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performance-tuning.md

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Performance tuning

The NFS server itself requires very little tuning; out-of-the-box it's blazingly fast even under high loads. You'll find that most performance gains will come from setting both the appropriate mount options in your clients as well as the right export options on your shared filesystems.

That said, the following tips might improve your NFS server's performance.

  • Set the NFS_SERVER_THREAD_COUNT environment variable to control how many server threads rpc.nfsd will use. A good minimum is one thread per CPU core, but 4 or 8 threads per core is probably better. The default is one thread per CPU core.

  • Running the container with --network host might improve network performance by 10% - 20% on a heavily-loaded server [1,2], though this hasn't been tested.