November 2017
Intermediate to advanced
398 pages
10h 14m
English
Content preview from Java 9 High Performance
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The qualities of G1GC
G1GC is a new method that first appeared in JDK 7 Update 4. It was specially designed to work with applications that use memory sizes of over 4 GB. This garbage collector focuses on the working of various threads in order to keep them in separate regions. It can create large heap regions of up to 32 MB.
This garbage collector is, therefore, designed to provide the functionality of removing regions that hold the most garbage elements.
The G1 collector also needs to stop the watch if the heap reduction change has already finished, but the application needs to use more memory. It offers the excellent advantage of compacting the available heap by transferring it according to the age of the objects and marking them out for ...