New Storage engines in 5.1

SolidDB

Transactional, ACID compliant Engine

Optimistic and Pessimistic Concurrency Control (Innodb uses Pessimistic)

Configurable Durability

Support transaction isolation on a per table basis

PBXT

Transactional not fully ACID compliant

Recovers from a crash faster then myISAM

Designed for Heavy INSERT usage

Memcache Engine

Tables with Key Pairs

Insert into memcache through mysql and use the memcache client to select against it. Incredibly fast on insert, very nasty bug in memcache client C-API that more then 100 connections, lockups occure.

Multiple mysql servers can share the same data

Monitoring memcache servers with table data in mysql

AWS Engine

Store data in S3 - cheap way to store data not really going to use

Alpha

HTTP Engine

Generic web service Engine

SELECT - GET INSERT - HTTP PUT UPDATE-DELETE/PUT DELETE; all mapped to generic web service arch.

Read from a Google spreadsheet then read in the database