[webkit-dev] Git/SVN is slow
William Siegrist
wsiegrist at apple.com
Thu Mar 15 14:43:17 PDT 2012
Thanks everyone for the debugging information. We are working on both hardware and software solutions, but I have no ETA to give you.
-Bill
On Mar 15, 2012, at 2:05 PM, Levi Weintraub <leviw at google.com> wrote:
> Likewise in Mountain View... it's making WebKit gardening impossible :(
>
> On Thu, Mar 15, 2012 at 2:03 PM, Dmitry Titov <dimich at chromium.org> wrote:
> over here in Seattle I am getting 5KiB/s all day, no way to get an updated checkout today :-(
>
>
> On Thu, Mar 15, 2012 at 10:54 AM, Jarred Nicholls <jarred at webkit.org> wrote:
> 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
>
>
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