[GitHub] rabbah opened a new issue #2389: JVM heap size is not set correctly for Java actions

[gi...@git.apache.org]

rabbah opened a new issue #2389: JVM heap size is not set correctly for Java actions
URL: https://github.com/apache/incubator-openwhisk/issues/2389
 
 
   Java actions run with no heap settings, regardless of the container's memory limit: https://github.com/apache/incubator-openwhisk/blob/master/core/javaAction/Dockerfile#L38
   
   This will cause a reused Java action to eventually be killed because the GC may not get a chance to run.
   
   ```bash
   >  docker run -m 64M -it javaaction bash
   # java -XX:+PrintFlagsFinal -version 2>&1 | grep MaxHeapSize
       uintx MaxHeapSize                              := 1035993088                          {product}
   ```
   
   That's 1GB even though memory limit for container is 64M.
 
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