NFS V4 Performance enhancements
reduced overhead
- compound statements
- multicomponent lookup
client side caching
- persistent
- w/ strong semantics
- locks
- share reservation
- delegation
locks are leased
- on request by client
- byte range locks, like V2/V3
- mandatory, unlike V2/V3 (advisory)
- for defined lease time
- can be renewed
- expiry considered failure