[webkit-dev] Git/SVN is slow

Thu Mar 15 10:45:39 PDT 2012

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
>>>>
>>>>
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>>>>
>>>
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