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Re: [TEKNIK] Ext3 data=writeback ?



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On Tue, 12 Feb 2008 21:57:09 +0000 (UTC)
Jesper Krogh <sslug@sslug> wrote:

Heldigt jeg anvender NNTP gennem min MUA, da dette indlæg ellers ville
have været på de evige bitmarker:-)

> Er der nogen der har praktiske erfaringer med at bruge data=writeback
> som mountoption til ext3. Ifølge man-siderne skulle det give noget
> performance. I det system jeg overvejer at gøre det på kører der p.t.
> en mysql-database og jeg ville helst ikke hvis den tog permanent
> skade af at der var nogle der kappede strømmen.. er der risiko for
> det? 
>
 
Jeg har anvendt denne option (data=journal), da det skulle give den
bedste performance, når der er mange samtidige skrivninger og læsninger
til samme disk - bl.a. database og mail servere.
Andrew Morton: http://www.ibm.com/developerworks/library/l-fs8.html
Ralf Hildebrandt: http://www.arschkrebs.de/postfix/postfix_ext3.shtml

Netop disse to personer har jeg stor tiltro til, så hvis de anbefaler
denne option i ovennævnte situation, er der grund til at antage, at det
har sin rigtighed. Det viste sig også at holde stik i praksis:-)

- -- 
Hilsen/Regards
Michael Rasmussen
http://keyserver.veridis.com:11371/pks/lookup?op=get&search=0xE3E80917
A computer is like air conditioning: it becomes useless when you open
windows.
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