From: C H Forsyth <forsyth@vitanuova.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] kfs performance
Date: Wed, 3 Mar 2004 19:28:39 +0000 [thread overview]
Message-ID: <04f8bb6e3856172ac18045959432989d@vitanuova.com> (raw)
In-Reply-To: <E1Aybpo-000Fug-UQ@t40.swtch.com>
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direct and indirect block pointers count as Bimm metadata to kfs,
so those writes are synchronous and as slow as the device.
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From: "Russ Cox" <rsc@swtch.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] kfs performance
Date: Wed, 03 Mar 2004 14:15:08 -0500
Message-ID: <E1Aybpo-000Fug-UQ@t40.swtch.com>
> "For metadata intensive benchmarks this improves performance by more than a f
> actor of two when compared to the conventional syncronous write approach"
>
> hget http://www.ece.cmu.edu/~ganger/papers/CSE-TR-254-95/CSE-TR-254-95.ps
except that extracting a 200MB file is anything but metadata intensive.
prev parent reply other threads:[~2004-03-03 19:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-02 14:15 David Tolpin
2004-03-02 14:27 ` matt
2004-03-02 14:55 ` ron minnich
2004-03-02 15:34 ` gdiaz
2004-03-03 2:19 ` Russ Cox
2004-03-03 2:31 ` Jeff Sickel
2004-03-03 8:52 ` Charles Forsyth
2004-03-03 9:23 ` David Tolpin
2004-03-03 10:35 ` matt
2004-03-03 9:48 ` matt
2004-03-03 9:51 ` David Tolpin
2004-03-03 19:15 ` Russ Cox
2004-03-03 19:28 ` C H Forsyth [this message]
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