Squid cache saturating internet connection?

[vesikk]

http://imgur.com/kN9NGRf as you can see in the link squid is saturating my internet connection. I know it's squid because as soon as I disable the speed drops. has anyone had this problem and is willing to assist me in fixing it.

[aGeekhere]

Proxy Server: Traffic Management:Squid Transfer Quick Abort Settings: Finish transfer if more than x % finished

Set this to 95%