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IDS Forum

Re: Random Server Slowdown "Redone"

Posted By: Art Kagel
Date: Friday, 15 January 2010, at 12:44 p.m.

In Response To: Re: Random Server Slowdown "Redone" (JAVIER HERNáNDEZ)

It TCP protocol sounds like the listeners are busy, You might try adding
one or two more.

Art

Art S. Kagel
Advanced DataTools (www.advancedatatools.com)
IIUG Board of Directors (art@iiug.org)

See you at the 2010 IIUG Informix Conference
April 25-28, 2010
Overland Park (Kansas City), KS
www.iiug.org/conf

Disclaimer: Please keep in mind that my own opinions are my own opinions and
do not reflect on my employer, Advanced DataTools, the IIUG, nor any other
organization with which I am associated either explicitly, implicitly, or by
inference. Neither do those opinions reflect those of other individuals
affiliated with any entity with which I am affiliated nor those of the
entities themselves.

2010/1/15 JAVIER HERNáNDEZ <javier_hdzt@yahoo.com.mx>

> UPDATE
>
> After implementing your suggestions in the instance we have encountered a
> irregularity in the operation of the server and I need to ask for your
> help.
>
> At some point we got the suggestion that it could be a network problem, so
> I
> checked the network statistics of the server and foun this when I run the
> command "netstat --inet -n -e -c"
>
> Active Internet connections (w/o servers)
> Proto Recv-Q Send-Q Local Address Foreign Address State User Inode
> tcp 471 0 192.168.10.12:1526 192.168.11.25:1319 ESTABLISHED 0 0
> tcp 496 0 192.168.10.12:1526 192.168.10.252:1119 ESTABLISHED 500 109189
> tcp 0 0 192.168.10.12:1526 192.168.16.73:2389 ESTABLISHED 500 107466
> tcp 0 0 192.168.10.12:1526 192.168.10.9:36629 ESTABLISHED 500 79234
> tcp 473 0 192.168.10.12:1526 192.168.10.123:1124 ESTABLISHED 0 0
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60975 ESTABLISHED 500 109004
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60972 ESTABLISHED 500 109002
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60970 ESTABLISHED 500 108998
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60971 ESTABLISHED 500 109000
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60968 ESTABLISHED 500 108993
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60969 ESTABLISHED 500 108996
> tcp 0 0 192.168.10.12:1526 192.168.16.69:2161 ESTABLISHED 500 53514
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60966 ESTABLISHED 500 108989
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42792 ESTABLISHED 500 109030
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60967 ESTABLISHED 500 108991
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42793 ESTABLISHED 500 109032
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60964 ESTABLISHED 500 108987
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42794 ESTABLISHED 500 109034
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42795 ESTABLISHED 500 109036
> tcp 0 0 192.168.10.12:1526 192.168.10.7:33314 ESTABLISHED 500 14715
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42796 ESTABLISHED 500 109038
> tcp 0 0 192.168.10.12:1526 192.168.10.7:33315 ESTABLISHED 500 14717
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42797 ESTABLISHED 500 109040
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42798 ESTABLISHED 500 109042
> tcp 0 0 192.168.10.12:1526 192.168.10.9:37679 ESTABLISHED 500 87222
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42799 ESTABLISHED 500 109044
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42800 ESTABLISHED 500 109046
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42801 ESTABLISHED 500 109048
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42802 ESTABLISHED 500 109050
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60724 ESTABLISHED 500 108686
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60722 ESTABLISHED 500 108682
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60723 ESTABLISHED 500 108684
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60720 ESTABLISHED 500 108678
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60721 ESTABLISHED 500 108680
> tcp 0 0 192.168.10.12:1526 192.168.10.9:36961 ESTABLISHED 500 84071
> tcp 0 0 192.168.10.12:1526 192.168.10.7:37217 ESTABLISHED 500 52751
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42865 ESTABLISHED 500 109171
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42866 ESTABLISHED 500 109173
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42867 ESTABLISHED 500 109175
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42868 ESTABLISHED 500 109177
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42869 ESTABLISHED 500 109179
> tcp 0 0 192.168.10.12:1526 192.168.10.7:60535 ESTABLISHED 500 108275
> tcp 0 0 192.168.10.12:1526 192.168.16.65:1232 ESTABLISHED 500 73047
> tcp 0 0 192.168.10.12:1526 192.168.10.9:38035 ESTABLISHED 500 88585
> tcp 0 0 192.168.10.12:1526 192.168.10.9:36545 ESTABLISHED 500 78167
> tcp 0 0 192.168.10.12:1526 192.168.10.7:40140 ESTABLISHED 500 71267
> tcp 0 0 192.168.10.12:1526 192.168.10.9:36546 ESTABLISHED 500 78169
> tcp 471 0 192.168.10.12:1526 192.168.11.24:2515 ESTABLISHED 0 0
> tcp 0 0 192.168.10.12:1526 192.168.10.7:32966 ESTABLISHED 500 109122
> tcp 0 0 192.168.10.12:1526 192.168.10.7:32964 ESTABLISHED 500 109118
> tcp 0 0 192.168.10.12:1526 192.168.10.7:32965 ESTABLISHED 500 109120
> tcp 0 0 192.168.10.12:1526 192.168.10.7:32962 ESTABLISHED 500 109114
> tcp 0 0 192.168.10.12:1526 192.168.10.7:32963 ESTABLISHED 500 109116
> tcp 0 0 192.168.10.12:1526 192.168.10.9:37857 ESTABLISHED 500 87999
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42721 ESTABLISHED 500 108838
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42722 ESTABLISHED 500 108840
> tcp 0 0 192.168.10.12:1526 192.168.10.7:40173 ESTABLISHED 500 71282
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42723 ESTABLISHED 500 108842
> tcp 0 0 192.168.10.12:1526 192.168.10.9:37092 ESTABLISHED 500 85352
> tcp 0 0 192.168.10.12:1526 192.168.10.9:42724 ESTABLISHED 500 108844
> tcp 0 0 192.168.10.12:1526 192.168.11.28:1528 ESTABLISHED 500 109185
> tcp 0 0 192.168.10.12:1526 192.168.10.9:38394 ESTABLISHED 500 90688
> tcp 0 0 192.168.10.12:1526 192.168.10.7:40181 ESTABLISHED 500 71316
> tcp 0 0 192.168.10.12:1526 192.168.10.9:38395 ESTABLISHED 500 90690
> tcp 0 0 192.168.10.12:1526 192.168.10.7:40178 ESTABLISHED 500 71302
> tcp 0 0 192.168.10.12:1526 192.168.10.7:40179 ESTABLISHED 500 71310
> tcp 0
>
> As you can see, the second column in most of the conections is "0" but for
> the
> clients that suffer the slowdown some times we got data in the que for as
> much
> as 20 seconds, then suddenly if "flows" again and we get responce from the
> server.
>
> At some point in the day this situation gets so bad that the application
> responce goes from seconds (normal) to several minutes for each item that
> is
> consulted.
>
> Have you seen this behabior and if yes, do you know whow to diagnose and/or
> correct??
>
> For your info, the client was using ODBC in Windows XP to conect to the DB,
> since yesterday we changed the conection to the native Informix .NET
> provider,
> the problem is not as severe as befor but still it presents.
>
> Thanks for any help.
>
> Javier Hernández
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--00151747688e23af0e047d378db7

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