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From: Charles Alexander <charlesalexander@gmail.com>
Date: Fri, 13 Jan 2017 22:56:53 -0500
Message-ID: <CAO0s8tt+g_LqPOSFboi6zFa9Ur_URFOgmaA=vHPUwOkR_P9LYQ@mail.gmail.com>
Subject: Re: Svn.exe for windows very slow on high ping connections
To: users@subversion.apache.org
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archived-at: Mon, 16 Jan 2017 08:18:37 -0000

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One other thing: I also tried with and without Nagle's algorithm in the
PuTTY profile.

On Fri, Jan 13, 2017 at 10:49 PM, Charles Alexander <
charlesalexander@gmail.com> wrote:

> I'm using svn.exe (1.9.5), connecting through svn+ssh using Plink.
>
> For a nearby DigitalOcean server (in New York, 60ms ping), I get checkouts
> and commits at hundreds of KB/s.  But I am collaborating with someone from
> Australia and he was getting really slow checkouts and commits to the
> server.
>
> After lots of troubleshooting, I couldn't find anything that would speed
> it up for him.  I tried making a digital ocean server in Singapore to see
> if it would be fast for him, and still be fast for me.  While it is faster
> for him, I ended up seeing the same exact poor speeds he was seeing.
>
> The Singapore test server has a 280ms ping for me.  My checkouts go at
> almost exactly 60KB/s.
>
> However, if I checkout from a linux VM on my same machine, through the
> same internet, using the linux svn client, I get hundreds of KB/s even to
> Singapore.
>
> Worried it might be an issue with Plink/PuTTY, I tried copying a large
> file with PuTTY's pscp.exe, and it goes at around 3400 KB/s, without
> compression.
>
>
> Anyone have any ideas on what could be causing the slow down?  A checkout
> of the same exact repository from the New York server goes around ten times
> faster.  And a checkout from a linux VM on the same desktop I am running
> svn.exe from went about the same, even to the Singapore server. Everything
> also goes slow when I use TortoiseSVN and not the commandline.
>
> Let me know if there is any more information I can provide to help track
> this down.
>
> Thanks,
> Charles Alexander
>
>

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<div dir=3D"ltr">One other thing: I also tried with and without Nagle&#39;s=
 algorithm in the PuTTY profile.</div><div class=3D"gmail_extra"><br><div c=
lass=3D"gmail_quote">On Fri, Jan 13, 2017 at 10:49 PM, Charles Alexander <s=
pan dir=3D"ltr">&lt;<a href=3D"mailto:charlesalexander@gmail.com" target=3D=
"_blank">charlesalexander@gmail.com</a>&gt;</span> wrote:<br><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;p=
adding-left:1ex"><div dir=3D"ltr">I&#39;m using svn.exe (1.9.5), connecting=
 through svn+ssh using Plink.<div><br></div><div>For a nearby DigitalOcean =
server (in New York, 60ms ping), I get checkouts and commits at hundreds of=
 KB/s.=C2=A0 But I am collaborating with someone from Australia and he was =
getting really slow checkouts and commits to the server.</div><div><br></di=
v><div>After lots of troubleshooting, I couldn&#39;t find anything that wou=
ld speed it up for him.=C2=A0 I tried making a digital ocean server in Sing=
apore to see if it would be fast for him, and still be fast for me.=C2=A0 W=
hile it is faster for him, I ended up seeing the same exact poor speeds he =
was seeing.</div><div><br></div><div>The Singapore test server has a 280ms =
ping for me.=C2=A0 My checkouts go at almost exactly 60KB/s.<br></div><div>=
<br></div><div>However, if I checkout from a linux VM on my same machine, t=
hrough the same internet, using the linux svn client, I get hundreds of KB/=
s even to Singapore.</div><div><br></div><div>Worried it might be an issue =
with Plink/PuTTY, I tried copying a large file with PuTTY&#39;s pscp.exe, a=
nd it goes at around 3400 KB/s, without compression.</div><div><br></div><d=
iv><br></div><div>Anyone have any ideas on what could be causing the slow d=
own?=C2=A0 A checkout of the same exact repository from the New York server=
 goes around ten times faster.=C2=A0 And a checkout from a linux VM on the =
same desktop I am running svn.exe from went about the same, even to the Sin=
gapore server. Everything also goes slow when I use TortoiseSVN and not the=
 commandline.</div><div><br></div><div>Let me know if there is any more inf=
ormation I can provide to help track this down.</div><div><br></div><div>Th=
anks,</div><div>Charles Alexander</div><div><br></div></div>
</blockquote></div><br></div>

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