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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2022/12/27 09:44:25 UTC

[GitHub] [apisix] xionghanhan opened a new issue, #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

xionghanhan opened a new issue, #8576:
URL: https://github.com/apache/apisix/issues/8576

   ### Description
   
   试了两种情况
   1.直接客户端并发调用超过200，不经过网关，不会报这个rpc error: code = Unavailable desc = the connection is draining错误。
   2.经过apisix网关转发调用，超过并发200就会报这个rpc error: code = Unavailable desc = the connection is draining错误。
   我怀疑是连接池的配置问题，但是我修改连接池的参数，并发的次数还是超过200就会报错，所以很疑惑，期望可以解答一下。
   
   
   
   ### Environment
   
   1.使用docker部署的apisix。
   2.docker部署两个grpc服务
   3.镜像版本：apache/apisix:2.12.0-alpine
   4.apisix-dashboard配置如下图
   ![image](https://user-images.githubusercontent.com/79395110/209646751-78456647-49b6-4fb1-80f4-959f2588620b.png)
   


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[GitHub] [apisix] An-DJ commented on issue #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

Posted by GitBox <gi...@apache.org>.
An-DJ commented on issue #8576:
URL: https://github.com/apache/apisix/issues/8576#issuecomment-1366411910

   @spacewander plz assign to me.


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[GitHub] [apisix] monkeyDluffy6017 closed issue #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

Posted by "monkeyDluffy6017 (via GitHub)" <gi...@apache.org>.
monkeyDluffy6017 closed issue #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining
URL: https://github.com/apache/apisix/issues/8576


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[GitHub] [apisix] xionghanhan commented on issue #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

Posted by GitBox <gi...@apache.org>.
xionghanhan commented on issue #8576:
URL: https://github.com/apache/apisix/issues/8576#issuecomment-1370450405

   OK, thanks.


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[GitHub] [apisix] An-DJ commented on issue #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

Posted by GitBox <gi...@apache.org>.
An-DJ commented on issue #8576:
URL: https://github.com/apache/apisix/issues/8576#issuecomment-1367262292

   @xionghanhan 
   Basiclly that problem is caused by the `failfast` of gRPC (https://github.com/grpc/grpc-go/issues/2205).
   
   Apisix supports configuring nginx directly:
   https://github.com/apache/apisix/blob/master/docs/en/latest/customize-nginx-configuration.md
   
   So you can set `http2_max_requests 10000` or a larger number in `conf/config.yaml` to solve this like below:
   
   ```
   nginx_config:
     http_server_configuration_snippet: |
         keepalive_requests 10000;
   ```
   
   Or try to use `grpc.FailFast(false)` to switch off the failfast, refering https://github.com/grpc/grpc-go/issues/2205.


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[GitHub] [apisix] An-DJ commented on issue #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

Posted by GitBox <gi...@apache.org>.
An-DJ commented on issue #8576:
URL: https://github.com/apache/apisix/issues/8576#issuecomment-1367036058

   @xionghanhan Could u please offer the logs after ur test? e.g. `logs/error.log` and `logs/access.log`


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[GitHub] [apisix] spacewander commented on issue #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #8576:
URL: https://github.com/apache/apisix/issues/8576#issuecomment-1366405446

   @An-DJ 
   Could you take a look? Thanks!


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