[GitHub] [apisix] zwjzxh520 opened a new issue #4080: bug: limit-count

[GitBox]

zwjzxh520 opened a new issue #4080:
URL: https://github.com/apache/apisix/issues/4080


   ### Issue description
   limit-count 中的 count 值未生效，压测时，常常能跑到设置值的3倍左右，比如，count 设置为 2000，发现能跑到 
6000，local 与 redis 均有测试
   
   插件中 redis 操作代码已经根据 #3988 调整
   
   apisix 是跑在 k8s 中，一个 pod
   
   插件配置 
   ```
   {
     "count": 2000,
     "disable": false,
     "key": "remote_addr",
     "policy": "local",
     "time_window": 1
   }
   ```
   
   ### Environment
   
   * apisix version (cmd: `apisix version`):  2.4
   * OS (cmd: `uname -a`): image: *apache/apisix:2.4-alpine*  uname -a : *Linux 
apisix-7bffcdb47d-hxz4l 3.10.0-1127.13.1.el7.x86_64 #1 SMP Tue Jun 23 15:46:38 
UTC 2020 x86_64 Linux*
   * OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):  *nginx 
version: openresty/1.19.3.1*
   * etcd version, if have (cmd: run `curl 
http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):   
*3.4.0*
   * apisix-dashboard version, if have:  commit: *afc3df96c0f7d86bfd20c579*
   
   ### Minimal test code / Steps to reproduce the issue
   
   1.
   2.
   3.
   
   ### What's the actual result? (including assertion message & call stack if 
applicable)
   
![image](https://user-images.githubusercontent.com/2184202/115195590-84dcfd00-a121-11eb-985a-061007fc6938.png)
   
   截图中的 current rps 达到了 6000，而 current failures 才 200 多，预期是 4000
   
   ### What's the expected result?
   QPS 超过 2000 后，正常请求在 2000，超过的均为 503
   
   


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