[webkit-dev] Git/SVN is slow

Thu Mar 15 10:54:09 PDT 2012

Well I was just about to follow up that from the east coast on Comcast
bbone, I'm pulling at acceptable rates from git.webkit.org, ~700KiB/s.
 That's about as fast as it's always been.  Same goes for nightly.webkit.org
.

There's a number of possible issues that would result in slow response
times and slow downloads.  E.g., it could be sheer packet loss between
carrier backbones and not necessarily tapped bandwidth.

On Thu, Mar 15, 2012 at 1:45 PM, Ryosuke Niwa <rniwa at webkit.org> wrote:

> I don't really think checking the latency is interesting. What's killing
> us is bandwidth. As far as I tested yesterday, the ping at my work (Google
> SF office) gives me a reasonable time as well.
>
> There's something that's killing our bandwidth. Does anyone know some
> tools to investigate this?
>
> - Ryosuke
>
>
> On Thu, Mar 15, 2012 at 10:40 AM, Jarred Nicholls <jarred at webkit.org>wrote:
>
>> Ditto, @ ae-11-70 attempting to get to ae-21-60 the trace dies.  Pings to
>> svn.webkit.org succeed in acceptable times however, for me.  Perhaps the
>> hops following ae-11-70 and ae-21-60 simple aren't able to reply with
>> proper ICMP packets; no real conclusion to based on that info alone, but
>> maybe worth passing off to the provider and/or directly to Level3.
>>
>> Jarred
>>
>>
>> On Thu, Mar 15, 2012 at 1:22 PM, Levi Weintraub <leviw at google.com> wrote:
>>
>>> Likewise, I lose everything past *.car1.sanjose2.level3.net. SVN
>>> updates are dog slow :(
>>>
>>>  6  pr01-xe-8-2-0.sjc07.net.google.com (72.14.218.230)  4.306 ms  4.966
>>> ms *
>>>  7  xe-11-1-0.edge2.sanjose3.level3.net (4.79.40.153)  20.116 ms  3.031
>>> ms  3.056 ms
>>>  8  ae-31-90.car1.sanjose2.level3.net (4.69.152.203)  4.316 ms
>>>     ae-11-70.car1.sanjose2.level3.net (4.69.152.75)  4.239 ms
>>>     ae-21-60.car1.sanjose2.level3.net (4.69.152.11)  4.545 ms
>>>  9  * * *
>>> 10  * * *
>>> 11  * * *
>>>
>>>
>>> On Thu, Mar 15, 2012 at 7:31 AM, Philip Rogers <pdr at google.com> wrote:
>>>
>>>> Bill,
>>>>
>>>> I'm currently pulling from svn.webkit.org at what feels like 5kbps,
>>>> and poor http://build.webkit.org/console hits the page refresh before
>>>> it's even able to render to the bottom :(
>>>>
>>>> Below is a traceroute to webkit.org:
>>>> traceroute to svn.webkit.org (17.254.20.241), 30 hops max, 60 byte
>>>> packets
>>>>   1  DD-WRT (192.168.2.1)  0.233 ms  0.297 ms  0.371 ms
>>>>  2  10.1.10.1 (10.1.10.1)  2.446 ms  2.445 ms  2.518 ms
>>>>  3  96.176.191.1 (96.176.191.1)  24.451 ms  25.398 ms  28.688 ms
>>>>  4  xe-11-0-0-0-sur01.a2atlanta.ga.atlanta.comcast.net (68.85.91.177)
>>>>  14.588 ms  15.541 ms  15.733 ms
>>>>  5  xe-2-1-3-0-ar01.b0atlanta.ga.atlanta.comcast.net (68.86.106.57)
>>>>  16.563 ms  16.929 ms  16.946 ms
>>>>  6  pos-3-6-0-0-cr01.atlanta.ga.ibone.comcast.net (68.86.93.201)
>>>>  17.967 ms pos-3-5-0-0-cr01.atlanta.ga.ibone.comcast.net(68.86.93.125)  14.599 ms  11.428 ms
>>>>  7  4.28.24.77 (4.28.24.77)  15.973 ms  17.858 ms  17.307 ms
>>>>  8  vlan51.ebr1.Atlanta2.Level3.net (4.69.150.62)  19.688 ms
>>>> vlan52.ebr2.Atlanta2.Level3.net (4.69.150.126)  14.891 ms
>>>> vlan51.ebr1.Atlanta2.Level3.net (4.69.150.62)  15.116 ms
>>>>  9  ae-73-73.ebr3.Atlanta2.Level3.net (4.69.148.253)  14.651 ms
>>>> ae-63-63.ebr3.Atlanta2.Level3.net (4.69.148.241)  13.767 ms
>>>> ae-73-73.ebr3.Atlanta2.Level3.net (4.69.148.253)  14.955 ms
>>>> 10  ae-7-7.ebr3.Dallas1.Level3.net (4.69.134.21)  34.004 ms  36.807 ms
>>>>  34.950 ms
>>>> 11  ae-3-3.ebr2.LosAngeles1.Level3.net (4.69.132.77)  66.601 ms
>>>>  65.766 ms  66.692 ms
>>>> 12  ae-6-6.ebr2.SanJose5.Level3.net (4.69.148.202)  78.577 ms  78.007
>>>> ms  78.175 ms
>>>> 13  ae-1-100.ebr1.SanJose5.Level3.net (4.69.148.109)  78.594 ms
>>>>  78.520 ms ae-5-5.ebr4.SanJose1.Level3.net (4.69.148.142)  81.371 ms
>>>> 14  ae-34-34.ebr2.SanJose1.Level3.net (4.69.153.33)  71.989 ms
>>>> ae-5-5.ebr1.SanJose1.Level3.net (4.69.148.138)  77.341 ms
>>>> ae-34-34.ebr2.SanJose1.Level3.net (4.69.153.33)  77.662 ms
>>>> 15  ae-62-62.csw1.SanJose1.Level3.net (4.69.153.18)  80.375 ms
>>>> ae-61-61.csw1.SanJose1.Level3.net (4.69.153.2)  87.895 ms
>>>> ae-81-81.csw3.SanJose1.Level3.net (4.69.153.10)  77.137 ms
>>>> 16  ae-31-90.car1.SanJose2.Level3.net (4.69.152.203)  77.660 ms
>>>> ae-41-80.car1.SanJose2.Level3.net (4.69.152.139)  78.313 ms
>>>> ae-21-60.car1.SanJose2.Level3.net (4.69.152.11)  77.746 ms
>>>> 17  * * *
>>>> 18  * * *
>>>> 19  * * *
>>>> 20  * * *
>>>> 21  * * *
>>>> 22  * * *
>>>> 23  * * *
>>>> 24  * * *
>>>> 25  * * *
>>>> 26  * * *
>>>> 27  * * *
>>>>  28  * * *
>>>> 29  * * *
>>>> 30  * * *
>>>>
>>>> Thanks for looking into this.
>>>> Philip
>>>>
>>>> On Thu, Mar 15, 2012 at 10:23 AM, William Siegrist <wsiegrist at apple.com
>>>> > wrote:
>>>>
>>>>> Our network provider did not find anything wrong. If anyone is
>>>>> currently seeing slow download times, I would like to see a traceroute to
>>>>> the server.
>>>>>
>>>>> Thanks,
>>>>> -Bill
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> webkit-dev mailing list
>>>>> webkit-dev at lists.webkit.org
>>>>> http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
>>>>>
>>>>
>>>>
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>>>>
>>>
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>>
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>
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