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New open source, easy to use metrics framework to track object instances in JDO

3 Oct 2009

The new metrics4j framework makes it easy to gather fine grained statistics on object instance loading and creation in a JDO application.

Now you can track down memory leaks through excessive object instantiations and pin point performance bottle necks in your traditional or web based applications.

metrics4j is extremely simple to use. No overriding is necessary, simply create a MetricsTracker object for your PersistenceManager and call dump() whenever you want to see a concise, summarized snapshot report of each objects instance with the number of loads and/or creations that have occured. It's much easier than analysing volumous log outputs.

Read about metrics4j.