JVM频繁优化的相关内容

文章 2023-06-16 来自：开发者社区

JVM GC频繁优化

GC频繁优化压力大时GC 12秒一次，需要进行优化。优化前GC约2分钟一次内存到达1.18g，约60%时触发了minorGcjvm参数-Xms2g -Xmx2g -Xmn768m -XX:MaxTenuringThreshold=13优化一观察到使用的内存其实占用率极低，可以适当增加年轻代的大小。-Xmn1g -XX:+PrintGCDetails -Xloggc:…/logs/gc.logGC....

文章 2021-12-27 来自：开发者社区

JVM频繁fullgc优化策略

确定是内存泄漏还是确实内存不够用。前者则修复问题，后者则增加内存如果没有增加内存的条件，则考虑重构优化，比如原来的进程内缓存改为远程缓存，以减少内存使用如果不能通过简单的手段减少内存使用，则需要做架构层面的重构，将功能拆分成多个服务。是内存溢出还是实际有大对象，内存溢出就dump分析解决掉。大对象如果有业务需求，用offheap.

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更新时间 2023-06-21 11:12:34

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Dragonwell

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