Two performance additions. 1) Use the -e option to mysqldump to turn of "fast insert" mode. That option plus a couple of others makes duplicating the DB 3-4x faster.
Two performance additions. 1) Use the -e option to mysqldump to turn
of "fast insert" mode. That option plus a couple of others makes
duplicating the DB 3-4x faster.

Add a DB table of tables to prune out of the copy before creating the
clean DB. There is a lot of stuff in the DB that is not needed for the
testsuite, and the constant copies churn the DB for little reason.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome