Re: [LAU] optimal disk performance, ubuntu

From: Peder Hedlund <peder@email-addr-hidden>
Date: Thu Nov 20 2008 - 13:50:52 EET

Quoting Peder Hedlund <peder@email-addr-hidden>:

> Those numbers seem about right. The three disks in my PC at work show:
>
> sda: Samsung SpinPoint SP0411C 40GB SATA/150 7200RPM 2MB HDD
> /dev/sda:
> Timing cached reads: 2920 MB in 2.00 seconds = 1460.18 MB/sec
> Timing buffered disk reads: 150 MB in 3.02 seconds = 49.72 MB/sec

Hmm, I tried using hdparm-9.3 (as opposed to the default 6.6) and the
cached reads dropped to short of 700. The buffered numbers remained
though.

- Peder
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Received on Thu Nov 20 16:15:02 2008

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