MongoDB
@databases
Queries
// Show current operations
db.currentOp()
// Show long running queries
db.currentOp()['inprog'].filter(function(x) {return x.secs_running > 10})
// Kill a query
db.killOp(12345)Administration
// Drop database
db.dropDatabase();Rotate logs
::
kill -SIGUSR1 <mongod pid>
Documentation