jm + vm + jvm   2

TL;DR: Cassandra Java Huge Pages
Al Tobey does some trial runs of -XX:+AlwaysPreTouch and -XX:+UseHugePages
jvm  performance  tuning  huge-pages  vm  ops  cassandra  java 
february 2015 by jm
Why WeakHashMap Sucks
'SoftReferences are the cheap, crappy caching mechanism [...] perfect for when you'd like your cache to be cleared at random times and in random order.'
softreferences  weakreferences  weak  references  gc  java  jvm  caching  hash  memory  collections  vm  weakhashmap  via:spyced  from delicious
september 2009 by jm

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