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JVM Memory Model and GC PDF 下载
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Hotspot Memory Structure - Terminologies
Oracle Confidential – Internal/Restricted/Highly Restricted 7 The Young Generation is where all new objects are allocated and aged.
When the young generation fills up, this causes a minor garbage
collection. Minor collections can be optimized assuming a high object
mortality rate. A young generation full of dead objects is collected very
quickly. Some surviving objects are aged and eventually move to the old
generation.
Stop the World Event - All minor garbage collections are "Stop the
World" events. This means that all application threads are stopped until
the operation completes. Minor garbage collections are always Stop the
World events.
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