Chapter 3 – AMP Worker Tasks
“Anything you can do needs to be done, so pick up the tool of your choice and get started.”
- Ben Linder
Teradata is a Message Passing System
All communication to and from AMPs are done via messages over the BYNET.
Every PE can communicate in a broadcast to all AMPs or to any AMP individually. AMPs can communicate to all other AMPs via a broadcast or to any other AMP individually.
Teradata has mastered communication with a message passing system between Virtual Processors (Vprocs) called AMPs and PEs. The Vprocs communicate through BYNET 0 or BYNET 1 or both with messages.
The Parsing Engine Parses the SQL and ...