If you don’t regularly check the IBM Portal wiki or subscribe to updates via RSS, you might not have seen the WebSphere Portal v7 Tuning Guide that was just released. Many of the sections are similar to the previous editions, but there are also new sections for areas such as:
- Disabling features you might not be using, such as tagging and rating, search, and friendly URLs.
- Page Builder Theme Tuning
- Nested Group Cache
- Startup performance using Development and Lite Modes
- Many others…
Don’t get too carried away and start tuning right away. The very first paragraph of the PDF contains a very important recommendation:
Remember that both tuning and capacity are affected by many factors, including the workload scenario and the performance measurement environment. For tuning, the objective of this paper is not to recommend that you use the values we used when measuring our scenarios, but to make you aware of those parameters used in our configuration. When tuning your individual systems, it is important to begin with a baseline, monitor the performance metrics to determine if any parameters should be changed and, when a change is made, monitor the performance metrics to determine the effectiveness of the change.
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