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lostmsu
on April 12, 2023
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Virtual Threads Arrive in JDK 21, Ushering a New E...
What is so costly about GC roots? Considering the stack is used in a LIFO manner, most stack pages never change.
pron
on April 12, 2023
[–]
They have to be scanned in every collection and G1 scans them in a stop-the-world pause. Other references may not be scanned at all in most collections (partial), and when they are, G1 scans them concurrently. They're less of a problem with ZGC.
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