commit cc29e558886fdf072f26a798dc4684d59e95fdb6
author Matthias Andreas Benkard <code@mail.matthias.benkard.de> Fri Jan 22 14:47:29 2021 +0100
committer Matthias Andreas Benkard <code@mail.matthias.benkard.de> Fri Jan 22 15:03:27 2021 +0100
tree 9711ba805007d4162d10a8138581f02c8e4cbf56
parent 0c0a461307c6cd4a9675d3d4305ce17f013dcec6

Turn on JEP 346 (Promptly Return Unused Committed Memory from G1).

This tunes G1 so it performs a full GC and releases the memory
reclaimed back to the OS once every 5 minutes.

See: https://openjdk.java.net/jeps/346

Before:

    NAME                       CPU(cores)   MEMORY(bytes)
    mulkcms2-857469cf-p9rvx    1m           428Mi

After:

    NAME                       CPU(cores)   MEMORY(bytes)
    mulkcms2-74d8c8f69-wvfz8   3m           337Mi

Change-Id: I2f6272ad83665f9ee0810c435d0511fd8807697d