xiaoyuan2019

### Search before asking - [X] I had searched in the [issues](https://github.com/deepflowio/deepflow/issues?q=is%3Aissue) and found no similar feature requirement. ### Description 目前要单独新建一个agent-group-config.yaml文件，然后通过deepflow-ctl二进制来应用该文件，才能使配置生效，又要新建独立文件又要依赖于第三方二进制，使用起来非常麻烦，同时该二进制还有高危漏洞，一些客户环境无法使用。 ### Use case 希望将agent-group-config.yaml配置内容合并到agent configmap中，这样在部署agent时就生效了，并且去掉deepflow-ctl二进制，可通过server api接口去查询agent-group配置。 ### Related issues...

### Search before asking - [X] I had searched in the [issues](https://github.com/deepflowio/deepflow/issues?q=is%3Aissue) and found no similar feature requirement. ### DeepFlow Component Grafana Dashbaord ### What you expected to happen 服务端error请求的火焰图显示的时间范围不对，有100多秒、几百多秒的...

### Search before asking - [X] I had searched in the [issues](https://github.com/deepflowio/deepflow/issues?q=is%3Aissue) and found no similar feature requirement. ### Description deepflow官方的dashboard数量众多，不知道使用场景和使用方法，在排查问题的时候还是不知道如何去看数据，建议为每个dashboard增加全局tips注释，或者为每个图形增加描述，比如：DeepFlow Resource、MySQL Tables、Capacity Estimation、DeepFlow Server - Ingester、DeepFlow Server - Controller、ClickHouse...