nfs vs. smb

350MB file on an Infrant ReadyNAS, copied to a generic Linux box. Same directory, same file, only difference is mounting over NFS vs. mounting over Samba:

$ time cp /mnt/nfs/file.bin .
real 0m2.662s
user 0m0.084s
sys 0m2.504s

$ time cp /mnt/smb/file.bin .
real 0m57.294s
user 0m0.008s
sys 0m0.452s

Update a few hours later: I think caching fooled me. A new test for a different file that is 321MB shows NFS at 10.9 seconds versus SMB's 49.6 seconds. Still an extreme difference, but no longer uncomfortably close (over 130MB/sec) to the theoretical maximum speed of a typical SATA hard drive.

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By Mike Tsao on August 18, 2008 1:02 PM | | Comments (0)

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