NFS Performance Tuning for HP-UX 11.0 and 11i Systems

nfs performance tuning for hp-ux 11.0 and 11i systems page 125

Notes:

Page 125July 22, 2002

• Number of daemons and threads

• Automounter command-line options

• Will CacheFS benefit you?

• When to use PV2 vs. PV3

• When to use UDP vs. TCP

• Which NFS Mount Options to Use

and which to Avoid if possible

• Buffer Cache Sizing

• syncer(1M) Tuning on NFS Servers

• Kernel Tunable Parameters

Sanity Check your NFS Environment

• Verify Network Performance

• Verify Local Filesystems Performance

• Keep Current on Patches

• Verify Hostname Resolution Speed

and Accuracy of Data

summary of

recommendations

Remember that any suggestions made in this presentation are merely those –

suggestions to begin testing with. There is not one “golden” set of tuning

parameters and configuration settings that will work optimally in every customer’s

NFS environment. Only through testing and experimentation can you identify the

settings that provide the best NFS performance for your specific mix of

applications.