HP3000-L Archives

July 2008, Week 5

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Gilles Schipper <[log in to unmask]>
Reply To:
Gilles Schipper <[log in to unmask]>
Date:
Tue, 29 Jul 2008 11:02:36 -0400
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The answer is yes.

The limit is 1140 processes PER logid.

So, by splitting the transactions among more that one logid (ie: more 
than one transaction log file) you proportionately increase the total 
number of active log processes - although you are still constrained 
by the 1140 max. per logid.

At 08:22 AM 08-07-29, Wilker, Heidi wrote:
>Hello, we have a HP-3000, using minisoft's ODBC for our Web Portal 
>applications.
>
>Yesterday, we received a turbo-image error, indicating our database 
>transaction log file had reached its maximum number of user processes.
>Doing some research via DBAUDIT, I discovered one of our web 
>applications did indeed have a large number of transactions.
>
>I found the following article on the FAQ section of the HP3000-L list:
>
>
>
>Concurrent accessors when using database logging on the HP3000
>
>
>
>
>
>Due to limits in MPE's internal tables, the maximum number of 
>processes that can share a log process -- which in this case means 
>the maximum number of processes that can open a database with 
>modify-access -- is 1140. Beware of this on limit on large systems.
>
>
>
>-- ChrisBartram 
><http://www.3k.com/twiki/bin/view/Main/ChrisBartram>  - 18 May 2006
>
>
>
>
>
>
>
>My question:  If I break-out the transactions from our heaviest web 
>application (the heaviest one is from a separate database) into a 
>separate db transaction log file (currently one log file shares a 
>number of different database transactions), will this help reduce 
>the number of problems with the above mentioned limitation?
>
>
>
>Heidi D. Wilker
>Systems Analyst
>Baltimore City Community College
>600 East Lombard Street  Bard 301-G
>Baltimore, MD 21202
>Office: 410-986-3257
>Fax: 410-986-3277
>E-mail:  [log in to unmask]<mailto:[log in to unmask]>
>http://www.bccc.edu
>
>"It is in our moments of decision, that shape our destiny"
>
>
>* To join/leave the list, search archives, change list settings, *
>* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
>
>No virus found in this incoming message.
>Checked by AVG - http://www.avg.com
>Version: 8.0.138 / Virus Database: 270.5.6/1579 - Release Date: 
>7/29/2008 6:43 AM

-------------------------------------------------------------------------------------------------
Gilles Schipper
GSA Inc.
HP System Administration Specialists
300 John Street, Box 87651   Thornhill, ON Canada L3T 7R4
Voice: 905.889.3000     Fax: 905.889.3001
email:  [log in to unmask]  web: http://www.gsainc.com
-------------------------------------------------------------------------------------------------

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