Well, someone is afoul within your network configuration wise. Traceroute should work well beyond 1 hop.
Here's a list of public Looking Glass servers. Find one in your country with a provider known to you perhaps and run traceroutes from there: http://www.traceroute.org/ On Wed, Jan 6, 2010 at 11:38 PM, Martin Bay <[email protected]> wrote: > Traceroute from my computer gives me timeout from hop 1. And facebook > is extremely show from the 5-10 computers I have tried around the > country. > > > On Jan 7, 1:35 am, pub crawler <[email protected]> wrote: >> I would believe Facebook does have geographic distribution of their >> memcached instances as well as all other app and web servers. >> >> Have you tried running a traceroute to their servers to see if there >> is some identifiable bottleneck between you and their servers? >> >> In our instance Facebook is 14 hops away on a fast cable modem on the >> US East Coast. >> >> Hops 11-14 balloon in response times to over 100ms average. If you >> get same route or end point hops with high latency this might be the >> issue: >> >> 11 FACEBOOK-INC.TenGigabitEthernet6-2.ar1.PAO2.gblx.net >> (67.17.162.38) 95.380 ms 95.452 ms 110.825 ms >> 12 ae0.bb01.pao1.tfbnw.net (74.119.76.132) 111.174 ms 111.260 ms 111.108 >> ms >> 13 ae5.br02.snc1.tfbnw.net (74.119.76.141) 110.847 ms >> ae5.br01.snc1.tfbnw.net (74.119.76.139) 110.763 ms >> ae5.br02.snc1.tfbnw.net (74.119.76.141) 110.832 ms >> 14 eth-17-17.csw01b.snc2.tfbnw.net (204.15.23.197) 116.560 ms >> eth-18-1.csw01b.snc2.tfbnw.net (204.15.21.125) 116.446 ms 116.315 ms >> >> On Wed, Jan 6, 2010 at 7:02 PM, Martin Bay <[email protected]> wrote: >> > How come sites like facebook does not place memcached servers around >> > the world with a live updated copy of their primary memcached servers? >> > From Europe the facebook website is EXTREMELY slow. >
