Re: Clustering Performance Issues

Walter, 

The queue depth is high, but I think it is because there is a deeper 
issue.  I can load more replicas, but not sure that is the ultimate 
solution.

What "Range" paramater are you talking about?  I am not very familiar with 
the AS400 or is it a Notes server/INI setting?

Thanks for the info.

Brian

  Replica.Cluster.WorkQueueDepth = 543
  Replica.Cluster.WorkQueueDepth.Avg = 179
  Replica.Cluster.WorkQueueDepth.Max = 721


Brian Rutherford
Senior Lotus Notes Developer/Admin
Ph:  630-795-2155
Fax: 630-795-2220
www.hubgroup.com
brutherford@xxxxxxxxxxxx



Walter Scanlan <wscanlan@xxxxxxxxxx> 
Sent by: domino400-bounces+brutherford=hubgroup.com@xxxxxxxxxxxx
12/07/2006 03:33 PM
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Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>


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Subject
Re: Clustering Performance Issues






The range is set to low by default bump that from 6 to 25.

Second,

sh st replica.*

what are the values for the cluster queue depth and time on queue?

If high, add another clrepl to the server.

 
Walter Scanlan 
Senior Software Engineer
WPLC products for System i
507-286-6088
wscanlan@xxxxxxxxxx

"Quality is remembered long after price is forgotten"




Brian Rutherford <brutherford@xxxxxxxxxxxx> 
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12/07/2006 03:23 PM
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Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>


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Subject
Clustering Performance Issues






All,

We recently clustered our AS400 Mail server with a Windows Server.   It 
was on 6.5.4 and is now on 7.0.2. 

We are experiencing issues with Cluster replication.  I only have about 
1000 users and I have 3 cluster replicators running on each server.

The issue I have is that when a change is made on the windows server it 
comes across to the AS400 within about 2 seconds.  Going the opposite 
direction from the AS400 to windows it can take over a couple minutes for 
it to replicate.  I have had a ticket open with Lotus for over 2 months 
and no luck so far.  We have done the following....

1) Made sure that the NICs and switch were set to 100/Full Duplex.
2) Made sure that compression was not turned on on the clustered port.
3) Applied all the latest PTFs.  (we are on V5R3).

It is on the same network segment and switch so I am at a loss.  I have 
done clustering on 2 windows boxes before with several thousand users and 
not had this issue so I am guessing it is something on the AS400 slowing 
things down.

The Server Availability Index is really low....see below.

Any ideas would be GREATLY appreciated.

Thanks

Brian

 Cluster name: MailCluster1, Server name: HubMail1/The Hub Group Inc.
 Server cluster probe timeout: 1 minute(s)
 Server cluster probe count: 4656
 Server cluster default port: TCPIP2
 Server availability threshold: 0
 Server availability index: 47 (state: AVAILABLE)
 Server availability default minimum transaction time: 3000
 Cluster members (2):
 Server: HubMail2/The Hub Group Inc., availability index: 100
 Server: HubMail1/The Hub Group Inc., availability index: 43


Brian Rutherford
Senior Lotus Notes Developer/Admin
Ph:  630-795-2155
Fax: 630-795-2220
www.hubgroup.com
brutherford@xxxxxxxxxxxx
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