Is the current SQL instance is part of a cluster?
Flush dirty pages to disk - What this does is determined by the Recovery mode set on the database. It can also truncate the trans log depending on the Recovery mode. Maybe something to only run in DEV.
Clear out cache
Show the query plan without using the UI
Sets the statistics for Time and IO on for the session
Dynamic Management Views (DMV) - Returns server state information CHECKPOINT Internval
Then change RecoveryInternval - Default every minute