The tests performed on the same equipment and networks using SPEC SFS NFS
benchmark testing. We have attempted to limit as many variables as we can.
Hardware:
- 4 Pentium III Xeon processors, 4GB ram
- 45 fibre channel drives, set up in hardware RAID 0/1
- 2 direct Gigabit Ethernet connections between SPEC SFS prime client and
system under test
- reiserfs
- all NFS filesystems exported with sync,no_wdelay to insure O_SYNC writes
to storage
- NFS v3 UDP
- LVM
2.4.7 kernel series
2.4.7 56%
2.4.7 (patches: reiserfs osync and Arjan's high memory patch) 81%
2.4.7 (patches: Mark Hemment's performance(NFS kernel lock) and
Arjan's high memory patch) 79%
2.4.7 (patches: Mark Hemment's performance(NFS kernel lock) and
reiserfs osync) 67%
2.4.9 kernel series
2.4.9-ac10 48%
2.4.9-ac13 40%
2.4.9-ac13 (patches: Rik's page aging) 40%
2.4.9-ac15 52%
2.4.9-ac15 (patches: Rik's page aging and launder patches) 57%
2.4.9-ac16 56%
2.4.10-pre4 20%
2.4.10-pre8 40%
2.4.10-pre10 28%
2.4.10-pre10aa1 25%
2.4.10-pre11 33%
2.4.10-pre12 27%
2.4.10-pre12 (patches: reiserfs performance patch) 20%
2.4.10-pre13 13%
2.4.10-pre13 (patches: Linus' allocate patch) 28%
2.4.10pre14 43%
2.4.10 kernel series
2.4.10 46%
2.4.10 (patches: Andrea's vmtweak) 62%
2.4.10(patches: Andrea's vmtweaks2) 62%
2.4.10-ac4 57%
2.4.11pre2 51%
2.4.11pre2 (patches: irq rewrite patch with default setting of
20000) 50%
2.4.11pre2 (patches: irq rewrite patch with setting of 10000) 50%
2.4.11pre2 (patches: irq rewrite patch with setting of 30000) 49%
2.4.11pre3aa1 50%
2.4.11pre6aa1 46%
2.4.11pre6aa1(patches: uses the older lvm instead.) 47%
2.4.12 kernel series
2.4.12 45%
2.4.13pre1 51%
2.4.12-ac2 54%
2.4.12-ac3 55%
Cary Dickens
Hewlett-Packard
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