[squid-users] which kernel is best for squid 3.xx with centos 6.3 with youtube caching ?

hi guys ,
i have installed centos 6.3
 i recompiled it with kernel 3.7.5 with tproxy suppport .
i want to say that squid 3.1 with kernel 3.7.5 is good , and i can make
caching about 25 %
 recently , i purchased third party which is called "videocache " this party
can be used to cache the youtube videos .
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but im facing some problems when using videocache with squid .
the problem are as follow :
1- squidguard begin to bypass althoug i chained it with videocache during
the rush hours !!!!!
2- the performance of video cache is bad , it just make about 5 M at max .

i monitored the sessions that videocache is running , by the command
#netstat -ant | grep 4444

""note that the port 4444 is the port of apache that videocache uses it "

i found that most of session of videocache is TIME_WAIT , and few of session
is considered as ESTABLISHED .
i had a look on the wiki below about some old kernels can make time wait
problems :
http://wiki.squid-cache.org/Features/Tproxy4#Linux_Kernel_

not sure if the problem from my kernel 3.7.5 !!!
but as i mentioned , the old kernels :
""""2.6.28 to 2.6.36 are known to have ICMP and TIME_WAIT issues """

but im not sure if the problem of videocache is from kernel or another issue
.
i wish a guy that used centos with videocache with no problems to tell me
which kernel he used that gave him a best performance and how much Bw he
could save

note that my current users is about 3000 users and i can make caching about
25 % , i think if i added the videocache i can make more caching ?

any suggestions to my issue above ???

with my best regards

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