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Erik Stahlhut

CURSOR Service Distribution

We keep your IBM databases running
             
 

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Monitoring

  • Companies with existentially important databases trust in our Informix Monitoring. We prevent system failures before they occur.

  • Automated monitoring around the clock. Early detection of bottlenecks based on history data with our CURSOR Admin-Scout.

  • Administration for all installation sizes. Standard, remote or standby administration, up to 24x7 availability for systems with high availability.

  • Individual adjustments to the service levels of our customers with short response times and personal contact persons in support.
Discover more about Informix Monitoring with the CURSOR Service Distribution!
 

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Service

  • Requirements from all areas of data management. Service packages or individually agreed projects like:
    • Setup of replications or high availability systems;
    • Performance, runtime analysis, tuning;
    • Release, platform or cloud migration;
    • Access control, encryption, archiving.

  • CURSOR Service Distribution is a long-standing IBM High-Value Service Provider for IBM Informix.

  • Specially for Informix we offer additional online seminars, workshops and training courses.
Information about service and support, so feel free to contact us with your project!
 

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Support

  • Request for support services for IBM databases. Our customers benefit from the competence of more than 25 years of Informix support and system-oriented development of database tools.

  • In case of support we are the first and central contact persons. We have a direct line to the IBM and HCL support departments and are available for our customers with 24x7 agreements around the clock.

  • Even Informix customers without active IBM product maintenance can take advantage of our first-aid support.
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  • Integrate IBM software into your solution!

  • Benefit from the power of IBM software, take advantage of the attractive conditions for IBM licenses and maintenance!

  • The employees of CURSOR Service Distribution have twenty years of experience in indirect sales of IBM software (OEM/ASL/ESA licensing). We show you how to become an IBM ESA Business Partner!

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the CURSOR

Admin-Scout for Informix

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  • The Informix tool right from CURSOR Informix Support.

  • Developed by administrators for administrators.

    With a background of over 25 years of Informix support, administration and system-oriented programming, we have been developing and distributing the Admin Scout since 2015.

  • By our Managed Service approach, the Admin Scout is suitable for almost all application areas of the Informix database system. Our customers are IT departments and administrators in commerce, banks, universities, trade and industry.

  
 
 
 

About us

the CURSOR Service Distribution

  • High-Value Service Provider for IBM Informix.

  • Distribution for IBM Data-Management Software (OEM/ASL/ESA licensing for ISVs).

CURSOR Service Distribution is a business unit of CURSOR Software AG, resulting from the acquisition of the Informix and development tool specialist "Nonne & Schneider" at the end of 2005.

We offer extensive technical services for IBM Informix, and as a high-value service provider we are the direct contact for all our customers' service needs for these databases.

Our services are independent from licensing through our company. Well-known customers rely on our monitoring and use our tools, while licensing and update maintenance are contracted directly with IBM.

  

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DB2 - Problem description

Problem IT07434 Status: Closed

SLOW DATABASE DEACTIVATION ON WINDOWS WITH LARGE BUFFERPOOLS AND
DB_MEM_THRESH 100

product:
DB2 FOR LUW / DB2FORLUW / A50 - DB2
Problem description:
With DB_MEM_THRESH 100 setting (the new default on version 
10.5), all the memory released by freeing bufferpool memory is 
cached.  The structures used to track the freed memory build up, 
resulting in longer and longer traversal time as more memory is 
freed. 
 
For example, deactivating a database with 100GB of bufferpool 
may take 15 minutes.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* Large DB2 / Windows systems are vulnerable                   * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 10.5 Fix Pack 7                       * 
****************************************************************
Local Fix:
db2 update db cfg for <database> using db_mem_thresh 10 
 
This can be done dynamically after connecting to the database. 
For a quicker database deactivation, it is only important that 
the "10" setting is in place prior to database deactivation (or 
last connection terminates if the database is not explicitly 
activated)  If the default "100" is desired for normal 
operations, it can be set any time before the next activation or 
online (over a connection) after the database next activates. 
 
For extremely large configurations (eg. bufferpools > 100GB), it 
may be necessary to increase the bufferpool allocation size to 
1MB, which will bypass most of the overhead. 
 
   db2set DB2_ALLOCATION_SIZE=1MB 
 
This setting is only effective as of the next instance 
activation (db2start).  This is an deprecated registry setting 
and should only be used as a workaround for this APAR.  Once the 
Fix Pack containing this APAR is applied, this setting should be 
removed.
Solution
Problem first fixed in DB2 Version 10.5 Fix Pack 7
Workaround
See Local Fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :

02.03.2015
18.02.2016
18.02.2016
Problem solved at the following versions (IBM BugInfos)


Problem solved according to the fixlist(s) of the following version(s)


10.5.0.7

FixList