[193768] in North American Network Operators' Group
Re: Any Github Experts online ?
daemon@ATHENA.MIT.EDU (Yucong Sun)
Thu Feb 23 04:54:28 2017
X-Original-To: nanog@nanog.org
In-Reply-To: <eac4182793133477102a53d78be35ef5.squirrel@66.201.44.180>
From: Yucong Sun <sunyucong@gmail.com>
Date: Thu, 23 Feb 2017 07:48:20 +0800
To: bob@fiberinternetcenter.com
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
use GIT_CURL_VERBOSE=1 GIT_TRACE=1 git <command> will print out full
trace. you can also try other environment variables from
https://git-scm.com/book/tr/v2/Git-Internals-Environment-Variables
In my experiences, this is usually caused by MTU discovery issue.
On Thu, Feb 23, 2017 at 7:40 AM, Bob Evans <bob@fiberinternetcenter.com> wrote:
> Hello NANOGers,
>
> I have one customer that claims that 2 out of 17 downloads using the git
> command on github's service are slow and poor on our network when compared
> to others.
>
> However, when not using the git command , but using a simple web page link
> to a large zipped file from github, its always nice and fast. Using the
> git command 8% of the time being slow is unacceptable. Github just doesnt
> responds lethargically at best. BTW, have you seen how many hex digits a
> github ticket number is ?
>
> Of course Github says try a different ISP...Customer tries to tell me
> comcast is better ! What ! I dont believe it. No help from Github NOC - we
> have asked and asked... And we peer with Github and for some reason they
> do not transmit the Prefixes of the IP range that the customer uses for
> the git command. github.com resolve IPv4 is not in the prefix list. So
> the exit is transits.
>
> I need more clues. Is it the resources the git command uses when checking
> files for dates etc ?
>
> Thank You
> Bob Evans
> CTO
>
>
>
>
>
>
