Issue In order to handle certain race conditions which can result in client I/O failing, NFSv4.1 serializes the open and close requests from the same client and owner. This causes perfomance degradati...Issue In order to handle certain race conditions which can result in client I/O failing, NFSv4.1 serializes the open and close requests from the same client and owner. This causes perfomance degradation for metadata centric workloads.