OpenJDK G1GC

最新推荐文章于 2024-05-16 16:14:09 发布

原创最新推荐文章于 2024-05-16 16:14:09 发布 · 1k 阅读

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场景：生产环境k8s 容器 jdk 版本为 OpenJDK 1.8 程序部署启动时出现如下的警告信息：

OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N

解决方案：

内因：

As described in JEP 248, in JDK 9 the default garbage collector will switch from Parallel Garbage Collector (Parallel GC) to G1 Garbage Collector (G1GC).

启动时加入 -XX:ParallelGCThreads=N 参数