Buena Introducción a herramientas para analizar ejecución de java:

http://java.sun.com/developer/technicalArticles/J2SE/monitoring/

 

Thread Dump Analyzers:

IBM: http://www.alphaworks.ibm.com/tech/jca

TDA: https://tda.dev.java.net/

 

Analisis de Head Dumps

 

Uso de VisualVM (la trae la JDK)

 

appsnap -c 30 -i 1 > ~/var/logs/appsnap.out 

This command will take 30 thread dumps, 1 second apart.

 

Thread dumps usando jstack: java/bin/jstack PID > 2k_dump1