From owner-freebsd-drivers@freebsd.org Tue Feb 16 04:43:23 2016 Return-Path: Delivered-To: freebsd-drivers@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 746A6AA9E96; Tue, 16 Feb 2016 04:43:23 +0000 (UTC) (envelope-from dvrao.584@gmail.com) Received: from mail-ob0-x232.google.com (mail-ob0-x232.google.com [IPv6:2607:f8b0:4003:c01::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3BB291994; Tue, 16 Feb 2016 04:43:23 +0000 (UTC) (envelope-from dvrao.584@gmail.com) Received: by mail-ob0-x232.google.com with SMTP id wb13so242239183obb.1; Mon, 15 Feb 2016 20:43:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=UkD4P7LBi5ou9kX6vQ1BlESphNA2rSQjlJKiJRdlB1Y=; b=fbhidiGlgtZMjUTqwwChuiou/h6njSxZ+cTqENe0WmEybesjBzpzSr07228c769LgD s6/iflmZSXGYO4oISuum4i87nJVmi0MwYrWoiVVFaHGQ9aOan8Ir+21HXtNmngu3UNjE IJZTMdrH/fYlpR0JmBIsW4SycveBhGaFEti9RrRYSa35HZmXTrnjlMJvX0zEGhzjguNl wuVOY1LHOVWHWOiNu2UkIWYt4CjcC06P/BXjwiaVZMY60JEmrUwkiVOPtTyLwgJITxV+ s6K3O8Ch4mBXxBZQ0RHjtI4/upt6XgL40FoOEgLXXnVJ9kOCDMCP1ndkKwuG3bIKfhNo I3dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=UkD4P7LBi5ou9kX6vQ1BlESphNA2rSQjlJKiJRdlB1Y=; b=GSr2/lEe4Q8XkTyTgjrx770OpfRlzHVva4No7fjnr8+iia+lGnQOml4xfxy7EbnVP4 4tjSmjZK4FPFPvT2DMIGXSH+wTCL9eUhhNK/gkJruqNP02P5kKKyHPXl/oafxHkpyqBE sk5Ca4SsCfXNTXHT/yJuT/SLPWPCE8HDRKjXveosRiPffPtKGb8LKIc4eZCW8ADnQEIZ zkgD/bgwspz84UgVhMuZ/FK/9oLx0fKaa8GARGVCMF30yrqyN+rIvG5csfuwmLJ2L1/F 5Ylha93VeH2Orpli9Dbn3g/4gvVRe9SzHH17UfOCSNDa114sNttOQa5F6z/JnZ0Ch1ZB 5kiw== X-Gm-Message-State: AG10YOQfN6SqNAvmgi42cyhbWrFsKhyyIjYjkkXtes8p53FLE+BsvaXN7RGJ7eQunTgcXjnQijBzOgXRXuyXJw== MIME-Version: 1.0 X-Received: by 10.60.62.243 with SMTP id b19mr15345965oes.28.1455597802288; Mon, 15 Feb 2016 20:43:22 -0800 (PST) Received: by 10.60.96.3 with HTTP; Mon, 15 Feb 2016 20:43:22 -0800 (PST) In-Reply-To: <686449bd2840e86a391cc6f4771c3403@mam.nameserver.sk> References: <686449bd2840e86a391cc6f4771c3403@mam.nameserver.sk> Date: Tue, 16 Feb 2016 10:13:22 +0530 Message-ID: Subject: Re: SCP issue on FreeBSD From: Venkateswara Rao Dokku To: Juraj Bocinec Cc: freebsd-drivers@freebsd.org, owner-freebsd-drivers@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-drivers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Writing device drivers for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Feb 2016 04:43:23 -0000 I dont think that is causing the problem. I have the send/receive buffers equal on my system. On Wed, Feb 10, 2016 at 12:41 AM, Juraj Bocinec wrote: > Greetings, i'm no expert but doesn't this have to do something with > network send/receive buffers? They're not set the same by default: > > [root@schizo /etc]# sysctl -a|grep send > kern.cam.ada.ada_send_ordered: 1 > kern.cam.da.da_send_ordered: 1 > net.local.stream.sendspace: 8192 > net.inet.ip.sendsourcequench: 0 > net.inet.igmp.sendlocal: 1 > net.inet.igmp.sendra: 1 > net.inet.tcp.sendspace: 32768 > net.inet.tcp.sendbuf_max: 262144 > net.inet.tcp.sendbuf_inc: 8192 > net.inet.tcp.sendbuf_auto: 1 > net.inet.sctp.sendspace: 233016 > net.raw.sendspace: 8192 > [root@schizo /etc]# sysctl -a|grep recv > net.local.stream.recvspace: 8192 > net.local.dgram.recvspace: 4096 > net.inet.igmp.recvifkludge: 1 > net.inet.tcp.recvspace: 65536 > net.inet.tcp.recvbuf_max: 262144 > net.inet.tcp.recvbuf_inc: 16384 > net.inet.tcp.recvbuf_auto: 1 > net.inet.udp.recvspace: 42080 > net.inet.sctp.recvspace: 233016 > net.inet.raw.recvspace: 9216 > net.raw.recvspace: 8192 > > Juraj Bocinec > > On 2016-02-09 05:39, Venkateswara Rao Dokku wrote: > >> 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. From owner-freebsd-drivers@freebsd.org Tue Feb 16 04:43:57 2016 Return-Path: Delivered-To: freebsd-drivers@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 5A600AA9F21; Tue, 16 Feb 2016 04:43:57 +0000 (UTC) (envelope-from dvrao.584@gmail.com) Received: from mail-ob0-x231.google.com (mail-ob0-x231.google.com [IPv6:2607:f8b0:4003:c01::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1F46619D7; Tue, 16 Feb 2016 04:43:57 +0000 (UTC) (envelope-from dvrao.584@gmail.com) Received: by mail-ob0-x231.google.com with SMTP id jq7so57099771obb.0; Mon, 15 Feb 2016 20:43:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=35tUG6fFQdVc7JyKZelSUF5qKPLw/aFEuQCQNOrR8F8=; b=btmO44Pj1oVlF7+LSjyL8UV5piPHr3f/9blEpJt8CGZc3RTfbGNF9zZ9AHnFW2Kloe zEr96Ziv8er2t4e/jH+N6dBPUxVIj2I5kNswytKOY9XEkI7IPqBwRDRSQaoE18U18x/E iXFYLzf0r47MuFyoZHb82LKCBNBFjPM+KmQrMA+0AjT7VsBBI2mZBZfRn4d3dnPhgWWy 205JS0l7ILvstfXGfF8hl50eJq82kuPxZr155ynQZ8Ggz2rkeUeoneos3C+UbkAKP6mP Onoky+vvKA2nZ0JssCR3lRg4iZ+wIncgv76M8BbDhSTOHPOpz434yAfW3i7qs5nGjRZ8 mPMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=35tUG6fFQdVc7JyKZelSUF5qKPLw/aFEuQCQNOrR8F8=; b=YmMViO+DRBAFM6Au1xTLXcoDQ0WwG5w+1E26tpx7vCi3XpRDEKivgGeMq+CKsWAYCM zELrwwP1+3MoBGthlfjJRg6s4aRjN8axc92ugccu+HH4XhmDcnyGxw8QNd8mBelm1cBB HLx9trj2Q4ysY7xkLsblckhfkyMDBkgmlvBTDZraPF6KwblqzrPj1/gMxlHiCXOsyHrd 3xXEhLI0LVNLJv3Ak2HyHO+nmpkCsNf4w69Grt+SxsxTOFd1PY3PaKWdTEgbWS9utyYb CuAJFexHku7Lr0al6CmLUbL3Sk/TunLXqrpJHdKhDun3D/yXB3KaKP6wry967tGcnJOk CnAw== X-Gm-Message-State: AG10YOT9t+qglMse8pPxiBQrBVB6sXohgi5mPEyl84I5KUAUrOtA/An3XEyPI2hiFeVIfhkpvoLcZ0QoPXU+hA== MIME-Version: 1.0 X-Received: by 10.182.20.98 with SMTP id m2mr14834402obe.61.1455597836483; Mon, 15 