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Date:      Sun, 30 Dec 2012 21:29:27 +0100 (CET)
From:      Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To:        Paul Schenkeveld <freebsd@psconsult.nl>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: UFS1 vs UFS2
Message-ID:  <alpine.BSF.2.00.1212302128320.62548@wojtek.tensor.gdynia.pl>
In-Reply-To: <20121230200307.GA69873@psconsult.nl>
References:  <alpine.BSF.2.00.1212301420030.3192@wojtek.tensor.gdynia.pl> <20121230193926.GA37126@psconsult.nl> <alpine.BSF.2.00.1212302041380.4966@wojtek.tensor.gdynia.pl> <20121230200307.GA69873@psconsult.nl>

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>
> I don't think performance will be much different but if so, UFS1 would
> be (sightly) faster than UFS2 because one page read will get more inodes
> from disk and 32 bit (UFS1) arithmetic may be slightly faster than 64 bit
> (UFS2).

thanks for answer i was looking for! i will rebuild FS to UFS1, saving ca 
1GB for inodes.

> If performance is an issue, consider turning off atime updates or even
> mount the filesystem read-only if possible.
i always turn off atime and use softupdates.

it cannot be readonly.



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