Performance issues with IBM Content Search Services?

Have you checked out the IBM Documentation lately?  There are some new and informative sections, like the one on Tuning IBM Content Search Services.

IBM Content Search Services allows you to perform full-text searches against document objects and the  documentation topic guides you through the process of monitoring search and index performance with the goal of improving it.

When you go to the above link, the topic is broken down into four main areas; Tuning operating system resources for indexing performance, Troubleshooting performance problems, Optimizing query performance and Limiting IBM Content Search Services resource consumption.  These main areas contain a lot of helpful information.  For example, Tuning operating system resources contains 14 subtopics.

If you are using IBM Content Search Services, you should take a look at this  topic to see what changes can be made in your environment to improve performance and take full advantage of your hardware and software.