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IDS Forum
Re: On Nettype Configuration
Posted By: Madison Pruet Date: Thursday, 11 March 2004, at 11:21 a.m.
In Response To: Re: On Nettype Configuration (jpierrot@chubb.com)
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The number on the nettype entry is used to size the IPC message buffer shared memory segment. The message buffer shm is basically nothing but= an array of message buffers. With TCP connections, there is no such array= and thus the TCP interface can handle more connections.
M.P.
= jpierrot@chubb.co = m To: ids@iiug.org = Sent by: cc: = forum.subscriber@ Subject: Re: On Nettype= Configuration [2657] iiug.org = = = 03/11/2004 06:00 = AM = =
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Thanks! Here is what I am really curious about : with the following setting "soctcp,,500,NET". I am noticed over 2000 concurrent connections. Why ?
Kum Moon Tham
<thamkm@sg.ibm.co To: jpierrot@chubb= .com
m> cc: forum.subscriber@iiug.org, ids@iiug.org Subject: Re: On Nettype=
Configuration [2650] 03/11/04 02:49 AM
Hi, If poll thread is not specified, it defaults to 1. Is soctcp,,500,NET (which is really soctcp,1,500,NET) better than soctcp,4,500,NET ?
It depends very much on the number of concurrent connections you expect= . For a highly used system, if there are sufficient hardware resources, y= ou are likely to benefit from 4 poll threads vs 1.
Cheers, Tham Kum Moon IBM Informix Support
(Embedded image moved to file: pic11600.gif)jpierrot@chubb.com
jpierrot@chubb.c om Sent by: forum.subscriber (Embedded image moved to file= : @iiug.org pic26969.gif) = To (Embedded image moved= to 03/11/2004 02:50 file: pic14015.gif) AM ids@iiug.org (Embedded image moved to file= : pic05565.gif) = cc (Embedded image moved= to file: pic00028.gif) (Embedded image moved to file= : pic21543.gif) Subj= ect (Embedded image moved= to file: pic25347.gif) On Nettype Configurat= ion [2650]
(Embedded image moved to file= : pic02088.gif) (Embedded image moved t= o file: pic02943.gif)
Hi forum,
Looking for high level thought on these two configurations for Nettype.=
Using soctcp,,500,NET (without # of poll threads) for nettype value in onconf= ig. If left blank does it take a default value. vs. soctcp,4,500,NET (with # of poll threads) for nettype value in onconfig= .
Which configuration is the best if any.
Thanks in advance for your expert advice!
Josue'
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<html><body> <p>The number on the nettype entry is used to size the IPC message buff= er shared memory segment. The message buffer shm is basically nothing = but an array of message buffers. With TCP connections, there is no suc= h array and thus the TCP interface can handle more connections.<br> <br> M.P. <br> <img src=3D"cid:10__=3D07BBE4C7DFC422C98f9e8a93df938@us.ibm.com" width=3D= "16" height=3D"16" alt=3D"Inactive hide details for jpierrot@chubb.com"= >jpierrot@chubb.com<br> <br> <br>
<table V5DOTBL=3Dtrue width=3D"100%" border=3D"0" cellspacing=3D"0" cel= lpadding=3D"0"> <tr valign=3D"top"><td width=3D"1%"><img src=3D"cid:20__=3D07BBE4C7DFC4= 22C98f9e8a93df938@us.ibm.com" border=3D"0" height=3D"1" width=3D"72" al= t=3D""><br> </td><td style=3D"background-image:url(cid:30__=3D07BBE4C7DFC422C98f9e8= a93df938@us.ibm.com); background-repeat: no-repeat; " width=3D"1%"><img= src=3D"cid:20__=3D07BBE4C7DFC422C98f9e8a93df938@us.ibm.com" border=3D"= 0" height=3D"1" width=3D"225" alt=3D""><br>
