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redis kafka paxos
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hekuangsheng committed Jul 13, 2021
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> 3.RPC连接使用完后未关闭:
> 4.堆外内存泄露:首先开启-XX:NativeMemoryTracking=detail显示的内存不包含C++分配的内存(为了快速验证是否DirectByteBuffer导致内存泄露,可使用参数-XX:MaxDirectMemorySize限制DirectByteBuffer分配的堆外内存大小,如果堆外内存仍然大于MaxDirectMemorySize,可基本排除DirectByteBuffer导致的内存泄露)
> 5.Java调用C++组件:
> 性能优化:
> 1.arthas:开始perf: profiler start,采样一段时间后,停止perf: profiler stop。热点函数避免使用lambda表达式如stream.collect等
> 2.jaeger:
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