sftp needs a long time for sending a filelist

[Damien Miller]

On Mon, 21 Jul 2008, Markus Wünsch wrote:

> 
>    Hello all
>    Im using sftp 1:4.7p1-8ubuntu1.2
>    in a batchjob
>    Ive noticed that sftp needs a long time for sending a filelist.
>    The timespan increases exponential if many files are on the
>    remoteserver.
>    for example "ls -la *.txt" needs 10 seconds for 2000 files
>    but needs 50 seconds for 4000 files.
>    For 150.000 Files i have to wait 15 minutes for example
>    but the Conecction is very fast. I think the sftp-server needs this
>    time to
>    build the list.

I should also mention that there is a workaround: using "ls -1f" will
avoid the rountrip per filename.

-d