[RFC PATCH] docker: Add support for using eatmydata in the database

[Stewart Smith]

Russell Currey <ruscur at russell.cc> writes:
> When running tox on a VM with presumably pretty busy spinning disks,
> using eatmydata with the database took running one configuration's test
> suite from (no exaggeration) 20 minutes down to 60 seconds.

As the author and been-attempting-to-no-longer-be-maintainer-of
eatmydata, this 20x improvement in test execution time doesn't really
surprise me. It turns out that properly flushing things to disk is
*really* expensive.

-- 
Stewart Smith
OPAL Architect, IBM.