diaosj opened a new issue #3526:
URL: https://github.com/apache/apisix/issues/3526
### Issue description
I enable the Prometheus plugin and the `access.log` file is filled with
requests from Prometheus.
```
{"remote_addr":"","time_local":"05/Feb/2021:11:11:10
+0800","http_host":"","request":"GET /apisix/prometheus/metrics HTTP/1.1",
"status": 200,"body_bytes_sent": 304059,"request_time":"0.085",
"http_referrer":"","http_user_agent":"Prometheus/2.10.0","upstream_addr":"",
"upstream_status":"","upstream_response_time":"",
"upstream_url":"http://10.199.4.69";, "uin":"","ti_project_id":
,"ti_business_id": , "api_version":"","client_ip":"","event_type":"",
"service":"","action":"","request_id":""}
```
Should I remove these request logs? If so, how to remove them? What is the
best practice?
### Environment
* apisix version (cmd: `apisix version`):2.1
* OS (cmd: `uname -a`): Linux 4.14.105-19-0017 #1 SMP Wed Oct 28 12:13:16
CST 2020 x86_64 x86_64 x86_64 GNU/Linux
* OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):
nginx version: openresty/1.19.3.1
built by gcc 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC)
built with OpenSSL 1.1.1h 22 Sep 2020
TLS SNI support enabled
* etcd version, if have (cmd: run `curl
http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
* apisix-dashboard version, if have:
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