4.2 Domino Configuration Tuner (DCT)

The Domino Configuration Tuner (DCT) is just one of many tools that are included with the Domino 8.5.x server and Administration client. It can also be downloaded for free from this site: http://www-01.ibm.com/support/docview.wss?rs=463&uid=swg24019358

DCT provides easy-to-use self-service configuration analysis by Domino Administrators. Its goals are to identify server document and NOTES.INI configuration parameters that could be modified for more robust and better performance of Domino servers.

DCT will analyze your configuration against a set of best practice rules identified by IBM. Furthermore, it warns of worst practice configurations if discovered. Configuration settings are flagged when their values are know to cause problems based on Technotes, Redbooks/Redpapers, internal knowledge from IBM development and support and prior customer experience. Out-of-range and unexpected values are reported so that undefined behavior can be prevented. Links to supporting to documentation are also provided.

Figure 1: The DCT tool showing results of a domain analysis

DCT rules are tuned for Lotus Domino server 7.0 and later (although it can analyze any version of Domino) and requires the Lotus Notes client, standard or basic, version 8 and later. Inside the DCT tool is a button that installs the latest updates to the DCT template and downloads the latest rules. Rules are typically updated each month and up-to-date details of the current additions can be found on the Tuner Blog.

No configuration changes to the production deployment are required to perform a DCT evaluation. A full analysis exhibits a negligible load on the environment, even in business hours. Therefore analysis can be performed at any time.

Most of the rules that are evaluated have a wiki post in the Notes/Domino wiki and DCT will point to that wiki posting in your report. It is recommended for you to take advantage of DCT to feedback your results, especially if your experience does not match the recommendation in the findings. The Notes/Domino wiki entries provide a good place to do so.

For further reading, visit the Domino Configuration Tuner entry in the Notes/Domino wiki.

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IBM Redbooks: Optimizing Lotus Domino Administration

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December 28, 2011

5:15:04 AM

by Lars Berntrop-Bos

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	Version	Date	Changed by	Summary of changes
	This version (3)	Dec 28, 2011 5:15:04 AM	Lars Berntrop-Bos	Title was wrong, should be Domino Configuration Tuner
	2	Feb 1, 2011 11:36:45 PM	Amanda J Bauman
	1	Feb 1, 2011 11:35:00 PM	Amanda J Bauman