Re: [squid-users] Using Solid State drives for Performance

How large object workingset in relation to your RAM size have you been
testing with?

All my tests have shown a great dependency on the disk service time..
(which is in proportion to the seek time and workload)

--
Henrik Nordstrom
Squid Hacker
David Rumble wrote:
> 
> Hello
> 
> As Squid is an I/O intensive app, I have been working with a major user of
> Squid running on Linux RH 2.2.16.(bespoke). Hardware no name 512MB, single
> p2 300. Two test machines have been setup, One with a platypus Qikdrive
> www.platypus.net  (SSD 2GB capacity, upto 10MBps/15k Tps/Access times - 3/10
> MICROSECONDS. The other with 2GB Scsi HDD.
> 
> After considerable testing there is no performance gain as far as HIT access
> times are concerned. According to the drive spec/requestsPs equation one
> would expect a significant improvement. (requests/sec1000000/access time).
> Cpu and Bandwidth are within tolerances.
> 
> Does Squid use DISKD to cache to RAM? Are there any configs that need
> changing? Any advice,comments would be greatly appreciated.
> 
> Regards
> David Rumble
> 
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