apache / apache/servicecomb-java-chassis

微服务调用耗时问题咨询

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Description

调用过程nlsb -> edge (服务A) -> provider(服务B),存在部分(万分之几十) provider 响应只有10ms, 但是edge响应时间800ms左右的请求。edge本身几乎没有处理业务。 类似日志如下
调用时间:2022-12-13 16:24:46.975
一、edge日志:
1. 调用日志
**2022-12-13 16:24:46.975**|transport-vert.x-eventloop-thread-1|DEBUG|LoadBalancerContext.java:getServerFromLoadBalancer:492|c225268d-1e24-4a93-b579-8c15eaa8ae7c|default using LB returned Server: rest://182.10.xx.xxx:8080?sslEnabled=true for request null
2. access.log
2022-12-13 16:24:46.973|182.10.xxx.0=xx|"POST /rtd/kbz_fraud_prevention/kbz_fraud_prevention/P2P_Verify/1.0/verify HTTP/1.1"|200|c225268d-1e24-4a93-b579-8c15eaa8ae7c|**823**

二、provider日志access.log
**2022-12-13 16:24:46.976**|182.10.xx.xxx|"POST /risk-api/v1/kbz_fraud_prevention/P2P_Verify/predict HTTP/1.1"|200|c225268d-1e24-4a93-b579-8c15eaa8ae7c|**10**

edge的CPU及内存使用都不足50%
可能是什么原因导致的呢?

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