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I am trying to tune G1 GC in my application (using Java 1.8.0_66; Java HotSpot(TM) 64-Bit Server VM), by utilizing the visualgc plugin of jvisualvm (also in version of 1.8.0_66).

However, I failed to read any information related to G1 from the profiling figure below.

visualgc for g1

How to interpret the figure in terms of G1?

hengxin
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  • gclog will provide more info. Did you check that file too? – Ravindra babu Dec 28 '15 at 08:55
  • @ravindra Not yet. I will. It seems that `visualgc` does not support G1 gc. – hengxin Dec 28 '15 at 09:04
  • what kind of information are you looking for? i mean there has to be a reason why you're looking at it in the first place. graphs can be analyzed for many different details. surely you don't expect an exhaustive enumeration of all possibilities. also, as @ravindra says, GC logs (`-XX:+PrintGCDetails`) are generally more useful. – the8472 Dec 28 '15 at 14:47

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