docs: update some docs about grafana

GreptimeTeam · Oct 10, 2023 · 5e26346 · 5e26346
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diff --git a/docs/db-cloud-shared/clients/grafana-integration.md b/docs/db-cloud-shared/clients/grafana-integration.md
@@ -1,5 +1,7 @@
 GreptimeDB can be configured as a [Grafana data source](https://grafana.com/docs/grafana/latest/datasources/add-a-data-source/).
 
+There are two general deployment methods of GreptimeDB. GreptimeCloud and self-hosted GreptimeDB. Only GreptimeCloud requires authentication information. The self-hosted GreptimeDB does not support authentication. So when you use your self-hosted GreptimeDB you can ignore filling in the authentication information.
+
 ## Prometheus
 
 Click the Add data source button and select Prometheus as the type.

diff --git a/docs/faq-and-others/faq.md b/docs/faq-and-others/faq.md
@@ -30,10 +30,9 @@ GreptimeDB implements PromQL operator pushdown in our latest distributed version
 
 Yes, It's compatible with Grafana. 
 
-GreptimeDB supports MySQL and PostgreSQL protocol, so you can use [MySQL or PG grafana
-plugin](https://grafana.com/docs/grafana/latest/datasources/mysql/) to config GreptimeDB as a datasource. Then you can use SQL to query the data. 
+GreptimeDB supports MySQL,PostgreSQL and Prometheus protocol, so you can use [MySQL](https://grafana.com/docs/grafana/latest/datasources/mysql/), [PG](https://grafana.com/docs/grafana/latest/datasources/postgres/) and [Prometheus](https://grafana.com/docs/grafana/latest/datasources/prometheus/) grafana plugin to config GreptimeDB as a datasource. Then you can use SQL or PromQL to query the data.
 
-Also, we are implementing PromQL natively which is frequently used with Grafana.
+We are implementing PromQL natively which is frequently used with Grafana. Currently PromQL is not 100% compatible with Prometheus.
 
 ## How does this compare to Loki? Is there a crate with Rust bindings available, preferably as tracing or logging subscriber?
 

diff --git a/docs/zh/db-cloud-shared/clients/grafana-integration.md b/docs/zh/db-cloud-shared/clients/grafana-integration.md
@@ -1,14 +1,16 @@
 
 GreptimeDB 服务可以配置为 [Grafana 数据源](https://grafana.com/docs/grafana/latest/datasources/add-a-data-source/)。
 
+GreptimeDB 一般有两种部署方法。GreptimeCloud 和自托管 GreptimeDB。只有 GreptimeCloud 需要认证信息。自托管 GreptimeDB 不支持身份验证。因此，当您使用自托管 GreptimeDB 时，可以忽略填写验证信息。
+
 ## Prometheus
 
 单击 Add data source 按钮，然后选择 Prometheus 作为类型。
 
 在 HTTP 中填写 Prometheus server URL
 
 - GreptimeCloud 请填写 `https://<host>/v1/prometheus?db=<dbname>`
-- Self-host GreptimeDB 请填写自己的地址，例如：`http://localhost:4000/v1/prometheus?db=<dbname>`
+- 自托管 GreptimeDB 请填写自己的地址，例如：`http://localhost:4000/v1/prometheus?db=<dbname>`
 
 在 Auth 部分中单击 basic auth，并在 Basic Auth Details 中填写 GreptimeDB 的用户名和密码：