100mb is easy it hit even with basic stress test config. Don't set
a limit by default so that an operator can size it appropriately based
on their hardware.
Starting to integrate some of the components into a engine that is
usable for development purposes. This allows the code to evolve while
keeping the existing TSM engine in tact for reference.
Currently, just the WAL is wired up so writes can be tested. Other engine
functions will panic the server if called.