I moved this from the resources section of the Pixl8 Interactive web site as now we have an externally facing blog it makes more sense for these links to be here.
The Moment of Truth: Tuning Performance in JRun Apps and Environment
JRun 4: General troubleshooting techniques for an unresponsive JRun server
ColdFusion MX: Explanation of Request Timeout and threadWaitTimeout settings
Server settings: the jrun.xml file
ColdFusion MX: Tips for performance and scalability
Frequently Asked Questions about Garbage Collection in the HotspotTM JavaTM Virtual Machine
Java Tuning White Paper
ColdFusion Peformance Tuning Presentation
Obtaining a Thread Dump with ColdFusion or JRun running as a Windows Service
JRun Connection Closed Errors
Performance Tuning and Monitoring Coldfusion or JRun
Java Thread and How does it work?
Advanced Debugging In JRun 4
Steven Erat's blog: activeHandlerThreads or Simultaneous Requests: Less is More
Simultaneous Requests in CFMX 7
Keep Library Loaded - Check this box to retain the library in RAM
SeeStack - Parse ColdFusion Thread Dumps Like a Pro!
Request timed out waiting for an available thread to run
Troubleshooting Tips For ColdFusion MX
Help! My ColdFusion MX Server is Slow!!!!
Sarge's blog: CFMX Performance Settings (JRun 50% CPU thread)
Robi Sen's blog: Hung Servers, Java.lang.OutOFMemory errors and Tuning CF JVM
Peter Freitag's blog: Tuning Garbage Collection Outline
ColdFusion Memory Usage Stats
Getting ColdFusion Server Metrics
Have you tuned your JVM on ColdFusion MX yet?
CFMX JVM Tuning - The difference between MaxPermSize and Heap Size
Daemonite blog: Maximum JVM heap size for CFMX
Enhancing CFMX logging
Misc: Java Garbage Collection Tuning
Java Performance Tuning
SeeFusion :: ColdFusion Server Monitoring