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Improvement
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Resolution: Unresolved
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Minor
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None
Collect thread dumps from the "hottest" threads, perhaps every n minutes.
Background:
https://weblogs.java.net/blog/brucechapman/archive/2008/03/hot_threads.html
http://java.dzone.com/news/porting-hot-thread-detector-vi
Example implementation: https://github.com/elasticsearch/elasticsearch/blob/1816951b6b0320e7a011436c7c7519ec2bfabc6e/src/main/java/org/elasticsearch/monitor/jvm/HotThreads.java
Sample output: https://gist.github.com/mlamp/3852210