March 2006
PermaLink Performance Tuning IBM Lotus Domino Webapplications31.03.2006 14:05
I was invited to talk about Performance Tuning IBM Lotus Domino Webapplication at the Admin&Developer 2006 convention in Oberhausen, Germany.
I was thinking about talking about the following topics in a timeframe of 60 minutes:
  • Measure speed, what does it is slow mean in seconds?
  • HTTP Response Headers, Client side caching
  • Images. They can be located in the filesystem, can be attachments or resources. How to use them?
  • JavaScript. Wow do I use it so it loads fast?
  • WebQueryOpenAgents, what it that anyway? (Agent Profiling)
  • Worst practices
Not sure if I have enough time to cover these issues:
  • GZIP compression, what we can learn from DWA
  • AJAX, ...(afraid this is much too complex to present it in time)
I intended not to talk about obvious performance issues like writing fast code or building simple small views wherever possible.

Questions:
If you were (or are) attending this session, is there anything you would like to hear in addition to that?
Any examples of worst practices that made webapplications slow (and were easy to fix)?

PermaLink Microsoft starts a marketing champaign against IBM18.03.2006 00:32
Those of you who read my blog frequently know that I usually focus on technical issues but today some braking news, even in the Austrian news got my immediate attention. Regarding the news Microsoft has a budged of 500 Million Dollars just for one purpose: to fight IBM.
Needless to say that they should spend the money to improve their products instead of spending it for marketing, but to be honest: Sometimes the customers does not buy the best solution, but something else.
Michael Sampson is analyzing the situation perfectly, describing IBM's weaknesses.
My conclusion: IBM has to fight back instead of trying to be "the good guy".


PermaLink mixed mode - POP3 and DWA - notes.ini can help05.03.2006 22:01
If you use POP3 to read your emails from your maildatabase on a IBM Lotus Domino Server, everything works fine, unless you use DWA too. Emails you read using DWA do not download to your POP3 mail application. This is due to the fact that DWA removes the unread flag for that document.
To circumvence this behaviour there is an notes.ini parameter that may help. Use the following console command to set it:
SET CONFIG POP3_READ_ALL=1



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The weblog represent my personal views and comments and does not represent the views of my current or previous employers or customers.
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