HELP! Please

[Tagger12496]

i been having a problem with the server. it keep saying "cant keep up! did the system time change or is the server overloaded?" its really annoying and idk what to do to fix it.

i have the server running on 6GB out of the 16GB of RAM i have. the server is not laggy what so ever and doesnt crash. it just spams me with that [WARNING] message.

my computer Specs are

processor 2.7GHz Intel Core i7

Memory 16GB 1600 MHz DDR3

and i also have the latest version of java.

all 89 mods are up to date and work fine.

[Tagger12496]

this is a screen shot of the [WARNING] Message

https://www.dropbox.com/s/i64cr1c7e28xzkp/Snip20130808_1.png

[plowmanplow]

How's your CPU utilization? Are all the cores pegged?

[Tagger12496]

No they are all fine. Oh and i have quad core. Its only using one core up.