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| maxchannels |
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| dk27 |
 Posted: Tue May 20, 2008 2:00 am Post subject: maxchannels |
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Acolyte
Joined: 28 Apr 2008
Posts: 51
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I have a peculiar problem here. I have been asked to evaluate if I need to increases maxchannels for a queue manager. Currently maxchannels is set to 200 and after this change I have been asked to increase to 300.
Question here is how do I know how many channels currently used on the queue manager and If number of new connection exceed the number that comes when number of active channels are subtracted from maxchaneels.
Platform is Solaris and MQ 5.3 and I have read some where that maxchannel attribute is not significant on platform other that Z/OS.
Can you please let me know how can I know how many channels are currently used on the queue manager. |
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| Vitor |
| Posted: Tue May 20, 2008 2:05 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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Start here then work through the search facility if you've further queries.
It's been talked about a lot. 
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| dk27 |
| Posted: Tue May 20, 2008 2:27 am Post subject: |
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Acolyte
Joined: 28 Apr 2008
Posts: 51
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| apologies, I have found the right thread for this.. |
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| KramJ |
| Posted: Thu May 22, 2008 9:06 am Post subject: |
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Voyager
Joined: 09 Jan 2006
Posts: 80
Location: Atlanta
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You can try this perl script. I haven't tried it on Solaris, but it works well with v5.3 on AIX. It requires modification to work correctly with MQ v6.
[code]
#!/usr/bin/perl -w
#
# Written by: Mark Johnson 12/19/2006
#
# Description:
# This script is used to view active MQ connection counts, SVRCONN connection counts,
# and SVRCONN connection counts by host.
#
# Usage:
# ./MQConnections.pl
use strict;
my (@svrconn, @chName, $flag, @active, @chan, @IP, @stat);
my $runmqsc = `echo "dis chs(*)"|/usr/bin/runmqsc`;
my @cons = split /AMQ8417: Display Channel Status details./, $runmqsc;
print "\n";
for(my $i = 1; $i < @cons; $i++){
if($cons[$i] =~ m/SVRCONN/){
push(@svrconn, $i);
}
}
print "Active channels: " . scalar @cons . "\nActive SVRCONN channels: " . scalar @svrconn . "\n\n";
for(my $i = 0; $i < @svrconn; $i++){
($chan[$i], $IP[$i], $stat[$i]) = (split /\s+/, $cons[$svrconn[$i]])[1,4,7];
$chan[$i] =~ s/CHANNEL\(//;
$chan[$i] =~ s/\)//;
$IP[$i] =~ s/CONNAME\(//;
$IP[$i] =~ s/\)//;
$flag = 0;
for(my $j = 0; $j < @chName; $j++){
if($chan[$i] eq $chName[$j]){
$flag = 1;
}
}
if(!$flag){
push(@chName, $chan[$i]);
}
}
for(my $k = 0; $k < @chName; $k++){
if($chName[$k] =~ m/NS.MQADMIN/){
next;
}
print "$chName[$k]: ";
my @count;
for(my $l = 0; $l < @chan; $l++){
if(($chName[$k] eq $chan[$l]) && ($stat[$k] =~ m/RUNNING/)){
push(@count, $l);
}
}
my @hostIP;
my $count = 0;
print scalar @count . "\n";
for(my $m = 0; $m < @count; $m++){
$flag = 0;
for(my $n = 0; $n < @hostIP; $n++){
if($hostIP[$n] eq $IP[$count[$m]]){
$flag = 1;
}
}
if(!$flag){
push(@hostIP, $IP[$count[$m]]);
}
}
for(my $n = 0; $n < @hostIP; $n++){
my @count2;
for(my $o = 0; $o < @count; $o++){
if($IP[$count[$o]] eq $hostIP[$n]){
$count2[$n]++;
}
}
my $host = `nslookup -timeout=1 $hostIP[$n] 2>/dev/null`;
$host = (split /\n/, $host)[3];
if(!$host){
$host = "";
}
$host = (split /\s+/, $host)[1];
if(!$host){
$host = "";
}
$host = (split /\./, $host)[0];
if(!$host){
$host = "unknown";
}
print "\t$host ($hostIP[$n]): $count2[$n]\n";
}
}
print "\n";
[/code] |
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