Shulou(Shulou.com)06/01 Report--

This article will explain in detail what the mind map of JVM garbage collector is like. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

JVM garbage collector mind map, introduces the overview of various garbage collectors, garbage collection algorithms and their characteristics, use scenarios

Mind map download file: (including last java thread)

Address: https://pan.baidu.com/s/1nvK7dJ7

Password: qsea

The difference between G1 and CMS:

1. G1 has advantages in compressing space.

G1 avoids the problem of memory fragmentation by dividing the memory space into Region.

3. Eden,survivor,old is not fixed, so it is more flexible to use memory efficiently.

4. G1 can control the garbage collection time by setting the expected pause time (pause time) to avoid avalanches

5. G1 will do the work of merging free memory immediately after reclaiming memory, while CMS does it at STW by default.

This is the end of this article on "what is the mind map of JVM garbage collector?". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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