[TriLUG] copying files

[Joseph Mack NA3T]

On Fri, 22 Jun 2012, Alexey Toptygin wrote:

> Latency. Running find locally does all the readdirs and 
> stats locally and _then_ ships bulk result data over the 
> wire in big chunks. If you do the find over sshfs, find 
> first does a readdir and it takes 1 RTT to get that data 
> back, then it does a stat and it akes 1 RTT to get that 
> data back. If you do a find on n files, it should take 2 * 
> n * RTT longer over sshfs than locally.

oh. I completely missed that. Thank you for straightening me 
out.

I take it then that I was calculating the time for find on 
an sshfs filesystem from a machine on the local network.

Thanks Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
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