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Bug 317718

Summary: Web interface very slow
Product: Community Reporter: Steve Powell <zteve.powell>
Component: CI-JenkinsAssignee: CI Admin Inbox <ci.admin-inbox>
Status: CLOSED WORKSFORME QA Contact:
Severity: normal    
Priority: P3 CC: webmaster
Version: unspecified   
Target Milestone: ---   
Hardware: PC   
OS: Mac OS X - Carbon (unsup.)   
Whiteboard:

Description Steve Powell CLA 2010-06-23 11:39:04 EDT
Access to hudson pages (configuration, consoles, views) appears extremely slow today.
There appear to be no jobs running at the moment, so it is hard to see what would be slowing the response time like this.
Comment 1 Denis Roy CLA 2010-06-23 11:44:50 EDT
I'm seeing 1.3 s to load the home page from my home cable connection, and 0.8s to load the Hudson home page from Amazon ec2.  Logged in, load times are very fast for me.
Comment 2 Steve Powell CLA 2010-06-23 12:09:12 EDT
(In reply to comment #1)
> I'm seeing 1.3 s to load the home page from my home cable connection, and 0.8s
> to load the Hudson home page from Amazon ec2.  Logged in, load times are very
> fast for me.

I'm logged in.  Not that that should be a problem.  My colleagues experience the same sluggishness -- we are talking about 10 or more seconds to start rendering a page, much longer for complex pages like configuration of jobs (which tend to restructure quite a bit after first render).

Perhaps there are some logs you can look at?  My real ip address is 89.21.231.34.
Comment 3 Steve Powell CLA 2010-06-23 12:10:39 EDT
This problem has started happening today (previous experience is much better); last usage (probably) Friday last week; when no (significant) problem found.

This might help you to locate cause.
Comment 4 Denis Roy CLA 2010-06-23 14:00:45 EDT
> This might help you to locate cause.

Well, I can't reproduce it from the outside, and you're the only one reporting this..  I think I've located the cause  :-)
Comment 5 Steve Powell CLA 2010-06-24 09:11:52 EDT
The response times are now adequate once again.
It is not clear from this bug log that anything specific was done to achieve this or to determine cause.
Regards,
  The Cause.
Comment 6 Denis Roy CLA 2010-06-24 11:50:42 EDT
Since I could not reproduce this from two separate external locations, my determination was that the problem was not at our end, so no action was taken.  I'm glad everything is working out now, though.

For reference, a tcp traceroute (not icmp) would have been helpful in identifying if (and where) the problem was network congestion.

traceroute -T build.eclipse.org -p 443
Comment 7 Steve Powell CLA 2010-06-25 10:20:54 EDT
Thank you.

For reference: your suggested command is not consistent with the traceroute I have on my platform:

traceroute [-adeFISdNnrvx] [-A as_server] [-f first_ttl] [-g gateway] [-i iface] [-M first_ttl] [-m max_ttl] [-P proto] [-p port] [-q nqueries] [-s src_addr] [-t tos] [-w waittime] [-z pausemsecs] host [packetsize]

What would I type here?
Comment 8 Steve Powell CLA 2010-06-25 10:53:17 EDT
OK I typed:

traceroute -p 443 build.eclipse.org

and got...

traceroute to build.eclipse.org (206.191.52.57), 64 hops max, 52 byte packets
 1  31.fa3-0.er01.sotsci.vostron.net (89.21.231.33)  1.161 ms  0.830 ms  0.743 ms
 2  200.gi0-0.thelon-pe01.vostron.net (89.21.224.5)  5.984 ms  6.672 ms  5.732 ms
 3  gi1-24.telehouse-east.core.enta.net (78.33.30.53)  5.984 ms  6.008 ms  5.729 ms
 4  gwy1-nyc.bb.allstream.net (195.66.225.30)  98.429 ms  97.683 ms  98.425 ms
 5  ge-wan-4-1.hcap4-ott.bb.allstream.net (199.212.172.18)  124.716 ms  199.114 ms  200.358 ms
 6  66.46.220.198 (66.46.220.198)  115.921 ms  116.559 ms  116.160 ms
 7  gateway2-vlan94.magma.ca (209.217.64.49)  116.424 ms  115.076 ms  114.670 ms
 8  206.191.0.120 (206.191.0.120)  114.916 ms  115.319 ms  117.164 ms
 9  * * *
10  * * *
.
.
64  * * *

and there we stop (of course).  I'm not sure what is going on.
Comment 9 Steve Powell CLA 2010-08-06 04:15:38 EDT
Well, the problem dissipated...