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Re: Slow server performance

From: Andreas Carlsson
Date: Thursday, July 10, 2003
Time: 10:27:52 am

Hi again,

Len Conrad wrote:
>...but who's using the A record for kicknick.net? compared to
>www.kicknick.net?

Here's a copy from the setup in QDNS regarding the domain "kicknick.net":

--------------------------------------------------------------------------------
"ns.kicknick.net. IN A 62.181.204.83"
"kicknick.net. IN A 62.181.204.85"
"ftp.kicknick.net. IN A 62.181.204.85"
"www.kicknick.net. IN A 62.181.204.85"
"ns2.kicknick.net. IN A 62.181.204.84"
"mail.kicknick.net. IN A 62.181.204.86"
"host.kicknick.net. IN A 62.181.204.85"
--------------------------------------------------------------------------------



>...ok, that's disastrous
>
>I'm seeing no packet loss into 85.204.181.62.in-addr.dgcsystems.net

Wich reminds me; I haven't done any reverse lookups for the domains
since we switched IP's. Should I do that? As I write this I've
started to create the reverse lookups. It's been doing that for more
than an hour now, and is still not finished...


>you're seeing so much packet loss that TCP sessions will be
>seriously screwed, timeout, reconnect, etc, etc.

Yes, that's exactly what is happening. We can access things like ICQ,
the mail, etc (even though it's slow), but HTTP gets timeouts after a
while.

Furthermore, just to be sure, we connected one machine directly to
the DSL modem and tried to connect to some sites. Same thing. This
*must* mean that the DSL line is corrupt somehow, right?


>on various MAC machines, what does
>
>netstat -bi
>
>show? collisions? in errs? out errs?

No problems here I think, this is from the Webserver:
======================================================
Name Mtu Network Address Ipkts Ierrs Ibytes
Opkts Oerrs Obytes Coll
lo0 16384 <Link#1> 1510766 0 160786364
1510766 0 160786364 0
lo0 16384 localhost ::1 1510766 - 160786364
1510766 - 160786364 -
lo0 16384 fe80:1::1 fe80:1::1 1510766 - 160786364
1510766 - 160786364 -
lo0 16384 127 localhost 1510766 - 160786364
1510766 - 160786364 -
gif0* 1280 <Link#2> 0 0 0
0 0 0 0
stf0* 1280 <Link#3> 0 0 0
0 0 0 0
en0 1500 <Link#4> 00:03:93:b5:c9:c4 173988 285 29006250
223585 0 217924211 0
en0 1500 fe80:4::203 fe80:4::203:93ff: 173988 - 29006250
223585 - 217924211 -
en0 1500 62.181.204/24 85.204.181.62.i 173988 - 29006250
223585 - 217924211 -
en0 1500 (16)00:00:ff:cc:60 173988 285 29006250
223585 0 217924211 0
en1 1500 <Link#5> 00:03:93:bf:fc:20 6068 0 470212
284 0 44949 0
en1 1500 fe80:5::203 fe80:5::203:93ff: 6068 - 470212
284 - 44949 -
en1 1500 192.168.1 192.168.1.107 6068 - 470212
284 - 44949 -
======================================================



I know, I look like a dumbass to you guys. I was so proud last year
when I was finished with all this and it worked! Now, because of new
IP's and broadband provider, nothing works, and I don't have a
clue... :P

Thanks in advance,
/andreas



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