search for: afd1

For a given hour I want to be able to add a new column called flag. The flag column will flag the highest price in a given hour. Is there a way to do this without a loop? matrix: Unit, Day, Hour, Price, Flag afd1 1/2/2003 1 1 N afd1 1/2/2003 1 2 N afd1 1/2/2003 1 3 N afd1 1/2/2003 1 4 Y dcf1 1/2/2003 2 2 N dcf1 1/2/2003 2 3 Y dcf1 1/2/2003 2 1 N dcf1 1/2/2003 2 2 N dcf1 1/2/2003 2 3 Y ghg2 1/2/2003 3 1 N afd1 1/2/2003 3 2 N ..... -- View this message in context: http://r.789695.n4.nabble.com/flagging-valu...

Does anyone know of any FOSS tools that can assist in benchmarking ISC DNS and DHCP services? I would like to simulate X number of users attempting to pull an IP, resolve DNS names, etc. I would also like to test TCP connections into a CentOS server. We have some software that communicates with equipment via a TCP connection and I want to simulate thousands of TCP connections coming into one