Hello!
My NFS server has the following stats:
top -d 5
============================================
00:38:21 up 449 days, 31 min, 2 users, load average: 3.89, 3.94, 4.04
143 processes: 142 sleeping, 1 running, 0 zombie, 0 stopped
CPU0 states: 19.2% user 4.3% system 0.0% nice 0.0% iowait 75.4% idle
CPU1 states: 15.0% user 2.3% system 0.0% nice 0.0% iowait 82.0% idle
CPU2 states: 23.2% user 4.3% system 0.0% nice 0.0% iowait 71.4% idle
CPU3 states: 12.0% user 2.2% system 0.0% nice 0.0% iowait 85.2% idle
Mem: 3355136k av, 3210212k used, 144924k free, 0k shrd, 141920k buff
1011360k active, 926060k inactive
Swap: 8184188k av, 230756k used, 7953432k free 1652008k cached
iostat
============================================
Linux 2.4.31
avg-cpu: %user %nice %sys %idle
66.75 0.03 20.18 13.05
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 607.43 95.16 114.58 626487552 754282354
dev8-1 28.92 230.62 182.00 1518207266 1198153062
cat /proc/net/rpc/nfsd
============================================
rc 2126161 488150588 1889246958
fh 288957 2463330121 0 135034 364483
io 2185592286 1281658699
th 8 152389353 957530.010 223376.040 843529.850 0.000 671914.750
520625.610 399462.450 304515.480 0.000 830962.390
ra 16 132542108 407104 72151 88010 34713 54685 46379 22455 47001 24140 89627147
net -1915443474 852923647 1526600175 27092
rpc -1915443589 115 115 0 0
proc2 18 139 866802296 74334343 0 799082289 1 222966486 0 243460468
58134635 56119993 53173221 0 0 119968 3 4934118 395747
[
cat /etc/fstab (SERVER)
============================================
/dev/sda2 /home ext3 defaults 1 2
cat /etc/fstab (CLIENT)
============================================
xxxx nfs rsize=32768,wsize=32768,bg,intr 0 0
The box is a dual Intel Xeon (HT enabled) 3.0Ghz, 4GB RAM server,
traffic is considered quite heavy at busy
hours (in general, around 7-10GB traffic per day), but...is the above
stats look normal?
Finally thought: Is it important to mount the partition using noatime?
If yes, how many % gain?
Thanks....
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