Re: [squid-users] squid with FreeBSD 6.0 tuning

From: Wojciech Puchar <wojtek@dont-contact.us>
Date: Mon, 27 Nov 2006 09:31:19 +0100 (CET)

> yes but for us, latency is also an important factor. increasing max object
> size means more cache storage space is being consumed by bigger objects,
> which might get hits less too often. we have object hit ratio at around
> 50% and our byte hit with current setting is around 33%. with larger
> objects in cache, byte hit could probably be raised to above 40%, can't
> it? but the request hit drops too i suppose. its a tradeoff.

about 50% byte hit. latency is OK

>
> On Mon, 27 Nov 2006, Wojciech Puchar wrote:
>
>>> I think 5.7mbits/sec traffic with 18req/sec per cache (about 54req/sec for
>>> 3 cache) makes around 108kbit/request. still is quite big though. we allow
>>> objects upto 8MBytes to be cached.
>>
>> strange that you eliminate hits that saves the most traffic by limiting
>> object sizes.
>>
>> i use 10GB max size.
>>
>>>
>>> On Mon, 27 Nov 2006, Adrian Chadd wrote:
>>>
>>>> On Mon, Nov 27, 2006, Manoj Rajkarnikar wrote:
>>>>> request per second per cache is around 18 at peak time. traffic flow
>>>>> combined to all three cache is around 5.7Mbits at peak. do you think this
>>>>> cpu usage is normal for the provided load ??
>>>>
>>>> Not for 18 per second; but 5.7 mbit/peak at 18req/sec is averaging ~ 300k per
>>>> reply. Thats quite big. :)
>>>>
>>>> Did you compile with epoll() for linux or kqueue() for FreeBSD? Or, hm, can
>>>> you just paste ./squid -v here?
>>>>
>>>> Thanks,
>>>>
>>>>
>>>> Adrian
>>>>
>>>
>>> --
>>> Manoj Rajkarnikar
>>>
>>> System Administrator
>>> Vianet Communications Pvt Ltd
>>> Pulchowk, Lalitpur, Nepal.
>>> (PH)977-1-5546410
>>>
>>>
>>
>
> --
> Manoj Rajkarnikar
>
> System Administrator
> Vianet Communications Pvt Ltd
> Pulchowk, Lalitpur, Nepal.
> (PH)977-1-5546410
>
>
Received on Mon Nov 27 2006 - 01:31:29 MST

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