chetanmeh commented on issue #4189: invoker memory  continues to rise
URL: 
https://github.com/apache/incubator-openwhisk/issues/4189#issuecomment-449238080
 
 
   @silvasong Can you share heapdump where its accessible to us? Or you can get 
the heap histogram.
   
   ```bash
   $ docker ps | grep invoker
   
   # Get the container id and use it below to open a bash shell
   $ docker exec -it xxx bash
   
   # Get heap details. In docker the invoker java process has pid 1. So below 
command should dump the heap histogram which may provide clue on what is 
consuming the heap
   $ jcmd 1 GC.heap_info
   $ jcmd 1 GC.class_histogram
   ```

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