You can connect jconsole or visualvm to your running app to monitor memory usage, GC, threads, etc, etc. On my machine, jconsole lives in $JAVA_HOME/bin/jconsole.
Cheers, Dave On Wed, Sep 12, 2012 at 10:12 AM, larry google groups < lawrencecloj...@gmail.com> wrote: > I need to know how much memory my app is using (it is a long running > service). I see that some people have asked about how to measue memory use. > Robert McIntyre asked, "get the total memory used by a data structure?" > Some of the answers imply that it is easy to get the total memory use of > the app (much easier than getting the memory used by a particular data > structure?). I am ignorant of the JVM. How can I find the total memory used > at any given moment by my app? > > Goal: I wrote a small app that uses Ring and Moustache and Enlive. It > lives on my server and runs perpetually. I worry about it crashing, or > becoming overloaded. I am setting up some ping services (not sure which > yet, Nagios, or Puppet or something) to ask the app "Are you still alive?" > I've established a special Moustache route just for the ping. It occurred > to me that the ping could get some useful info, like memory, and save that > to a file. That would give me the a good time series about the real world > memory use, maybe every 5 minutes. > > I established the app with this JVM setting: > > :jvm-opts ["-Xmx4000m"] > > Within that limit, I'd like to know what is going on. > > -- > 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 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
