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Hession反序列化导致CPU占用飙高 #351
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我们在生产环境也遇到这个问题,现象是服务提供者耗时就1~2ms,但消费者耗时偶发性的2s超时。最开始通过链路跟踪看到耗时在网络,怀疑是网络重传包引起,TCP监控看到有一些异常但不明显,通过
完整的异常日志:
从异常日志看到是Dubbo消费者的Netty客户端工作者线程( 我们准备在 |
嗯,就是这样解决 |
[握手] 既然问题根源已找到,这个Issue就关闭了吧 @ghsau |
请问这个问题在哪个版本解决的? |
@aacaiweiming fix performance overhead caused by too much unknown classloading during hessian2 deserialization |
com.alibaba.com.caucho.hessian.io.SerializerFactory getDeserializer
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