Re: [squid-users] Squid performance issue [again]

On Mon, 17 May 2004, Michael Gale wrote:

> Hello,
>
> If you have unlimited physical RAM -- then why not use a RAM disk for cache ?
> Personally I think that cache is over rated. There is NO point is having over
> 15-20 MB of cache per-person anyways.

20MB per user is around 400GB for me. Spread across three boxes we have
about 6GB of ram and 230GB of disk. during the work-week that's about 2
days worth of cache objects.
 
> Here I have given squid a 150MB RAM disk to store it's cache on -- so it the box
> crashed my cache is gone -- but then if the box crashed I have bigger problems.
>
> Michael.
>
>
>
> On Mon, 17 May 2004 08:17:19 +0000
> "Lizzy Dizzy" <lizzy_99@hotmail.com> wrote:
>
> > Hi,
> >
> > I understand that the size of the physical RAM has to be proportional to the
> > total harddisk cache size. Supposing I have
> >
> > unlimited physical RAM,
> >
> >
> > 1) What is the recommended size of 1 physical harddisk for each server (each
> > server can have sda, sdb etc...). The reason I
> >
> > am asking this is that I am concern that the bigger a disk is, the longer
> > squid needs to get an object out of it.
> >
> > I am currently using a U320 SCSI disk of 10KRPM, size 73GB. It is being
> > partitioned into 4 smaller partition of 17GB each.
> >
> > Performace is within expectation, but I am wondering if reparttioning it
> > into smaller sizes would give better yield. On the
> >
> > other hand, the disk has a fixed number of head, so would it even help?
> >
> > 2) In term of performance only, is a 100GB harddisk better (partitioned into
> > 5 20GB partitioned) or 5 20GB harddisks better.
> >
> >
> > Thanks
> > Liz
> >
> > _________________________________________________________________
> > Find it on the web with MSN Search. http://search.msn.com.sg/
> >
> >
> >
> >
> >
>
>
>

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Joel Jaeggli  	       Unix Consulting 	       joelja@darkwing.uoregon.edu    
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