IBM Spectrum Scale Sharing Nothing Cluster performance tuning guide has been posted and please refer to
link before you doing the below change.
A restart of IBM Spectrum Scale will be needed to bring into effect any configuration option changes that do not successfully complete with the '-i' (immediate) option to mmchconfig (e.g. changing minMissedPingTimeout requires a restart).
The following configurations can be changed by using 'mmchconfig' as per the needs of the system workload:

