Book Image

Domino 7 Application Development

Book Image

Domino 7 Application Development

Overview of this book

Written by Lotus insiders, the book provides a practical guide to developing applications making use of the important features and enhancements introduced in Notes/Domino 7. These experienced experts use their own experiences to map out the benefits you could gain, and the dangers you may face, as you develop Domino applications in your business. Written by specific experts, edited and overseen by Lotus content generator Dick McCarrick, this book is the definitive guide to developing Domino 7 applications. TECHNOLOGY Domino is an application server that can be used as a standalone web server or as the server component of IBM's Lotus Domino product which provides a powerful collaborative platform for development of customized business applications. It also provides enterprise-grade email, messaging, and scheduling capabilities.
Table of Contents (18 chapters)
Domino 7 Application Development
Credits
Foreword
About the Authors
About the Reviewer
Preface
Free Chapter
1
A Short History of Notes and Domino

Database Properties


In this section, we look into two database properties of particular interest to performance Unread Marks and Optimize Document Table Map.

Unread Marks

In real-world installations, there is a substantial penalty in large databases for having Unread Marks enabled. So if your application doesn't use them, turn this feature off at the database level. To do this, open the database and select File|Database|Properties, then open the last (beanie) tab, and select the Don't maintain unread marks option.

Following is an example (somewhat cleaned up for easier reading) of the output you might see if you ran your client debugger while opening a database:

GET_UNREAD_NOTE_TABLE: 600 ms

OPEN_COLLECTION(REP85256055:004781F8-NTFFFF0020,0040,0000)
OPEN_DB(CN=HQ/OU=Boston/O=Acme!!Applications\SalesTracking.nsf): (Connect to HQ/Boston/Acme: 5000 ms)
GET_UNREAD_NOTE_TABLE: 4000 ms
RCV_UNREAD 2000 ms

All the preceding lines appear if Unread Marks is enabled. However, only the highlighted lines...