[mirror-admin] Slow syncing?

[Chris Adams]

Once upon a time, Mike McGrath <mmcgrath at redhat.com> said:
> On Tue, 5 Jan 2010, Chris Adams wrote:
> > For comparison, I just did a wget of a RHEL 5 ISO with a URL from RHN.
> > I downloaded it on my mirror server to the same filesystem as my public
> > mirror, and I averaged 57 megabits per second.  I understand that Fedora
> > and RHN are on different networks (and that wget of a single URL is
> > quite different from rsync), but I just wanted to double-check that
> > there was nothing wrong with my mirror or network.
> 
> Actually they very well might be on the same network.  Those are good data
> points though, thank you.

I don't think they are (from my point of view).  A TCP traceroute to
each looks like:


traceroute to rhn.redhat.com (209.132.177.110), 30 hops max, 40 byte packets
 1  mirror.hsvrouter.hiwaay.net (216.180.99.222)  0.475 ms  0.513 ms  0.478 ms
 2  hsv.bhmrouter.hiwaay.net (216.180.48.6)  2.577 ms  2.574 ms  4.991 ms
 3  sl-gw25-atl-11-2-0.sprintlink.net (144.223.132.141)  6.062 ms  7.465 ms  7.447 ms
 4  sl-crs2-atl-0-5-3-0.sprintlink.net (144.232.22.13)  7.420 ms  10.145 ms  10.092 ms
 5  sl-crs2-dc-0-4-0-1.sprintlink.net (144.232.8.161)  22.860 ms  22.717 ms  22.567 ms
 6  sl-st31-ash-0-1-0-0.sprintlink.net (144.232.19.230)  24.994 ms  24.872 ms  24.786 ms
 7  4.68.63.205 (4.68.63.205)  34.490 ms  34.453 ms te-10-1-0.edge2.Washington4.level3.net (4.68.63.209)  32.764 ms
 8  vlan99.csw4.Washington1.Level3.net (4.68.17.254)  32.394 ms vlan79.csw2.Washington1.Level3.net (4.68.17.126)  26.932 ms vlan99.csw4.Washington1.Level3.net (4.68.17.254)  30.125 ms
 9  ae-71-71.ebr1.Washington1.Level3.net (4.69.134.133)  35.673 ms ae-61-61.ebr1.Washington1.Level3.net (4.69.134.129)  33.148 ms ae-81-81.ebr1.Washington1.Level3.net (4.69.134.137)  30.327 ms
10  ae-2.ebr3.Atlanta2.Level3.net (4.69.132.85)  38.714 ms  40.602 ms  39.900 ms
11  ae-7.ebr3.Dallas1.Level3.net (4.69.134.21)  41.271 ms  53.553 ms  53.401 ms
12  ae-81-88.ebr1.Dallas1.Level3.net (4.69.146.82)  53.106 ms ae-61-68.ebr1.Dallas1.Level3.net (4.69.146.66)  49.434 ms ae-91-98.ebr1.Dallas1.Level3.net (4.69.146.90)  46.142 ms
13  ae-8-8.car1.Phoenix1.Level3.net (4.69.133.29)  68.772 ms  65.684 ms  67.720 ms
14  REDHAT.car1.Phoenix1.Level3.net (216.142.38.22)  66.554 ms  68.207 ms  68.070 ms
15  rhn.redhat.com (209.132.177.110)  70.025 ms  68.821 ms  68.709 ms


traceroute to download.fedora.redhat.com (209.132.183.67), 30 hops max, 40 byte packets
 1  mirror.hsvrouter.hiwaay.net (216.180.99.222)  0.505 ms  0.511 ms  0.468 ms
 2  atl-edge-07.inet.qwest.net (63.147.11.253)  8.906 ms  8.931 ms  8.940 ms
 3  atl-core-01.inet.qwest.net (205.171.21.81)  8.848 ms  8.852 ms  8.833 ms
 4  atx-brdr-01.inet.qwest.net (67.14.14.98)  8.775 ms  8.771 ms  8.763 ms
 5  * * *
 6  204.70.203.97 (204.70.203.97)  12.896 ms  12.873 ms  12.848 ms
 7  cr2-te-0-0-0-0.atlanta.savvis.net (204.70.200.2)  10.272 ms  11.673 ms  11.467 ms
 8  bcr1-ae0.phoenix3px.savvis.net (208.172.236.77)  62.287 ms  62.243 ms  62.385 ms
 9  208.172.227.202 (208.172.227.202)  57.318 ms  57.299 ms  57.264 ms
10  border1.po1-bbnet1.phx004.pnap.net (69.25.168.5)  58.195 ms  58.100 ms  58.626 ms
11  redhat-2.border1.phx004.pnap.net (69.25.121.26)  58.550 ms  58.527 ms  59.003 ms
12  * * *
13  * * *
14  * * *
15  * * *
16  * * *
17  unused (209.132.183.67)  59.131 ms  58.709 ms  59.977 ms


It looks like they may both be in Phoenix, but I'm getting there via
completely different paths (of course, I don't know what the return path
looks like).

-- 
Chris Adams <cmadams at hiwaay.net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.

--