Managing NFS and KRPC Kernel Configurations in HP-UX 11i v3 (762807-001, March 2014)

Note: For overall performance improvement, HP
recommends you uniformly distribute interrupt lines from all
the network interface cards across the available CPUs on
the system. For details on how to configure interrupt lines,
see intctl (1M).
2.4.7 rpc_svc_preempt_enable
Description:
This tunable makes the nfsd thread to give up the CPU (voluntarily) after serving some requests and
allow other high priority threads to get a chance to run.
This tunable is disabled by default
We can enable the parameter, if nfsd thread does not voluntarily give up the CPU.
Tested Values:
Default: 0
Min: 0
Max: 1
2.4.8 rpc_svc_preempt_threshold
Description:
This tunable is to make the nfsd thread to give up the CPU(voluntarily) after serving some requests(8
minimum).
Tested Values:
Default: 8
Min : 8
Max :32
Note: This tunable is effective only when above
“rpc_svc_preempt_enable tunable” is enabled.
2.5 KLM Tunable
Table 2.5-1 lists the Kernel Lock Manager (KLM) tunable. The last column specifies which ONCplus
version first introduced the tunable.
Table 2.5-1 KLM Tunable