NFS shares mounted into OpenShift containers are slow

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Issue

Performance of an application is good when running on my local machine, but the performance becomes unacceptable when mounted into a container in OpenShift
OCP containers experience extremely bad i/o read write speeds from our NFS shares
Please me what settings could be adjusted to improve NFS performance for the cluster.

Environment

Red Hat OpenShift Container Platform
- 3.5+

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