[CASSANDRA-6278] Use AtomicIntegerFieldUpdater to save memory in row cache

• Type: Improvement
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 2.1 beta1
• Assignee: Marcus Eriksson
• Reporter: Marcus Eriksson

Authors

Marcus Eriksson

Reviewers

Jonathan Ellis

• Created: 31/Oct/13 15:39
• Updated: 16/Apr/19 09:32
• Resolved: 01/Nov/13 06:02

Description

from this:
http://normanmaurer.me/blog/2013/10/28/Lesser-known-concurrent-classes-Part-1/

instead of having an AtomicInteger, we can keep a volatile int and use AtomicIntegerFieldUpdater to atomically update the value