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by dsr_
1418 days ago
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No, it doesn't. It takes exactly the time that it takes, bottlenecked by: * your disk read speed on one end and write speed on the other, modulo compression * the network bandwidth between points A and B, modulo compression * the size of the data you are sending So, if you have a 10GB database that you send over a 10Gb/s link to the other side of the datacenter, it might be as little as 10 seconds. If you have a 10TB database that you send over a nominally 1GB/s link but actually there's a lot of congestion from other users, to a datacenter on the other side of the world, that might take a hundred hours or so. rsync can help a lot here, or the ZFS differential snapshot send. |
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