<ul> <ul> <ul> <ul><b><font size=3D"2">jpierrot@chubb.com</font></b><br> <font size=3D"2">Sent by: forum.subscriber@iiug.org</font> <p><font size=3D"2">03/11/2004 06:00 AM</font></ul> </ul> </ul> </ul> </td><td width=3D"100%"><img src=3D"cid:20__=3D07BBE4C7DFC422C98f9e8a93= df938@us.ibm.com" border=3D"0" height=3D"1" width=3D"1" alt=3D""><br> <font size=3D"1" face=3D"Arial"> </font><br> <font size=3D"2"> To: </font><font size=3D"2">ids@iiug.org</font><br> <font size=3D"2"> cc: </font><br> <font size=3D"2"> Subject: </font><font size=3D"2">Re: On Nettype Confi= guration [2657]</font></td></tr> </table> <br> <br> <tt>--0__=3D0ABBE4C7DFDFC3FA8f9e8a93df938690918c0ABBE4C7DFDFC3FA<br> Content-type: text/plain; charset=3Dus-ascii<br> <br> <br> Thanks!<br> Here is what I am really curious about :<br> with the following setting "soctcp,,500,NET". I am noti= ced over 2000<br> concurrent connections. Why ?<br> <br> <br> = &= nbsp; &n= bsp; &nb= sp; &nbs= p; <br> = Kum Moon Tham &n= bsp; &nb= sp; &nbs= p; <br> = <thamkm@sg.ibm.co To: = jpierrot@chubb.com &n= bsp; &nb= sp; <br> = m> &nb= sp; cc: forum.subscriber@iiug.org, i= ds@iiug.org <br> = &= nbsp; Subject: Re: On Nettype Configuration [2650] = <br> = 03/11/04 02:49 AM  = ; = = <br> = &= nbsp; &n= bsp; &nb= sp; &nbs= p; <br> = &= nbsp; &n= bsp; &nb= sp; &nbs= p; <br> <br> <br> <br> <br> Hi,<br> If poll thread is not specified, it defaults to 1.<br> Is soctcp,,500,NET (which is really soctcp,1,500,NET)<br> better than soctcp,4,500,NET ?<br> <br> It depends very much on the number of concurrent connections you expect= .<br> For a highly used system, if there are sufficient hardware resources, y= ou<br> are likely to benefit from 4 poll threads vs 1.<br> <br> Cheers,<br> Tham Kum Moon<br> IBM Informix Support<br> <br> (Embedded image moved to file: pic11600.gif)jpierrot@chubb.com<br> <br> = &= nbsp; &n= bsp; <br> = jpierrot@chubb.c  = ; = <br> = om  = ; = <br> = Sent by: = = <br> = forum.subscriber (Embedded image moved to file: <b= r> = @iiug.org pic26969.gif) = <br> = &= nbsp; &n= bsp; To <br> = &= nbsp; (Embedded image moved to <br> = 03/11/2004 02:50 file: pic140= 15.gif) <br> = AM  = ; ids@iiug.org = <br> = &= nbsp;(Embedded image moved to file: <br> = &= nbsp;pic05565.gif) &nb= sp; <br> = &= nbsp; &n= bsp; cc <br> = &= nbsp; (Embedded image moved to <br> = &= nbsp; file: pic00028.gif) &nbs= p;<br> = &= nbsp;(Embedded image moved to file: <br> = &= nbsp;pic21543.gif) &nb= sp; <br> = &= nbsp; &n= bsp; Subject <br> = &= nbsp; (Embedded image moved to <br> = &= nbsp; file: pic25347.gif) &nbs= p;<br> = &= nbsp; On Nettype Configuration <br> = &= nbsp; [2650] &nb= sp; <br> = &= nbsp; &n= bsp; <br> = &= nbsp; &n= bsp; <br> = &= nbsp;(Embedded image moved to file: <br> = &= nbsp;pic02088.gif) &nb= sp; <br> = &= nbsp; (Embedded image moved to <br> = &= nbsp; file: pic02943.gif) &nbs= p;<br> = &= nbsp; &n= bsp; <br> = &= nbsp; &n= bsp; <br> <br> <br> <br> Hi forum,<br> <br> Looking for high level thought on these two configurations for Nettype.= <br> <br> Using<br> soctcp,,500,NET (without # of poll threads) for nettype value in onconf= ig.<br> If left blank does it take a default value.<br> vs.<br> soctcp,4,500,NET (with # of poll threads) for nettype value in onconfig= .<br> <br> Which configuration is the best if any.<br> <br> Thanks in advance for your expert advice!<br> <br> Josue'<br> <br> <br> <br> <br> <br> --0__=3D0ABBE4C7DFDFC3FA8f9e8a93df938690918c0ABBE4C7DFDFC3FA<br> Content-type: image/gif; <br> name=3D"pic11600.gif"<br> Content-Disposition: attachment; filename=3D"pic11600.gif"<br= > Content-transfer-encoding: base64<br> <br> R0lGODlhEAAQAKECAMzMzAAAAP///wAAACH5BAEAAAIALAAAAAAQABAAAAIXlI+py+0Popw= xUbpu<br> ZRfKZ2zgSJbmSRYAIf4fT3B0aW1pemVkIGJ5IFVsZWFkIFNtYXJ0U2F2ZXIhAAA7<br> <br> --0__=3D0ABBE4C7DFDFC3FA8f9e8a93df938690918c0ABBE4C7DFDFC3FA<br> Content-type: image/gif; <br> name=3D"pic26969.gif"<br> Content-Disposition: attachment; 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