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C. Transferring Large Files > File Copy Benchmarks

File Copy Benchmarks

For the sake of comparison, Table C-1 shows how quickly we were able to copy a sample file over a standard 100 Mbps Ethernet link on a LAN. The file was 738 MB uncompressed and compressed to 100 MB with gzip’s default options. The source and destination machines had plenty of available memory, CPU resources, and disk capacity; the network was the bottleneck.

Table C-1. Benchmarks for copying files across a network

Method

Time (seconds)

rsync without compression

71

scp without compression

68

nc without compression

67

rsync with compression (-z)

63

gzip, scp, and gunzip

60 (44 + 10 + 6)

ssh with compression


  

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