[webkit-dev] Git/SVN is slow
Ryosuke Niwa
rniwa at webkit.org
Thu Mar 15 15:06:59 PDT 2012
Do you know what is causing the issue?
- Ryosuke
On Thu, Mar 15, 2012 at 2:43 PM, William Siegrist <wsiegrist at apple.com>wrote:
> 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
> Software Engineer
> Google Inc.
>
>
> <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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