You didn't mention whether this was on the free tier or a paid dyno. I would expect the paid dynos to not be as heavily provisioned and could possibly alleviate this.
--- Daniel > On 17/06/2014, at 5:47 am, Brian Marick <mar...@exampler.com> wrote: > > We have a small Clojure app on Heroku that performs backend tasks for a Rails > app. Low traffic (like a request a minute). Heap is 400M. We've been having > long (10 sec) GC pauses using both the default and G1 GC (both untuned). > Browsing our logs today, I found: > > [GC pause (young) 156M->36M(400M), 56.0281380 secs] > > A minute for GC seems... excessive. > > Our other Clojure apps also have GC problems. > > 1. Is this something peculiar to Heroku? Clojure in small-memory > environments? I have very little experience with non-Clojure java apps, but a > coworker says: "I've run JVMs with +20g heaps, and *never* seen 10s pauses, > let alone a whole f%#^$ing minute". > > 2. Is there lore about appropriate GC tweaks for Clojure backend server apps? > > -------- > Latest book: /Functional Programming for the Object-Oriented Programmer/ > https://leanpub.com/fp-oo > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
