回复:Re: =?GB2312?B?u9i4tDpSZTogd2hhdCBtZWFucyBDYWNoZS1vZmY/?=

Thanks, Joe pal!

You have clarified all my doubts.

Best regards,
George, Ma

----- 原文 -----
From: Joe Cooper
To: maer727@sohu.com
Cc: squid-dev@squid-cache.org
Subject: Re: =?GB2312?B?u9i4tDpSZTogd2hhdCBtZWFucyBDYWNoZS1vZmY/?=
Sent: Wed Apr 10 15:50:35 CST 2002

> 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
>
Received on Wed Apr 10 2002 - 04:11:59 MDT