Performance Tuning · interview question
How does the G1 Garbage Collector achieve its goal of predictable pause times?
Multiple choiceMediumchapter-14-curatedpremiumperformance-tuningoutofmemoryerrors
Answer and explanation
Correct answer
D. By collecting garbage from regions with the most garbage first.
Why
G1 GC divides the heap into many regions and prioritizes the collection of regions with the most reclaimable garbage. This approach helps it achieve more predictable pause times by spreading the workload across smaller, more manageable units.
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