Review request for JDK-8137333: Boundless soft caching of property map histories causes high memory pressure

[Attila Szegedi]

Please review JDK-8137333 "Boundless soft caching of property map histories 
causes high memory pressure" at 
<http://cr.openjdk.java.net/~attila/8137333/webrev.jdk9> for 
<https://bugs.openjdk.java.net/browse/JDK-8137333>

Thanks,
  Attila.