hmsonline/virgil — Issue #4: Use nanoTime in reads/writes.
Author: boneill42
Created: 2012-02-07 02:53:54+00:00
State: open

"Timestamps can be anything you like, but microseconds since 1970 is a convention. Whatever you use, it must be consistent across the application otherwise earlier changes may overwrite newer ones. "
http://wiki.apache.org/cassandra/DataModel