what happens to the heap if you manually trigger a GC via the button?
On Thu, Jan 9, 2014 at 12:01 AM, gvim <gvi...@gmail.com> wrote: > Here's the date from `jvisualvm`: > > JVM: > char[] 19% > java.lang.object 15.5% > java.util.TreeMap$Entry 12% > java.io.ObjectStreamClass$WeakClassKey 11% > byte[] 11% > int[] 6% > > main: > char[] 24% > byte[] 17% > java.lang.object 14% > java.util.TreeMap$Entry 10% > java.io.ObjectStreamClass$WeakClassKey 10% > int[] 6% > > > Heap size: 366Mb > Used heap: 85Mb > > gvim > > > > On 09/01/2014 04:32, Gary Trakhman wrote: > >> you're still missing some basics about java memory management. In >> another thread, I mentioned the java VM will take more memory than it >> needs, that is because it prioritizes throughput over footprint. There >> are knobs for all of that. It's not clear what's taking so much memory, >> but it's certainly not luminus or clojure. Use jvisualVM to find out >> for sure instead of comparing apples to oranges. >> >> >> On Wed, Jan 8, 2014 at 4:24 PM, gvim <gvi...@gmail.com >> <mailto:gvi...@gmail.com>> wrote: >> >> On OS X Mountain Lion I just compared the memory footprint of 3 >> out-of-the-box web apps in these frameworks: >> >> Clojure/Luminus: 152Mb (JVM) + 186Mb (main) = 338Mb >> >> Ruby/Rails: 62Mb >> >> Elixir (Erlang)/Weber: 32Mb >> >> I was rather shocked, to say the least. Not to troll, it has made me >> think again about deploying Clojure web apps on hosting platforms >> with modest amounts RAM. I'm sure the figures for all 3 would >> increase significantly once the web apps are fleshed out but that >> probably applies equally to all 3 frameworks. >> >> gvim >> >> >> -- >> -- >> 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 >> <mailto: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+unsubscribe@__googlegroups.com >> <mailto:clojure%2bunsubscr...@googlegroups.com> >> >> For more options, visit this group at >> http://groups.google.com/__group/clojure?hl=en >> >> <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+unsubscribe@__googlegroups.com >> <mailto:clojure%2bunsubscr...@googlegroups.com>. >> For more options, visit https://groups.google.com/__groups/opt_out >> <https://groups.google.com/groups/opt_out>. >> >> >> >> -- >> -- >> 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/groups/opt_out. >> > > -- > -- > 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/groups/opt_out. > -- -- 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/groups/opt_out.
