Nigel Kersten wrote: > On Mon, May 4, 2009 at 2:07 PM, <ch+...@zeha.at> wrote: >> On Apr 30, 7:20 pm, Nigel Kersten <nig...@google.com> wrote: >>> so here are my unorganized thoughts on Passenger settings. >>> >>> * PassengerMaxPoolSize >>> >>> This depends a lot on two primary variables. a) How much RAM you have. >>> b) How much resident memory is needed for your environments/modules. >>> Only way to determine this is with tweaking, and you'll need to be >>> much more conservative than the suggested settings on the Passenger >>> docs as your app takes up a lot more memory than your average site. >> Sure; the puppetmaster processes are quite heavy. >> Right now I'm running with a MaxPoolSize of 10, fitting nicely into >> the 2.5GB of reserved memory. > > I'm finding a similar value works quite nicely in conjunction with setting > > PassengerMaxRequests 3000 > > Although I'm running with the defaults for idle time of 300 seconds > anyway, I find that on overnight puppet runs (where we have one > environment predominantly puppeting, but a few miscellaneous other > environments also checking in less frequently), this has a significant > impact upon memory usage. > > Without the max requests setting (which for us is about the equivalent > of 20 puppet runs for that app instance), memory usage continues to > climb. > > I'm not actually seeing memory leaks as such with 0.24.8. What I am > seeing is that there is a large memory hit for an app instance loading > a new environment, and that this doesn't necessarily get reclaimed > quickly enough once that environment is no longer actively used by the > puppet server.
You can tune the PassengerPoolIdleTime to a smaller value than the default 300 seconds to make it reclaim memory faster. Have you experimented any with that? Steven --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Puppet Users" group. To post to this group, send email to puppet-users@googlegroups.com To unsubscribe from this group, send email to puppet-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/puppet-users?hl=en -~----------~----~----~----~------~----~------~--~---
