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Posted to commits@servicecomb.apache.org by GitBox <gi...@apache.org> on 2022/12/13 09:01:40 UTC
[GitHub] [servicecomb-java-chassis] zhaoqi211 opened a new issue, #3523: 微服务调用耗时问题咨询
zhaoqi211 opened a new issue, #3523:
URL: https://github.com/apache/servicecomb-java-chassis/issues/3523
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**
可能是什么原因导致的呢？
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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #3523: 微服务调用耗时问题咨询
Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #3523:
URL: https://github.com/apache/servicecomb-java-chassis/issues/3523#issuecomment-1367098635
性能和吞吐量并不是所有的考虑因素，调优需要结合你的业务场景和需要达到的目的来评估。 对于大多数场景，使用java chassis的默认值就是最优的选择。
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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #3523: 微服务调用耗时问题咨询
Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #3523:
URL: https://github.com/apache/servicecomb-java-chassis/issues/3523#issuecomment-1348211263
这个文章可以参考下 [快速失败和重试](https://servicecomb.apache.org/references/java-chassis/zh_CN/references-handlers/fail-retry.html)
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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #3523: 微服务调用耗时问题咨询
Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #3523:
URL: https://github.com/apache/servicecomb-java-chassis/issues/3523#issuecomment-1351368240
可以把 verticle-count 改成 8 试试。
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[GitHub] [servicecomb-java-chassis] zhaoqi211 commented on issue #3523: 微服务调用耗时问题咨询
Posted by GitBox <gi...@apache.org>.
zhaoqi211 commented on issue #3523:
URL: https://github.com/apache/servicecomb-java-chassis/issues/3523#issuecomment-1350296814
看metrics日志慢请求基本大部分是耗时在wait response， 比如5,6百毫秒
但是从provider的accesslog看 响应的时间只有几十毫秒
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[GitHub] [servicecomb-java-chassis] zhaoqi211 commented on issue #3523: 微服务调用耗时问题咨询
Posted by GitBox <gi...@apache.org>.
zhaoqi211 commented on issue #3523:
URL: https://github.com/apache/servicecomb-java-chassis/issues/3523#issuecomment-1367097358
> 可以把 verticle-count 改成 8 试试。
为了提高性能，需要尽量使用更大的连接池； 这个有没有个建议值？
并且verticle-count和maxpool 一般如何调优？
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