache 2.2? I am asking > > this, because I just did a port sync on my Mac and I just saw that > > apache 2.2 was already ready to replace my 2.0.55 install! > > As Jorey mentioned, mp 3.2 doesn't support apache 2.2. We made the > decision a few months ago to defer apache 2.2 support to mod_python 3.3. > At that time we actually thought we'd have 3.2 out before apache 2.2 was > available. Oh well.... :(. > > Jim > > > Thanks again for the help! > > > > Sébastien Arnaud > > eMedia Library, inc > > sebastien at emedialibrary.org > > > > > > > > On Dec 15, 2005, at 5:07 PM, Graham Dumpleton wrote: > > > >> FWIW, you might consider upgrading to mod_python 3.2.5b if you can. I > >> believe that that version eliminates a few memory leaks in certain > >> circumstances in mod_python itself, although I don't remember the > >> details. This may or may not be contributing. My understanding was that > >> the mod_python leaks weren't that great, but if you are handling a lot > >> of requests it may be noticeable. You also may want to configure Apache > >> to recycle child processes after a certain number of requests to avoid > >> overblown processes. > >> > >> Sorry, I know this doesn't really help with tracking down the source of > >> any problem if in your code. :-) > >> > >> Graham > >> > >> =?ISO-8859-1?Q?S=E9bastien_Arnaud?= wrote .. > >> > >>> Hello! > >>> > >>> I am running mod_python on 2 identical production server for 2 small > >>> apps I wrote which basically render over 100 of different SVG charts. > >>> I am running Gentoo on those servers, mod_python 3.1.4, apache 2.0.55 > >>> in prefork mode, each server has 1 Go of mem. > >>> > >>> Both applications have been in beta testing for like 1 month or so, > >>> and I just noticed today that the memory usage was really high for > >>> each apache process running (max of 10 set in the conf file). When I > >>> started those apache process 30 days ago they stabilize at 2.0 % of > >>> memory used, but somehow after 30 days of users testing the app, it > >>> went to 10% per apache process, which made the swap usage go to 1Go > >>> (over 2Go avail). I am doing quite a lot of caching of XSL files in > >>> the app, but this is suppose to happen at launch time, meaning I > >>> instantiate all the objects I need at the first call of the > >>> mod_python handler and they persist through the life of those apache > >>> processes. Does somebody know anyway to inspect each apache process > >>> to see where the memory is being used? Basically I am trying here to > >>> figure out if I have some kind of memory leak going on, or if there > >>> is something I miscalculated when caching the large amount of XSL > >>> files in persistent Python objects. > >>> > >>> Apart from that, those 2 little applications fly in terms of speed! A > >>> lot of people (including me) got really blown away to witness the > >>> speed of those 2 apps on those "old" servers (which are quad PIII > >>> 550Mhz btw). > >>> > >>> Thank you in advance for any insights so that I can get to the bottom > >>> of this! > >>> > >>> Cheers! > >>> > >>> Sébastien Arnaud > >>> eMedia Library, inc > >>> sebastien at emedialibrary.org > >>> > >>> > >>> > >>> > >>> _______________________________________________ > >>> Mod_python mailing list > >>> Mod_python at modpython.org > >>> http://mailman.modpython.org/mailman/listinfo/mod_python > >> > >> _______________________________________________ > >> Mod_python mailing list > >> Mod_python at modpython.org > >> http://mailman.modpython.org/mailman/listinfo/mod_python > > > > > > > > _______________________________________________ > Mod_python mailing list > Mod_python at modpython.org > http://mailman.modpython.org/mailman/listinfo/mod_python >
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