From owner-freebsd-net@freebsd.org Wed Sep 28 10:48:25 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 81BB1C003F4 for ; Wed, 28 Sep 2016 10:48:25 +0000 (UTC) (envelope-from achill@matrix.gatewaynet.com) Received: from smadev.internal.net (host3.dynacom.ondsl.gr [62.103.35.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smadev.internal.net", Issuer "smadev.internal.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 71A1B1604 for ; Wed, 28 Sep 2016 10:48:23 +0000 (UTC) (envelope-from achill@matrix.gatewaynet.com) Received: from smadev.internal.net (smadev [10.9.200.131]) by smadev.internal.net (8.15.2/8.15.2) with ESMTP id u8SAQGKP008758; Wed, 28 Sep 2016 13:26:16 +0300 (EEST) (envelope-from achill@matrix.gatewaynet.com) To: freebsd-net@freebsd.org, Ilias Seperis From: Achilleas Mantzios Subject: Strange issue with scp performance Message-ID: <57EB9AC8.3050102@matrix.gatewaynet.com> Date: Wed, 28 Sep 2016 13:26:16 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Sep 2016 10:48:25 -0000 Hello list, We have a weird situation here. We just made a clone of a virtual image running Linux and sent it over to some could provider. The problem is that the scp performance to *many* hosts in our office center has worsened considerably, including one freebsd box. In this freebsd box I run also a jail, and a linux ubuntu image with bhyve. The crazy thing here is that : 1) scp from the original (local office center) linux image to the host FreeBSD, its jailed FreeBSD and its bhyve linux is 2.7 MB/s 2) scp from the cloud linux image to the host FreeBSD is slow (~300KB/s) 3) scp from the cloud linux image to the above FreeBSD's jail is slow(~300KB/s) 4) scp from the cloud linux image to the above FreeBSD's bhyve ubuntu is fast(~1->1.5MB/s) What can cause this behavior? PS Please answer to me directly as I am not subscribed to -net. Thanks a lot for any ideas. -- Achilleas Mantzios IT DEV Lead IT DEPT Dynacom Tankers Mgmt