Re: 回复:Re: what means Cache-off?

It's in the FAQ under the section labelled "12.34 What does
--enable-heap-replacement do?" (the FAQ is well worth reading...covering
almost anything you could want to know about Squid):

http://www.squid-cache.org/Doc/FAQ/FAQ-12.html#ss12.34

maer727@sohu.com wrote:
> Thanks, Joe pal!
>
> Where can I find paper from the Hewlett Packard as you mentioned?
>
> Best regards,
> George, Ma
>
> ----- 原文 -----
> From: Joe Cooper
> To: maer727@sohu.com
> Cc: squid-dev@squid-cache.org
> Subject: Re: what means Cache-off?
> Sent: Wed Apr 10 14:08:36 CST 2002
>
>
>>I have no idea. Alex mentioned in his reply on this topic a couple of
>>options. And it wouldn't be difficult to script something in perl that
>>will read an access log and fetch every object fetched during the day.
>>Probably 5-10 minutes if you just want to test hit ratio (and don't care
>>about latency or throughput issues).
>>
>>That said, Polygraph can provide a quite realistic workload without
>>relying on the quirks of the real internet--polymix-4 has no flaws as
>>far as I can see for realistically reproducing the workload a production
>>cache would see. Have you read the paper from the Hewlett Packard folks
>>who first implemented the heap-based policies? They've already done a
>>pretty solid bunch of research into the impact of the various policies.
>> How the policies perform is mostly a known quantity.
>>
>>maer727@sohu.com wrote:
>>
>>>Thanks, Joe pal!
>>>
>>>Your reply has clarified my doubts. I still have a question. If I want to use
>>> historical log-files to test the performance of my cache, which do you think
>>> is the best tool for I to use? My aim to test the LRU, GDSF and LFUDA algorithms
>>> ( The hit rate of them.)
>>>
>>>Best regards,
>>>George, Ma
>>
>>--
>>Joe Cooper <joe@swelltech.com>
>>http://www.swelltech.com
>>Web Caching Appliances and Support
>>
>
>
>
>

-- 
Joe Cooper <joe@swelltech.com>
http://www.swelltech.com
Web Caching Appliances and Support