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Old 07-03-2010, 07:14 AM   #1
MTK358
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Exclamation LQ is unusably slow!


Starting from around yesterday evening (after 20:00 eastern time) LQ became so slow I can't use it whatsoever, it was a huge struggle just to get to the "Post New Thread" page. Any other site works as fast as ever.

When I load a page, it goes very slowly, sometimes loading by parts, it either takes a few minutes to load or it never does.

When I try in Konqueror, the status bar shows that the network speed is less than 100 bytes (not kilobytes or megabytes) per second.
 
Old 07-03-2010, 07:24 AM   #2
XavierP
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Seems fine to me. Can you post up some ping tests, traceroute etc to assist with trouble-shooting?
 
Old 07-03-2010, 08:57 AM   #3
pixellany
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Working fine here....

There are occassional slowdowns, but I haven't seen any significant issues in many weeks.
 
Old 07-03-2010, 09:25 AM   #4
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I did this:

Code:
ping www.linuxquestions.org
PING www.linuxquestions.org (75.126.162.205) 56(84) bytes of data.
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=1 ttl=52 time=72.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=2 ttl=52 time=72.2 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=3 ttl=52 time=70.3 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=4 ttl=52 time=70.6 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=5 ttl=52 time=69.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=6 ttl=52 time=71.7 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=7 ttl=52 time=70.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=8 ttl=52 time=69.8 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=9 ttl=52 time=69.8 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=10 ttl=52 time=69.8 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=11 ttl=52 time=71.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=12 ttl=52 time=71.2 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=13 ttl=52 time=72.0 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=14 ttl=52 time=70.6 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=15 ttl=52 time=70.6 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=16 ttl=52 time=72.0 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=17 ttl=52 time=71.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=18 ttl=52 time=72.7 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=19 ttl=52 time=69.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=20 ttl=52 time=69.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=21 ttl=52 time=70.2 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=22 ttl=52 time=70.3 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=23 ttl=52 time=70.0 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=24 ttl=52 time=71.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=25 ttl=52 time=71.0 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=26 ttl=52 time=71.0 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=27 ttl=52 time=70.7 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=28 ttl=52 time=70.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=29 ttl=52 time=71.6 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=30 ttl=52 time=71.3 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=31 ttl=52 time=72.8 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=32 ttl=52 time=69.8 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=33 ttl=52 time=69.8 ms
^C
--- www.linuxquestions.org ping statistics ---
34 packets transmitted, 33 received, 2% packet loss, time 33048ms
rtt min/avg/max/mdev = 69.410/70.876/72.861/0.985 ms
I know practically nothing about networking, though.
 
Old 07-03-2010, 09:50 AM   #5
jiml8
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Those ping times are not bad at all.

If you have IPv6 enabled in your system, when your ISP doesn't properly support it, it WILL slow you down. You might try disabling it.
 
Old 07-03-2010, 12:05 PM   #6
MTK358
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But the pages load so slow that they practically don't load at all.

The page just gets partially loaded, and seems to get "stuck". Sometimes they just sit there, after a few parts have loaded, for hours, with no appearant progress.

I don't know if I have IPv6 enabled. All other sites load about the same, and download speeds are as fast as ever. And this problem just suddenly started yesterday evening.
 
Old 07-03-2010, 12:27 PM   #7
XavierP
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Did you have an update? I've seen a few complaints (no explanation though) about a recent Firefox update which has people complaining. But the fact that it seems to be affecting you would suggest it's not on the server end.

In Firefox, go to about:config and type in "ipv6" (without the quotes). You should see 2 entries, one of which will be "network.dns.disableIPv6". Double click that and change "False" to "True". Restart Firefox and see if the problem is still there.
 
1 members found this post helpful.
Old 07-03-2010, 02:06 PM   #8
MTK358
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That didn't help.

Note that I mostly use Konqueror and Chromium.
 
Old 07-03-2010, 02:24 PM   #9
XavierP
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Have you checked your router and also done a traceroute www.linuxquestions.org to see if you can find a problem between you and here?

