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Date:      Tue, 9 Feb 2016 10:09:51 +0530
From:      Venkateswara Rao Dokku <dvrao.584@gmail.com>
To:        freebsd-drivers@freebsd.org
Subject:   SCP issue on FreeBSD
Message-ID:  <CACiOAODLd3=K6qsEE__=QaZQmvQZ_i8-4mOsR3FzM5BzzQRC_A@mail.gmail.com>

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Hi,

I am using FreeBSD 8.4 as guest on top of the linux (ubuntu 14.10) host. I
observed that, the Pushing a file from FreeBSD is giving good performance
over Puling a file from other linux box to FreeBSD.

root@test:~ # *scp ns-10.5-57.7.gz root@10.102.38.202:/root*
root@10.102.38.202's password:
ns-10.5-57.7.gz                                                      100%
 126MB  *63.0MB/s*   00:02
root@test:~ #* scp root@10.102.38.202:/root/ns-10.5-57.7.gz* .
root@10.102.38.202's password:
ns-10.5-57.7.gz                                                      100%
 126MB  *11.5MB/s*   00:11

Why there is a difference between these two?. Any tuning needs to be done
on the FreeBSD guest to get these two almost same?

To see, whether its specific to FreeBSD I did the same experiment with
Linux(Ubuntu 14.10) as guest on top of Linux(same host as above). Here the
output is almost same.

root@ubuntu:~# *scp root@10.102.38.202:/root/ns-11.1-14.4.gz .*
root@10.102.38.202's password:
ns-11.1-14.4.gz                                                        100%
 130MB  *64.8MB/s*   00:02
root@ubuntu:~# *scp ns-11.1-14.4.gz root@10.102.38.202:/roo*t
root@10.102.38.202's password:
ns-11.1-14.4.gz
100%  130MB  *64.8MB/s*   00:02


Moreover, in most cases Linux performance is better than FreeBSD. Is Ubuntu
gives good performance when compared to FreeBSD?

Any help is much appreciated.
Thanks.
-- 
Thanks & Regards,
Venkateswara Rao Dokku.



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