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To: gentoo-mirrors@g.o
From: Georgi Georgiev <chutz@...>
Subject: Re: Configuration Request
Date: Thu, 2 Dec 2004 10:55:57 +0900
maillog: 01/12/2004-16:30:40(-0700): Rob Baxter types
> i think the point is that the data that gets cached can and does change 
> every 30 minutes, so caching doesn't really help.

It does help. If data changes, it is first updated in the cache. New
data is served directly out of the cache, while the hard disk is synced
in the background. That's unless I am majorly mistaken about how caching
works.

> all 5 servers in the rsync.gentoo.org rotation are currently running
> rsync out of ram. i think i can safely say they wouldn't be nearly as
> fast as they are, running off a hard disk.

Do you have some real numbers? I am not trying to doubt you too much. I
am genuinely curious how big the speedup is and if it is worth the
effort. All I wanted to point in my post is that the speedup is probably
not that great, but I'd really like to see benchmark numbers if someone
went to the trouble of doing it.

> besides, ram is cheap

That's pretty relative. $70 for 512MB is not cheap for me. One reason
why my poor "server" is still running with 2x512MB *PC133*.

> and has a small footprint (smaller blocks) using
> ramdrive, why not use it.

Well, you may be right. I guess I could try serving two trees and do
some tests myself.

-- 
*)   Georgi Georgiev   *) What fools these morals be!                  *)
(*    chutz@...    (*                                              (*
*)  +81(90)6266-1163   *)                                              *)

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Replies:
Re: Configuration Request
-- Kurt Lieber
Re: Configuration Request
-- Rob Baxter
References:
Configuration Request
-- Brath, Shane
Re: Configuration Request
-- Rob Baxter
Re: Configuration Request
-- Georgi Georgiev
Re: Configuration Request
-- Rob Baxter
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Updated Jun 17, 2009

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