Messages in this thread | | | Date | Tue, 12 Feb 2002 13:26:28 -0500 (EST) | From | Chuck Lever <> | Subject | Re: [PATCH] Remove BKL from NFS read/write code + SunRPC... |
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there's also a technical report that describes work we did recently to improve write performance, which summarizes the web page Trond listed below. see
http://www.citi.umich.edu/techreports/reports/citi-tr-01-12.pdf
we're publishing a revised version in the June 2002 Usenix technical conference proceedings; if you intend to cite the paper, we'd prefer that you cited that one instead.
On Tue, 12 Feb 2002, Trond Myklebust wrote:
> >>>>> " " == Dave Hansen <haveblue@us.ibm.com> writes: > > > Trond Myklebust wrote: > >> The following patch strongly reduces BKL contention within the > >> NFS read/write code, and within the generic RPC layer. > > > Do you have any benchmarks which showed BKL contention in the > > NFS code? > > I'm not trying to criticize, I think the patch is wonderful. > > I want > > to have some more numbers to say, "Look! The BKL _is_ bad!" > > See Chuck's paper on > > http://www.citi.umich.edu/projects/nfs-perf/results/cel/write-throughput.html > > > Cheers, > Trond >
- Chuck Lever -- corporate: <cel@netapp.com> personal: <chucklever@bigfoot.com>
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