Okay, well, I was hoping it'd be simple :) Can you give me some examples of operations that are very slow, and operations that remain fast? Or does everything basically slow to a grind?
How do the Apache settings (worker vs prefork, and their config) compare between installs? Christian On Thursday, March 6, 2014, Ze Xiao <ilacknormal...@gmail.com> wrote: > Thanks for the quick reply. Yes, memcached is running. Here is what I > see from the Admin Server Cache page > > I've got it running on two different vms, which I've obfuscated as "VM1" > and "VM2" > > SERVER CACHE > Cache backend: > > django.core.cache.backends.memcached.CacheClass > vm1 > Memory usage: > > 1.8 GB > Keys in cache: > > 61079 of 257077 > Cache hits: > > 5289571 of 5458860: 96% > Cache misses: > > 169289 of 5458860: 3% > Cache evictions: > > 139881 > Cache traffic: > > 10.2 GB in, 27.9 GB out > Uptime: > > 3683047 seconds > vm2 > Memory usage: > > 1.8 GB > Keys in cache: > > 54978 of 401980 > Cache hits: > > 5999634 of 6277198: 95% > Cache misses: > > 277564 of 6277198: 4% > Cache evictions: > > 307751 > Cache traffic: > > 16.8 GB in, 26.2 GB out > Uptime: > > 938019 seconds > > > On Thu, Mar 6, 2014 at 5:20 PM, Christian Hammond <chip...@chipx86.com>wrote: > > Hi Ze, > > Those warnings are probably unrelated. > > I want to get a better sense of the performance problems. First thing I > want to check is that your server is properly accessing and using > memcached. If you log into the admin UI, do you see any stats on memcached, > and any keys stored in the cache? > > Christian > > -- > Christian Hammond - chip...@chipx86.com > Review Board - http://www.reviewboard.org > Beanbag, Inc. - http://www.beanbaginc.com > > > On Thu, Mar 6, 2014 at 4:52 PM, Ze Lin Xiao <ilacknormal...@gmail.com>wrote: > > Hi Christian, > > We're facing some pretty bad performance issues on our production system > after we moved our application to a different vm with RHEL6.4. > > We notice that our performance issues occur especially when the log shows > this: > [Fri Mar 07 00:18:19 2014] [error] > /opt/software/lib/python2.7/site-packages/pycrypto-2.6.1-py2.7-linux-x86_64.egg/Crypto/Util/number.py:57: > PowmInsecureWarning: Not using mpz_powm_sec. You should rebuild using > libgmp >= 5 to avoid timing attack vulnerability. > > However, it is important to note that we've seen these warning issues for > the last 1.5 years, so I doubt it has to do with it. Nonetheless, do you > know what specific operations one could do to trigger this warning? I'm > trying to see if I can reproduce the performance spikes. > > Thanks, > Ze > > On Wednesday, February 6, 2013 12:22:49 AM UTC-8, Christian Hammond wrote: > > Hi Chuck, > > Sorry for failing to respond to the previous e-mail. Missed it. > > I haven't seen that particular warning before. It'll probably have a log > entry any time pycrypto is imported. What distro/version are you using? > Sounds like maybe it's an older one? You may need to hand-upgrade libgmp, > I'm not sure. > > From your previous e-mail: > > Doing a site backup never hurts, but generally isn't important. > > Review Board won't delete any files. At most, it'd add some new > directories and tell you to change permissions, but I don't think we've > done that since 1.5. We have provided instructions on other sorts of manual > updates that need to be made, though. > > We don't have any documentation right now on p4python's SSL support. This > is only needed if you're using SSL-backed Perforce repositories. It's > unfortunately not something we can automate well right now, but > essentially, you'd have to install OpenSSL 1.0.1 on your distro and install > its development package (I don't know if newer versions work -- hopefully > other 1.0.x releases do). You'd then need to manually compile/install > p4python. Yes, it's a pain, but it's something Perforce will need to make > easier for us. > > From the e-mail you just posted while I was replying to this, you'd need > to check the reviewboard.log file and see what error it's reporting before > I can say what happened. > > Christian > > -- > Christian Hammond - chi...@chipx86.com > > Review Board - http://www.reviewboard.org > VMware, Inc. - http://www.vmware.com > > On Feb 6, 2013, at 12:10 AM, chuck j <cjerr...@gmail.com> wrote: > > Hi Christian, > > I would like to thank you for your response about upgrade. > > I went through with your comments and i was able to bring my server to > 1.7.4. > > Also also want to bring to your notice regarding below warning i got after > while upgrading my site. > > /usr/local/lib/python2.7/site- > > -- > Ze Lin Xiao > > -- > Get the Review Board Power Pack at http://www.reviewboard.org/powerpack/ > --- > Sign up for Review Board hosting at RBCommons: https://rbcommons.com/ > --- > Happy user? Let us know at http://www.reviewboard.org/users/ > --- > You received this message because you are subscribed to the Google Groups > "reviewboard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to > reviewboard+unsubscr...@googlegroups.com<javascript:_e(%7B%7D,'cvml','reviewboard%2bunsubscr...@googlegroups.com');> > . > For more options, visit https://groups.google.com/d/optout. > -- -- Christian Hammond - chip...@chipx86.com Review Board - http://www.reviewboard.org Beanbag, Inc. - http://www.beanbaginc.com -- Get the Review Board Power Pack at http://www.reviewboard.org/powerpack/ --- Sign up for Review Board hosting at RBCommons: https://rbcommons.com/ --- Happy user? Let us know at http://www.reviewboard.org/users/ --- You received this message because you are subscribed to the Google Groups "reviewboard" group. To unsubscribe from this group and stop receiving emails from it, send an email to reviewboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
