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| author | dillon <dillon@FreeBSD.org> | 1999-12-13 17:34:45 +0000 |
|---|---|---|
| committer | dillon <dillon@FreeBSD.org> | 1999-12-13 17:34:45 +0000 |
| commit | bab004e7294b9a4e8172382b0cb3c56e712c7dee (patch) | |
| tree | e58f124699f778dea87aafa11777502c37675990 /UPDATING | |
| parent | 0a7cf7b8591f3e931974448e2634431df25c3c30 (diff) | |
| download | FreeBSD-src-bab004e7294b9a4e8172382b0cb3c56e712c7dee.zip FreeBSD-src-bab004e7294b9a4e8172382b0cb3c56e712c7dee.tar.gz | |
Add a readahead heuristic to the NFS server side code. While the server
cannot unilaterally pass data to a client it can reduce the physical
disk transaction overhead by reading larger blocks. This results in
better pipelining of requests/responses over the network and an almost
100% increase in cpu efficiency on the server. On a 100BaseTX network
NFS read performance increases from 8.5 MBytes/sec to 10 MB/sec (maxed
out), and cpu efficiency increases from 72% idle to 80% idle on the server.
Reviewed by: Alfred Perlstein <bright@wintelcom.net>
Diffstat (limited to 'UPDATING')
0 files changed, 0 insertions, 0 deletions