Feb 2016 20:43:56 -0800 (PST) Received: by 10.60.96.3 with HTTP; Mon, 15 Feb 2016 20:43:56 -0800 (PST) In-Reply-To: References: <686449bd2840e86a391cc6f4771c3403@mam.nameserver.sk> Date: Tue, 16 Feb 2016 10:13:56 +0530 Message-ID: Subject: Re: SCP issue on FreeBSD From: Venkateswara Rao Dokku To: Juraj Bocinec Cc: freebsd-drivers@freebsd.org, owner-freebsd-drivers@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-drivers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Writing device drivers for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Feb 2016 04:43:57 -0000 root@test:~ # sysctl -a | grep send kern.cam.ada.send_ordered: 1 kern.cam.da.send_ordered: 1 net.local.stream.sendspace: 8192 net.inet.ip.sendsourcequench: 0 net.inet.igmp.sendlocal: 1 net.inet.igmp.sendra: 1 net.inet.tcp.sendspace: 65536 net.inet.tcp.sendbuf_max: 262144 net.inet.tcp.sendbuf_inc: 16384 net.inet.tcp.sendbuf_auto: 1 net.inet.sctp.sendspace: 233016 net.raw.sendspace: 8192 root@test:~ # sysctl -a | grep recv net.local.stream.recvspace: 8192 net.local.dgram.recvspace: 4096 net.inet.igmp.recvifkludge: 1 net.inet.tcp.recvspace: 65536 net.inet.tcp.recvbuf_max: 262144 net.inet.tcp.recvbuf_inc: 16384 net.inet.tcp.recvbuf_auto: 1 net.inet.udp.recvspace: 42080 net.inet.sctp.recvspace: 233016 net.inet.raw.recvspace: 9216 net.raw.recvspace: 8192 net.wlan.recv_bar: 1 hw.cs.recv_delay: 570 On Tue, Feb 16, 2016 at 10:13 AM, Venkateswara Rao Dokku < dvrao.584@gmail.com> wrote: > I dont think that is causing the problem. > I have the send/receive buffers equal on my system. > > > On Wed, Feb 10, 2016 at 12:41 AM, Juraj Bocinec > wrote: > >> Greetings, i'm no expert but doesn't this have to do something with >> network send/receive buffers? They're not set the same by default: >> >> [root@schizo /etc]# sysctl -a|grep send >> kern.cam.ada.ada_send_ordered: 1 >> kern.cam.da.da_send_ordered: 1 >> net.local.stream.sendspace: 8192 >> net.inet.ip.sendsourcequench: 0 >> net.inet.igmp.sendlocal: 1 >> net.inet.igmp.sendra: 1 >> net.inet.tcp.sendspace: 32768 >> net.inet.tcp.sendbuf_max: 262144 >> net.inet.tcp.sendbuf_inc: 8192 >> net.inet.tcp.sendbuf_auto: 1 >> net.inet.sctp.sendspace: 233016 >> net.raw.sendspace: 8192 >> [root@schizo /etc]# sysctl -a|grep recv >> net.local.stream.recvspace: 8192 >> net.local.dgram.recvspace: 4096 >> net.inet.igmp.recvifkludge: 1 >> net.inet.tcp.recvspace: 65536 >> net.inet.tcp.recvbuf_max: 262144 >> net.inet.tcp.recvbuf_inc: 16384 >> net.inet.tcp.recvbuf_auto: 1 >> net.inet.udp.recvspace: 42080 >> net.inet.sctp.recvspace: 233016 >> net.inet.raw.recvspace: 9216 >> net.raw.recvspace: 8192 >> >> Juraj Bocinec >> >> On 2016-02-09 05:39, Venkateswara Rao Dokku wrote: >> >>> 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. > > -- Thanks & Regards, Venkateswara Rao Dokku. From owner-freebsd-drivers@freebsd.org Wed Feb 17 05:13:18 2016 Return-Path: Delivered-To: freebsd-drivers@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 35589AAB889; Wed, 17 Feb 2016 05:13:18 +0000 (UTC) (envelope-from dvrao.584@gmail.com) Received: from mail-io0-x22c.google.com (mail-io0-x22c.google.com [IPv6:2607:f8b0:4001:c06::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id F2EB5159C; Wed, 17 Feb 2016 05:13:17 +0000 (UTC) (envelope-from dvrao.584@gmail.com) Received: by mail-io0-x22c.google.com with SMTP id g203so23842088iof.2; Tue, 16 Feb 2016 21:13:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=CM0uuKGH7sQEUd+IQxFK0ZhEdApFDNDknZT17YOUGi8=; b=cLDqdKWFpMXcGE7psVtHS29vx5XQ6uxlrykhI53il28a7GkaJW6G4Cyz7Yznc8qIGr EWociaCmm/ZuxRVt4txt/3S6RM5RHRlaCVcHTZQOdcHcitJdZVnC2cSOsVeQBGE5MjgD QbZiIvg7+WKqWui3DqgsF2rHhbo/k64PrMwx+CvHlUlAOAntpQA452F4NVE79ZFck67v unllD4ulwwqqIraSK4JkoMC+r84Wov+8CSYvOeQZvGSSNBEsYR/sWjJFiYQGDD1JbO0D PCewQrQy87hK4b7oFJzUuU8xMNtFDQm1tPDOReUNbK715FhY74sSzLVd9485iimXDj2X 2bOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=CM0uuKGH7sQEUd+IQxFK0ZhEdApFDNDknZT17YOUGi8=; b=geqYRokyNSv1nSH9U8aCzEBgoxjrEyyDCBG/cGg8glzUIX7G984QoHZiOfV7DCebdk CiXmdAvXjTlLaFufNEh8x2DCvYjcDvYWmT4gADIeZow2vBCA/HEa92/YT66v5glcKedC FK4Rdoerj9/4ty7Z1k1DPzfMEAhNYefBB7lHVLcGfQ23JDaVVW5wcRuXq9Ghe3svqqdV PDeWUvYP/Rx70q/5FN6oce7e4g7xqnNwXJhBBE58yT/mFPfFofLrZJx1QP0GjCNUc+bA EWp4Kv5daOenSqJ2kTsSDBmk3+eC2n1Jfi3cqtA9JWCd7fzP19mrz58T5MCTOG4tALT+ CwEw== X-Gm-Message-State: AG10YOQJsO37yFDh7ux+sRmBBsMHupIGwan/dl4RbZcATAoYy8vXdrUptB6UclEuLz8kRiOS8PBQaWA02W4p9A== MIME-Version: 1.0 X-Received: by 10.60.62.243 with SMTP id b19mr20015762oes.28.1455685997368; Tue, 16 Feb 2016 21:13:17 -0800 (PST) Received: by 10.60.96.3 with HTTP; Tue, 16 Feb 2016 21:13:17 -0800 (PST) In-Reply-To: References: <686449bd2840e86a391cc6f4771c3403@mam.nameserver.sk> Date: Wed, 17 Feb 2016 10:43:17 +0530 Message-ID: Subject: Re: SCP issue on FreeBSD From: Venkateswara Rao Dokku To: Juraj Bocinec Cc: freebsd-drivers@freebsd.org, owner-freebsd-drivers@freebsd.org, freebsd-cloud@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-drivers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Writing device drivers for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Feb 2016 05:13:18 -0000 This beahavior is only seen on the FreeBSD guest which is running on KVM. When we run the same guest on Xen, ESX hypervisors the issue is