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by Tyrannosaur 821 days ago
It's possible you were seeing another problem, but this issue is more likely to appear with a faster network connection, because the network transfer happens faster than the disk writes.

You can confirm by watching /proc/meminfo and watching the Dirty and Writeback numbers.

Changing up the vm.dirty* settings can help as described here:

https://lonesysadmin.net/2013/12/22/better-linux-disk-cachin...