Re: lug-bg: Linux box performance tuning

[ice@xxxxxxxxx (Iceman)]

On Wed, 08 Dec 1999, you wrote:
> On Tue, 7 Dec 1999, Peter Nedeltchev wrote:
> 
> > Zdravejte,
> > 
> > Vchera mi napravi vpechatlenie golqmata razlika v proizvoditelnostta na dve
> > ednakvi mashini, rabotesti s Linux i razlichavasti se samo po svoite diskove.
> > Ednata mashina e s UW SCSI,  a drugata s EIDE UDMA.
> > Za vseki e qsno, che razlika ima. Osobeno pri rabota s istinska mnogozadachna
> > OS.
> > I vse pak  proizwoditelnostta na  (E)IDE diskovete moje chuvstwitelno da se
> > podobri ako chovek si napravi truda da  proveri nastroikata na svoqta sistema i
> > ako e neobhodimo da izv'rshi  s'otvetnite promeni.
> > Osnovniqt problem e che linux distribuciite po default izpolzwat  16-bit I/O
> > operacii za  (E)IDE diskovete.  Tova moje da se proveri s :
> > hdparm -c /dev/hd?
> > Prevkluchvaneto na 32 I/O operacii stava s :
> > hdparm -c 1 /dev/hd?      
> > ili
> > hdparm -c 3 /dev/hd?                (v zavisimost ot chipset-a)
> > 
> > Za dopulnitelni nastrojki i testove na proizvoditelnostta na hard diskovete vij
> >    "man hdparm".
> > 
> > 
> > Ste se radvam ako uspeete makar i malko da zab'rzate svoqt linux box. ;)
> 
> heh :))
> /sbin/hdparm -q -W1 -q -a1 -q -c1 -q -m16 -q -S255 -q -p /dev/hda
> twa polzwam az :)).. na 486 s quantum fireball (ide, cr ili cx)
> 
> eto i test (ne che towa trqwa da e ot golqmo znachenie :)) 
> 
> [root@orcish /root]# hdparm -tT /dev/hda
> 
> /dev/hda:
>  Timing buffer-cache reads:   128 MB in 10.18 seconds =12.57 MB/sec
>  Timing buffered disk reads:  64 MB in 17.10 seconds = 3.74 MB/sec
> 
> 
> 	Regards: Martin Spasov
> 			(mspasov@xxxxxxx)
> 
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service:~# hdparm -tT /dev/hda
 
/dev/hda:
 Timing buffer-cache reads:   128 MB in  3.10 seconds =41.29 MB/sec
 Timing buffered disk reads:  64 MB in 14.71 seconds = 4.35 MB/sec

ervice:~# hdparm -c 1 /dev/hda
/dev/hda:
 setting 32-bit I/O support flag to 1
 I/O support  =  1 (32-bit)

ervice:~# hdparm -tT /dev/hda
/dev/hda:
 Timing buffer-cache reads:   128 MB in  3.09 seconds =41.42 MB/sec
 Timing buffered disk reads:  64 MB in 10.70 seconds = 5.98 MB/sec

ervice:~# hdparm -q -W1 -q -a1 -q -c1 -q -m16 -q -S255 -q -p /dev/hda
 HDIO_SET_PIO_MODE failed: Function not implemented

ervice:~# hdparm -q -W1 -q -a1 -q -c1 -q -m16 -q -S255 -q /dev/hda

ervice:~# hdparm -tT /dev/hda
/dev/hda:
 Timing buffer-cache reads:   128 MB in  3.09 seconds =41.42 MB/sec
 Timing buffered disk reads:  64 MB in  7.80 seconds = 8.21 MB/sec  

Na Quantum 3.2EX .... ne e zle ...


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Otpiswaneto RABOTI !!! : Majordomo@xxxxxxxxxxxxxxxxxx UNSUBSCRIBE LUG-BG
http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora