Does #rsync usually vary very much in transfer speeds when transferring files? Moved some files today and transfer speed varied from 1 Mb/s to 110 Mb/s with very random sudden drops in speed.
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Yeah I figured it could have something to do with the compression flag. It's a pretty beefy CPU on the remote machine though so wouldn't think that would be a bottleneck..
Any way to see if this happens?
The old days I'd run a ping from one device to the other and just leave it running and look and see if I was getting packet errors which correlated with the drops in throughput
Another thing which can cause dramatic drops in transfer rate is when the file system memory cache on the receiving machine fills up and it starts having to go to the hardware device with all the writes instead of just filling memory. A `vmstat 5` running on the receiving end will show that ...