Cong Yue

I believe your setting should be ``` [client] user = mysqld_exporter password = "xxxxxxxx" host=xx.xxx.xxx.xx ssl-ca=/dir/client-ssl/server-ca.pem ssl-key=/dir/client-ssl/client-key.pem ssl-cert=/dir/client-ssl/client-cert.pem ``` it is parsing the ini file as https://github.com/prometheus/mysqld_exporter/blob/5667073df941d157758479df44cbaafddf76fef1/mysqld_exporter.go#L126. so it needs...

wow. this is the case for me as well. I am wondering why we can not use '#' in this app? Now I have to create the use without '#'...

Thanks for the info. awesome. btw, I think people may use [hor-warm architecture](https://www.elastic.co/blog/hot-warm-architecture-in-elasticsearch-5-x) so that it can be one ES cluster to handle both read/write.