Performance Tuning · interview question
How does ZGC achieve concurrent memory relocation without significant pauses?
Multiple choiceHardchapter-14-curatedpremiumperformance-tuningstop-the-world-pauses
Answer and explanation
Correct answer
D. Using colored pointers and load barriers
Why
ZGC uses colored pointers and load barriers to manage concurrent memory relocation. This allows ZGC to perform most garbage collection tasks concurrently, reducing pause times significantly.
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