RE: [squid-users] Squid Caches

> Subject: RE: [squid-users] Squid Caches
>
> http://www.squid-cache.org/mail-archive/squid-users/200008/0147.html

 
> Should cover the perf reasons. (in summary raid 5 has read perf benfits
> only, and can affect squid (depending on your hit rate vs object commit
> rate of course).

read perf could be better for one-by-one request. but if we use diskd so
doing many requests on many cache dirs in paralell it would be fastest
 
> See the raid branch at sourcerforge for auto-recovery after cache_dir
> failures.
>
> Rob
>
> > -----Original Message-----
> > From: Mike Diggins [mailto:diggins@mcmail.cis.mcmaster.ca]
> > Sent: Sunday, April 29, 2001 11:59 AM
> > To: squid-users@squid-cache.org
> > Subject: Re: [squid-users] Squid Caches
> >
> >
> >
> > Thanks for the replies.
> >
> > My initial thought was that a stripe set was the obvious
> > choice for the
> > squid cache. It seems that isn't the case. Why wouldn't Squid
> > benefit from
> > the stripe set?
> >
> > Also, if I have, say, two cache dirs spread over two physical
> > disks and
> > one drive fails, will squid continue to run with one cache dir out of
> > commission?
> >
> > -Mike
> >
> > On Sat, 28 Apr 2001, Henrik Nordstrom wrote:
> >
> > > There is no big performance difference between the two
> > configurations,
> > > but having them separate is probably easier to maintain.
> > >
> > > Note: If you have disksuite then there is a performance gain in
> > > assigning one of the drives as DiskSuite log drive for the other
> > > drives.. (the log drive should not be used for cache, but
> > it might be
> > > used for OS or other less I/O intensive purposes)
> > >
> > > --
> > > Henrik Nordstrom
> > > Squid Hacker
> > >
> > > Mike Diggins wrote:
> > > >
> > > > What's the better option for a squid cache; multiple
> > cache directories
> > > > over two or more separate disks or a single cache on a
> > striped disk set
> > > > (say two or three disks)? This would be on a Sun system
> > running solaris 8
> > > > and squid 2.4 stable1.
> > > >
> > > > -Mike
> > >
> > >
> >
> >
>

-----------------------------------------------
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It is just a bit selective about his friends.
Received on Sun Apr 29 2001 - 04:34:20 MDT