Unverified50% confidenceFactExact time
G1 has been the default garbage collector since Java 9, but the JVM will use the Serial collector when there is only 1 CPU or memory is below 1792 MB.
1
Sources
50%
Confidence
Long-term
Relevance
9/18/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedG1 GC is currently the default garbage collector of the JVM, striking a balance between throughput and pause time.76% similarUnverifiedOn small machines, G1's memory footprint is comparable to Serial's, with slightly lower throughput, but better maximum latency performance.67% similarUnverifiedG1GC has been the default garbage collector since JDK 9, designed to provide predictable low pause times on large heaps.66% similarUnverifiedJVM默认配置下堆内存通常预分配为物理内存的1/461% similarUnverified分代垃圾回收器（如G1、ZGC、Shenandoah）能在数百GB堆内存下实现亚毫秒级停顿59% similar
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