Thanks guys! Going through your various tips helped me get the memory usage
down below the limit. Now things are running nicely.
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Hi Jason,
I have a hunch that you have more Java processes running than you need
and/or are aware of. For example, by running your Clojure app via lein run
-m clojureweb.core/serve, you have two Java processes: one for Leiningen,
and a separate one (started by Leiningen) for your app. It’s unli
If you want to get more deeply into JVM memory tuning, *perhaps* jClarity's
Censum tool can help: https://www.jclarity.com/censum/. It will run an
analysis of your specific applications memory usage patterns and make
suggestions how to configure the JVM for it.
Aria Media Sagl
+41 (0)76 303 4477
I always work in a single process, REPL and server, there's no need to
separate them out generally.
You might have better luck with the G1 collector, in addition to JVM
tuning. The G1 has the useful property of giving memory back to the OS
when a GC is performed.
Use the command-line flag: -XX:+U
You can tune memory usage by passing parameters to the JVM:
http://docs.oracle.com/cd/E19900-01/819-4742/abeik/index.html
The sample leiningen project file has an example of how to pass parameters
to the JVM:
https://github.com/technomancy/leiningen/blob/master/sample.project.clj#L264
Hope tha
