JVM 内存预警排查
问题:JVM 内存频繁预警,内存规律性波动。



一. 查看JVM 的GC Collector:Young GC:PS Scavenge | Full GC:PS MarkSweep
PS Scavenge 新生代的收集器,也叫 Parallel Scavenge。

PS MarkSweep 老生代的收集器,也叫 Serial Old。

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