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 ## Performance
 * [dzone.com: The Keys to Performance Tuning and Testing](https://dzone.com/articles/the-keys-to-performance-tuning-and-testing)
 * [dzone.com: How Performance Tuning and Testing are Changing](https://dzone.com/articles/how-performance-tuning-and-testing-are-changing)
+* Java:
+  * [developers.redhat.com: Troubleshooting java applications on openshift](https://developers.redhat.com/blog/2017/08/16/troubleshooting-java-applications-on-openshift/)
+  * [dzone.com: how to take thread dumps](https://dzone.com/articles/how-to-take-thread-dumps-7-options)
 
 ## Application Performance Management
 * [en.wikipedia.org/wiki/Application_performance_management](https://en.wikipedia.org/wiki/Application_performance_management)
 * [dzone.com: APM Tools Comparison](https://dzone.com/articles/apm-tools-comparison-which-one-should-you-choose)
 * [dzone.com: Java Performance Monitoring: 5 Open Source Tools You Should Know](https://dzone.com/articles/java-performance-monitoring-5-open-source-tools-you-should-know)
 * [dzone.com: 14 best performance testing tools and APM solutions](https://dzone.com/articles/14-best-performance-testing-tools-and-apm-solution)
+* List of Performance Analysis Tools:
+  * [en.wikipedia.org/wiki/List_of_performance_analysis_tools](https://en.wikipedia.org/wiki/List_of_performance_analysis_tools)
+  * [InspectIT](https://en.wikipedia.org/wiki/InspectIT)
+  * [VisualVM](https://en.wikipedia.org/wiki/VisualVM)
+  * [OverOps](https://en.wikipedia.org/wiki/OverOps)
+  * [FusionReactor](https://en.wikipedia.org/wiki/FusionReactor)
+  * etc
+  * Threadumps + heapdumps + GC analysis tools:
+      * [tier1app.com](https://tier1app.com/)
+      * [fastthread.io](https://fastthread.io/)
+      * [gceasy.io](https://gceasy.io/)
+      * [heaphero.io](https://heaphero.io/)
 
 ### Dynatrace
 * [adictosaltrabajo.com: Monitorización y análisis de rendimiento de aplicaciones con Dynatrace APM](https://www.adictosaltrabajo.com/tutoriales/monitorizacion-y-analisis-de-rendimiento-de-aplicaciones-con-dynatrace/)