not seen. Is there any issue with FreeBSD + VirtIO combined? Any help is much appreciated. On Tue, Feb 16, 2016 at 10:13 AM, Venkateswara Rao Dokku < dvrao.584@gmail.com> wrote: > root@test:~ # sysctl -a | grep send > kern.cam.ada.send_ordered: 1 > kern.cam.da.send_ordered: 1 > net.local.stream.sendspace: 8192 > net.inet.ip.sendsourcequench: 0 > net.inet.igmp.sendlocal: 1 > net.inet.igmp.sendra: 1 > net.inet.tcp.sendspace: 65536 > net.inet.tcp.sendbuf_max: 262144 > net.inet.tcp.sendbuf_inc: 16384 > net.inet.tcp.sendbuf_auto: 1 > net.inet.sctp.sendspace: 233016 > net.raw.sendspace: 8192 > root@test:~ # sysctl -a | grep recv > net.local.stream.recvspace: 8192 > net.local.dgram.recvspace: 4096 > net.inet.igmp.recvifkludge: 1 > net.inet.tcp.recvspace: 65536 > net.inet.tcp.recvbuf_max: 262144 > net.inet.tcp.recvbuf_inc: 16384 > net.inet.tcp.recvbuf_auto: 1 > net.inet.udp.recvspace: 42080 > net.inet.sctp.recvspace: 233016 > net.inet.raw.recvspace: 9216 > net.raw.recvspace: 8192 > net.wlan.recv_bar: 1 > hw.cs.recv_delay: 570 > > On Tue, Feb 16, 2016 at 10:13 AM, Venkateswara Rao Dokku < > dvrao.584@gmail.com> wrote: > >> I dont think that is causing the problem. >> I have the send/receive buffers equal on my system. >> >> >> On Wed, Feb 10, 2016 at 12:41 AM, Juraj Bocinec >> wrote: >> >>> Greetings, i'm no expert but doesn't this have to do something with >>> network send/receive buffers? They're not set the same by default: >>> >>> [root@schizo /etc]# sysctl -a|grep send >>> kern.cam.ada.ada_send_ordered: 1 >>> kern.cam.da.da_send_ordered: 1 >>> net.local.stream.sendspace: 8192 >>> net.inet.ip.sendsourcequench: 0 >>> net.inet.igmp.sendlocal: 1 >>> net.inet.igmp.sendra: 1 >>> net.inet.tcp.sendspace: 32768 >>> net.inet.tcp.sendbuf_max: 262144 >>> net.inet.tcp.sendbuf_inc: 8192 >>> net.inet.tcp.sendbuf_auto: 1 >>> net.inet.sctp.sendspace: 233016 >>> net.raw.sendspace: 8192 >>> [root@schizo /etc]# sysctl -a|grep recv >>> net.local.stream.recvspace: 8192 >>> net.local.dgram.recvspace: 4096 >>> net.inet.igmp.recvifkludge: 1 >>> net.inet.tcp.recvspace: 65536 >>> net.inet.tcp.recvbuf_max: 262144 >>> net.inet.tcp.recvbuf_inc: 16384 >>> net.inet.tcp.recvbuf_auto: 1 >>> net.inet.udp.recvspace: 42080 >>> net.inet.sctp.recvspace: 233016 >>> net.inet.raw.recvspace: 9216 >>> net.raw.recvspace: 8192 >>> >>> Juraj Bocinec >>> >>> On 2016-02-09 05:39, Venkateswara Rao Dokku wrote: >>> >>>> 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. >> >> > > > -- > Thanks & Regards, > Venkateswara Rao Dokku. > > -- Thanks & Regards, Venkateswara Rao Dokku. 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