Benchmarking Filesystems (Part II)

Christos Ricudis ricudis at komodino.itc.auth.gr
Fri Jan 13 13:54:36 EET 2006


Alexandros Kosiaris wrote:

>Christos Ricudis wrote:
>  
>
>>Michael Iatrou wrote:
>>
>>    
>>
>>>To Linux Gazette έχει ένα συγκριτικό για το performance 6 filesystems
>>>(ext2, ext3, JFS, Reiserfs3, Reiser4 και XFS) σε 2.6.14.4.
>>>
>>>Το (πολυαναμενώμενο) Reiser4 φαίνεται να έχει κάποια προβληματάκια...
>>>
>>>    http://linuxgazette.net/122/piszcz.html
>>>
>>> 
>>>
>>>      
>>>
>>To sygkekrimeno benchmark einai gia ta skoupidia.
>>    
>>
>Να έδινες κάποια επιχειρήματα ?
>  
>
Prwta prwta o typas den exei idea estw kai apo elementary statistics. 
Logiko bebaia, mia kai ton kobw gia hlektrologo.  Xrhsimopoiei sample 
size 1, kai fysika kata synepeia de dinei poy8ena variance metrics gia 
ta benchmarks, na mh milhsw gia diasthmata empistosynhs, ta graphs einai 
paraplanhtika (se kapoio graph exei tetoia klimaka pou mia diafora 0.5% 
sto benchmark deixnei 50% aykshsh sto bar graph).

H platforma poy trexei to benchmark einai ligo xeiroterh apo keinh pou 
syzhtousame prin apo merika threads gia tous window managers, ta 
syn8etika benchmarks pou kanei einai empeirika me empeiria nhpiagwgeiou, 
den exei idea apo performance metrics,  kobw ton kwlo mou oti den ekane 
apolytws tipote gia na apotrepsei kammia 10aria deytereyontes paragontes 
apo to na tou skisoun ta results, kai genika fainetai toso anaksiopistos 
pou pi8anotata de 8a mporouse na brei enan arseniko papagalo akoma kai 
ntymenos papagalina, xorophdwntas kai bgazontas xaroumenous 
papagalistous hxous sthn mesh ths epoxhs tou zeygarwmatos twn papagalwn 
mesa s'ena papagaloektrofeio.

-- 
Christos Ricudis				ricudis at itc.auth.gr
Systems Administrator				+30-2310-998656
IT Support Center
Aristotle University of Thessaloniki, GREECE




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