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Re: it was a slow death

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On Sat, 2010-12-25 at 01:59 +1300, Amos Jeffries wrote:
> On 25/12/10 01:32, Optimum Wireless Services wrote:
> > On Wed, 2010-12-22 at 16:54 +1300, Amos Jeffries wrote:
> >> On 22/12/10 04:49, donovan jeffrey j wrote:
> >>> Greetings
> >>> i discovered the culprit to my woes as my internet connections slowly died. It was my 2 cache drives. As they would fill, and swap, and fill, and swap.. well you get the picture. Both drives just burned up and won't mount.
> >>>
> >>> So im running a cache_less system, which we are finding is really quick.
> >>>
> >>> does this look right for intercept only no cache ? are there any performance adjustments I can do ?
> >>> squid 3.1.9
> >>>
> >>> http_port 10.0.1.1:3128 transparent
> >>
> >> not performance exactly but "transparent" should be written "intercept"
> >> in 3.1+
> >>
> > Hi Amos.
> >
> > Sorry to hijack this thread.
> >
> > Are you saying that for version 3.1+ we should use:
> >
> > http_port 10.0.1.1:3128 intercept
> >
> > instead of transparent?
> 
> Yes. Exactly so.
> 
> >
> > I'm currently using 3.1.9 like this:
> >
> > http_port 172.16.0.1:3128 transparent disable-pmtu-discovery=off
> >
> > Is that correct?
> 

Ok.
Let me change my squid.conf file.

Thanks.

> Same there.
> 
> The PMTU setting depends entirely on your local network situation. 
> Disabling is a last resort. Traffic as a whole will work much better if 
> the problem requiring it can be resolved. It's often just a matter of 
> finding and fixing an ICMP config somewhere (hopefully under ones own 
> control or a that of friendly external admin).
> 
> >
> >> Otherwise it looks just fine.
> >>
> >> The other performance adjustmenst would be kernel and TCP stack things
> >> to make ports available more frequently (avoiding some TIME_WAIT) and
> >> accept jumbo packets etc. I'm not sure on the exact sysctl knobs to
> >> tweak, they should be easy to find if you have not done them already.
> >>
> >> FWIW: 3.1.10 is now in the release process with several memory
> >> consumption fixes.
> 
> Amos



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