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Posted to commits@servicecomb.apache.org by GitBox <gi...@apache.org> on 2020/11/11 02:58:53 UTC

[GitHub] [servicecomb-java-chassis] solitudeycq opened a new issue #2046: 微服务调用偶现490问题探究

solitudeycq opened a new issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046


   服务A调用服务B的微服务接口偶现490，服务A已开启metrics日志，在日志中有如下数据：
   ![image](https://user-images.githubusercontent.com/8385941/98759761-bb914780-240c-11eb-8a98-e437e133f2bf.png)
   可以看到detail里边的信息都是0，请问这种情况可能是什么问题？是请求没有发出去吗？


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[GitHub] [servicecomb-java-chassis] solitudeycq commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

solitudeycq commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-725192834


   CSE的版本是1.2.0.B007r7。微服务B无访问日志，微服务A的报错日志如下：
   ![image](https://user-images.githubusercontent.com/8385941/98768769-d2d73180-241a-11eb-827a-9fc57bad2cd1.png)
   


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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

liubao68 commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-727699053


   provider / consumer 都有配置 idleTimeoutInSeconds ， 默认值分别为 60s 和 30s 。 建议不要修改这个值，超时时间设置也不要大于 30s， 除非实在没解决办法了。 
   
   配置参考：
   
   https://docs.servicecomb.io/java-chassis/zh_CN/config-reference/rest-transport-client/


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[GitHub] [servicecomb-java-chassis] liubao68 edited a comment on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

liubao68 edited a comment on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-725098908


   查看日志， 490 的时候， 日志里面有显示什么具体异常信息吗？ 不同的异常信息， 原因可能不同。 另外需要看下你用的版本，记得早期版本在超时/重试的情况下， 统计的时间有误。不过时间有点久了， 我从历史记录找不到哪个issue了。 


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[GitHub] [servicecomb-java-chassis] solitudeycq edited a comment on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

solitudeycq edited a comment on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-725192834


   微服务B无访问日志，微服务A的报错日志如下：
   ![image](https://user-images.githubusercontent.com/8385941/98768769-d2d73180-241a-11eb-827a-9fc57bad2cd1.png)
   


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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

liubao68 commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-726569811


   超时问题不好定位，需要多观察下，看看问题发生的场景和频率。 


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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

liubao68 commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-725098908


   查看日志， 490 的时候， 日志里面有显示什么具体异常信息吗？ 不同的异常信息， 原因可能不同。 另外需要看下你用的版本，记得早期版本在超时/重试的情况下， 统计的时间有误。不过和历史记录找不到哪个issue了。 


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[GitHub] [servicecomb-java-chassis] solitudeycq commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

solitudeycq commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-725192895


   @liubao68 


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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

liubao68 commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-726548505


   日志显示是调用超时。 超时的情况metrics可能显示有误。 
   
   超时的原因，需要继续结合 provider 的情况分析，比如负载是不是高，超过系统处理能力、网络是否故障等。 
   
   BTW: 提交 issue 请勿截图。 参考 [说明](https://github.com/apache/servicecomb-java-chassis/wiki)


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[GitHub] [servicecomb-java-chassis] liubao68 edited a comment on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

liubao68 edited a comment on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-726548505


   日志显示是调用超时。 超时的情况metrics可能显示有误。 这个需要升级到 2.1.x 版本才能够解决。 
   
   超时的原因，需要继续结合 provider 的情况分析，比如负载是不是高，超过系统处理能力、网络是否故障等。 
   
   BTW: 提交 issue 请勿截图。 参考 [说明](https://github.com/apache/servicecomb-java-chassis/wiki)


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[GitHub] [servicecomb-java-chassis] solitudeycq edited a comment on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

solitudeycq edited a comment on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-725192834


   版本是2.3.70.4。微服务B无访问日志，微服务A的报错日志如下：
   ![image](https://user-images.githubusercontent.com/8385941/98768769-d2d73180-241a-11eb-827a-9fc57bad2cd1.png)
   


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[GitHub] [servicecomb-java-chassis] solitudeycq commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

solitudeycq commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-726555559


   感谢回复，issue问题后需注意。目前来看，490发生时provider一切正常。


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[GitHub] [servicecomb-java-chassis] solitudeycq commented on issue #2046: 微服务调用偶现490问题探究

Posted by GitBox <gi...@apache.org>.

solitudeycq commented on issue #2046:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2046#issuecomment-726570920


   好的，我看能不能升级下metrics，拿到490时的准确数据。另外请教个问题，idleTimeoutInSeconds，这个参数是不是需要consumer和provider都设置？


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