GC文档会合

Java Code Examples for java.lang.management.GarbageCollectorMXBean:

http://www.programcreek.com/java-api-examples/index.php?api=java.lang.management.GarbageCollectorMXBean

Java GC 调试手记:

http://blog.****.net/firecoder/article/details/7225654

garbage-collection-in-java-part

http://www.softwareengineeringsolutions.com/blogs/2010/05/01/garbage-collection-in-java-part-3/

java垃圾回收（GC）精华

http://www.importnew.com/11336.html

Throughput:

This is defined as the percentage of total time that is not spent in garbage collection.  I.e.,  [Useful Time] / [Total Execution Time]

Latency:

This is defined as the average of all the [Paused Time] values over the execution of the application.

PS MarkSweep25

PS Scavenge14432