Here's mine, for reference:
Code:
~$ traceroute www.linuxquestions.org
traceroute to www.linuxquestions.org (75.126.162.205), 30 hops max, 60 byte packets
 1  192.168.0.1 (192.168.0.1)  4.912 ms  5.439 ms  9.680 ms
 2  host-92-15-208-1.as43234.net (92.15.208.1)  40.541 ms  41.043 ms  42.485 ms
 3  62.24.254.232 (62.24.254.232)  45.382 ms  50.532 ms  50.957 ms
 4  gig-14-1-4005-rtr002.bre.opaltelecom.net (62.24.254.233)  52.391 ms gig-14-3-4008-rtr001.hex.opaltelecom.net (62.24.254.209)  52.844 ms  61.008 ms
 5  xe-11-0-0-rt001.bre.as13285.net (78.151.225.35)  64.344 ms  79.131 ms  84.829 ms
 6  xe-11-2-0-rt001.sov.as13285.net (62.24.240.5)  85.207 ms  69.209 ms  29.909 ms
 7  xe-11-2-0-scr001.sov.as13285.net (78.144.1.130)  35.490 ms host-78-144-1-134.as13285.net (78.144.1.134)  39.055 ms xe-10-3-0-scr001.sov.as13285.net (78.144.1.132)  44.835 ms
 8  xe-11-3-0-scr010.sov.as13285.net (78.144.0.221)  47.794 ms  51.481 ms  56.001 ms
 9  cr1-linx-peer.lon005.internap.net (195.66.224.44)  64.556 ms  63.937 ms  64.944 ms
10  cr2-cr1.lon005.internap.net (77.242.206.130)  65.399 ms  65.867 ms  66.321 ms
11  bsn006-lon005-6-cr2.bsn006.internap.net (66.79.158.5)  138.504 ms  143.803 ms  148.063 ms
12  cr1-cr2.bsn006.internap.net (66.79.147.13)  120.553 ms  103.535 ms  104.259 ms
13  bsn006-nym009-9-cr2.nym009.internap.net (66.79.158.10)  115.950 ms  125.151 ms  128.716 ms
14  * * *
15  * * *
16  phi004-wdc005-814-cr1.wdc005.internap.net (66.79.147.18)  195.553 ms  130.801 ms  135.105 ms
17  cr2-cr1.wdc005.internap.net (66.79.146.202)  122.406 ms  124.414 ms  125.366 ms
18  acs007-wdc005-844-cr1.acs007.internap.net (66.79.147.197)  130.566 ms  134.623 ms  135.058 ms
19  cr2-cr1.acs007.internap.net (66.79.147.2)  137.402 ms  140.631 ms  147.237 ms
20  acs007-dal005-841-cr2.dal005.internap.net (66.79.147.190)  169.410 ms  172.284 ms  175.005 ms
21  cr1-cr2.dal005.internap.net (66.79.147.185)  185.855 ms  151.518 ms  152.280 ms
22  dal005-dalext1-846-core3.ext1.dal.internap.net (66.79.145.98)  256.387 ms  254.485 ms  252.464 ms
23  border3.tge4-1-bbnet2.ext1.dal.pnap.net (216.52.191.83)  144.355 ms  142.991 ms  146.418 ms
24  te1-2.cer02.dal01.networklayer.com (216.52.189.30)  158.239 ms  155.512 ms  155.026 ms
25  po2.fcr02.dal01.networklayer.com (66.228.118.182)  156.167 ms  157.971 ms  156.078 ms
26  www.linuxquestions.org (75.126.162.205)  155.612 ms  155.139 ms  154.505 ms
 
Old 07-03-2010, 02:56 PM   #10
MTK358
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Code:
$ traceroute www.linuxquestions.org
traceroute to www.linuxquestions.org (75.126.162.205), 30 hops max, 52 byte packets
 1  home (192.168.1.254)  3.645 ms  2.703 ms  3.558 ms
 2  nc-65-41-188-1.dyn.embarqhsd.net (65.41.188.1)  34.283 ms  33.685 ms  32.851 ms
 3  nc-69-69-52-209.sta.embarqhsd.net (69.69.52.209)  34.001 ms  31.009 ms  31.687 ms
 4  host61.sprintnetops.net (206.107.116.61)  33.275 ms  35.588 ms  35.235 ms
 5  host.lightcore.net (208.110.248.125)  32.874 ms  32.527 ms  35.703 ms
 6  bb-rcmtncxa-jx9-02-ae0.core.centurytel.net (208.110.248.66)  35.363 ms  34.235 ms  33.813 ms
 7  bb-asbnvacy-jx9-02-ae3.0.core.centurytel.net (208.110.248.170)  46.167 ms  42.818 ms  43.296 ms
 8  bb-asbnvacy-jx9-01-ae0.0.core.centurytel.net (208.110.248.117)  44.149 ms  42.000 ms  44.967 ms
 9  te3-5.bbr01.eq01.wdc01.networklayer.com (206.223.115.185)  43.297 ms  42.687 ms  44.721 ms
10  po3.bbr02.tl01.atl01.networklayer.com (173.192.18.153)  51.780 ms  50.199 ms  51.857 ms
11  * * po7.bbr01.eq01.dal01.networklayer.com (173.192.18.134)  71.012 ms
12  po5.dar02.sr01.dal01.networklayer.com (173.192.18.203)  70.936 ms  193.953 ms  201.363 ms
13  po2.fcr02.dal01.networklayer.com (66.228.118.182)  121.572 ms  70.823 ms  127.567 ms
14  www.linuxquestions.org (75.126.162.205)  70.940 ms  70.910 ms  71.416 ms
 
Old 07-03-2010, 03:06 PM   #11
XavierP
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Yours looks better than mine!
 
Old 07-03-2010, 10:49 PM   #12
damgar
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I've had problems in the past and on occasion clearing the cache has helped and cookies has helped.
 
Old 07-04-2010, 03:17 AM   #13
salasi
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You are using linuxquestions directly from www.linuxquestions.org, aren't you?

From an RSS feed, I notice that the process of getting from a link in a feed (via feedproxy) is tragically slow (sometimes ~a few seconds, sometimes into the hours range), but direct use of www.linuxquestions.org is perfectly normal.

Your DNS lookup for linuxquestions is normal, isn't it? Could you post the output from 'dig www.linuxquestions.org', please?
 
Old 07-04-2010, 07:28 AM   #14
pr_deltoid
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Quote:
prdeltoid@home:~$ ping -c 10 www.linuxquestions.org
PING www.linuxquestions.org (75.126.162.205) 56(84) bytes of data.
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=1 ttl=52 time=42.9 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=2 ttl=52 time=46.6 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=3 ttl=52 time=43.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=4 ttl=52 time=43.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=5 ttl=52 time=43.7 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=6 ttl=52 time=43.4 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=7 ttl=52 time=44.1 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=8 ttl=52 time=44.6 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=9 ttl=52 time=44.6 ms
64 bytes from www.linuxquestions.org (75.126.162.205): icmp_seq=10 ttl=52 time=44.5 ms

--- www.linuxquestions.org ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9035ms
rtt min/avg/max/mdev = 42.985/44.174/46.689/1.009 ms

Last edited by pr_deltoid; 07-04-2010 at 07:30 AM.
 
Old 07-04-2010, 07:31 AM   #15
MTK358
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It seems to have fixed itself now.

The problem probably was neither at my end nor at LQ.
 
  


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