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Some stats using rsync vs using tar on a file system with big files .... Server is a FreeBSD 6.2 box, 2.93Ghz Celeron with 768MB Ram., RAID10 on a 3ware 9500Scontroller. client is a Mac pro dual/dual xeon 2.66 6GB ram source drive 94GB of media files average file size 10MB on a 250GB SATA-300 drive. network switched gig-e tar (baseline) 10.7 MB/sec rsync 1st - 5.63 MB/sec (writing data on server) rsync 2nd - 10.27 MB/sec (reading data for rsync checksum compare but checksum cache not yet written) rsync 3rd - 35.20 MB/sec (rsync with server side checksums in cache) On all runs CPU was not the limiting factor. rsync is a big win with large files on machines with enough memory and CPU. |
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