In their current implementation, the data-aggregator scripts do not work
correctly on sampling results.
Change-Id: I1035970b352f513d725bd1a40ac9262368ffbcc0
By default, the data-aggregator scripts create machine-readable,
tab-separated output. The optional "-t" switch (passed to the
internally used `mysql' command-line client) creates human-readable
table output instead.
Change-Id: Ie448c21a4e82dea83f3e43e6642e67eb85f8b8e9