openafs/doc/txt/winnotes/performance.txt
Jeffrey Altman 0b90d69f8a windows-pcache-20050310
This patch applies all of the work done to add persistent cache support,
cache manager debugging, and a variety of bug fixes.  A full description
will be committed within doc/txt/winnotes as part of a later commit.
2005-03-11 05:33:12 +00:00

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argos.mit.edu with 1.3.73 client
171,194,368 byte file. "fs flush" before each command
200mb cache; No MaxMTU
write/crypt 2.793 MB/sec
read/crypt 2.897 MB/sec
write/clear 7.123 MB/sec
read/clear 5.991 MB/sec
1.2.10(skyrope)
write/crypt: 1.836 MB/sec
read/crypt: 1.497 MB/sec
write/clear: 2.927 MB/sec
read/clear: 2.065 MB/sec
1.2.10 1.3.73 improvement
------------ ------------ -----------
write/crypt 1.836 MB/sec 2.793 MB/sec 52.1%
read/crypt 1.497 MB/sec 2.897 MB/sec 93.5%
write/clear 2.927 MB/sec 7.123 MB/sec 143.4%
read/clear 2.065 MB/sec 5.991 MB/sec 190.1%
mitz@ANDREW.CMU.EDU tested the 1.3.73 client on his machine
against his cell copying a 367181824 byte file. "fs flush"
was run prior to each command.
Default MaxMTU; Default cache
write/crypt: 4.158 MB/sec
read/crypt: 5.730 MB/sec
write/clear: 4.537 MB/sec
read/clear: 16.762 MB/sec
Changing the cache size made no difference
No MaxMTU; 400MB cache
write/crypt: 4.863 MB/sec
read/crypt: 6.083 MB/sec
write/clear: 14.286 MB/sec
read/clear: 16.257 MB/sec
From Andrew Linux with 1.2.10 on the same machine:
write/crypt: 5.358 MB/sec
read/crypt: 12.855 MB/sec
write/crypt 18.040 MB/sec (unique file names)
read/crypt 23.160 MB/sec (unique file names)
write/clear: 16.401 MB/sec
read/clear: 25.192 MB/sec