You are about to hear A collection of some recorded stuff Some are good Some are bad Some are just okay
Mr. Oizo
Pillar is a collection of server recipies in Java, connected to random aspects of server logic, distributed interaction and connection management.
Common - command line client, abstract time provider, wait strategies
CommonDB - DB transactions abstraction
Pulse - abstract server heartbeat, provides information about other active servers running the same heartbeat.
Tracker - abstract object tracker with expiration (similar to ZooKeeper's ephemeral nodes)
Resourceful - resource locking