lake: update dsn to tidbcloud.com (#22838)

Author: lilin90

tidb-cloud-lake/guides/connect-using-bendsql.md

@@ -194,7 +194,7 @@ databend[+flight]://user[:password]@host[:port]/[database][?sslmode=disable][&ar
 lake://root:@localhost:8000/?sslmode=disable&presign=detect
 
 # {{{ .lake }}} connection with tenant and warehouse info
-lake://user1:password1@tnxxxx--default.gw.aws-us-east-2.default.databend.com:443/benchmark?enable_dphyp=1
+lake://user1:password1@tnxxxx--default.gw.aws-us-east-2.default.tidbcloud.com:443/benchmark?enable_dphyp=1
 
 # Local connection using FlightSQL API
 lake+flight://root:@localhost:8900/database1?connect_timeout=10
@@ -211,7 +211,7 @@ The best practice for connecting to {{{ .lake }}} is to obtain your DSN from {{{
 3. Your DSN will be automatically generated in the **Examples** section. Below the DSN, you'll find a BendSQL snippet that exports the DSN as an environment variable named `BENDSQL_DSN` and launches BendSQL with the correct configuration. You can copy and paste it directly into your terminal.
 
     ```bash title='Example'
-    export BENDSQL_DSN="lake://cloudapp:******@tn3ftqihs.gw.aws-us-east-2.default.databend.com:443/information_schema?warehouse=small-xy2t"
+    export BENDSQL_DSN="lake://cloudapp:******@tn3ftqihs.gw.aws-us-east-2.default.tidbcloud.com:443/information_schema?warehouse=small-xy2t"
     bendsql
     ```
 

tidb-cloud-lake/guides/connection-overview.md

@@ -19,7 +19,7 @@ summary: TiDB Cloud Lake supports multiple connection methods to suit different
 
 | Deployment | Format |
 |------------|--------|
-| **{{{ .lake }}}** | `lake://<user>:<pass>@<tenant>.gw.<region>.default.databend.com:443/<db>?warehouse=<name>` |
+| **{{{ .lake }}}** | `lake://<user>:<pass>@<tenant>.gw.<region>.default.tidbcloud.com:443/<db>?warehouse=<name>` |
 
 > **Tip:**
 >

tidb-cloud-lake/guides/grafana.md

@@ -73,7 +73,7 @@ Every column except the timestamp and line column becomes a LogQL label.
 1. Log in to your {{{ .lake }}} account.
 
 2. On the dashboard, click **Connect** to view the connection information. Note down:
-   - **Host**: The warehouse endpoint (e.g., `tnxxxxxxx.gw.aws-us-east-2.default.databend.com`)
+   - **Host**: The warehouse endpoint (e.g., `tnxxxxxxx.gw.aws-us-east-2.default.tidbcloud.com`)
    - **User**: Your username (typically `cloudapp`)
    - **Password**: Your password or API key
    - **Database**: The database name containing your log table
@@ -165,7 +165,7 @@ allow_loading_unsigned_plugins = databend-datasource
 
 3. Input the `DSN` field for your {{{ .lake }}} instance. For example:
 
-    {{{ .lake }}}: `lake://cloudapp:******@tnxxxxxxx.gw.aws-us-east-2.default.databend.com:443/default?warehouse=xsmall-fsta`
+    {{{ .lake }}}: `lake://cloudapp:******@tnxxxxxxx.gw.aws-us-east-2.default.tidbcloud.com:443/default?warehouse=xsmall-fsta`
 
 4. Optionally, input the `SQL User Password` field to override the password in the `DSN` field.
 

tidb-cloud-lake/guides/track-metrics.md

@@ -56,7 +56,7 @@ CREATE USER metrics IDENTIFIED BY 'metrics_password';
     | ------------------- | ------------------------------------------------ | ------------------------------------------------- |
     | `<USERNAME>`        | The username for the SQL user.                   | `metrics`                                         |
     | `<PASSWORD>`        | The secure password for the SQL user.            | `metrics_password`                                |
-    | `<TENANT_ENDPOINT>` | The endpoint URL for your {{{ .lake }}} tenant. | `tnxxxxxxx.gw.aws-us-east-2.default.databend.com` |
+    | `<TENANT_ENDPOINT>` | The endpoint URL for your {{{ .lake }}} tenant. | `tnxxxxxxx.gw.aws-us-east-2.default.tidbcloud.com` |
     | `<TENANT_ID>`       | Your tenant's unique identifier.                 | `tnxxxxxxx`                                       |
     | `<PLATFORM>`        | The cloud platform hosting the tenant.           | `aws`                                             |
     | `<REGION>`          | The region where the tenant is hosted.           | `us-east-2`                                       |

tidb-cloud-lake/guides/warehouse.md

@@ -210,7 +210,7 @@ To obtain the connection information for a warehouse:
 {{{ .lake }}} automatically generates your connection string when you click **Connect**:
 
 ```
-lake://<username>:<password>@<tenant>.gw.<region>.default.databend.com:443/<database>?warehouse=<warehouse_name>
+lake://<username>:<password>@<tenant>.gw.<region>.default.tidbcloud.com:443/<database>?warehouse=<warehouse_name>
 ```
 
 Where:

tidb-cloud-lake/tutorials/ingest-kafka-with-bend-ingest.md

@@ -103,7 +103,7 @@ CREATE    TABLE databend_topic (
 
     ```bash
     Welcome to BendSQL 0.19.2-1e338e1(2024-07-17T09:02:28.323121000Z).
-    Connecting to tn3ftqihs--eric.gw.aws-us-east-2.default.databend.com:443 with warehouse eric as user cloudapp
+    Connecting to tn3ftqihs--eric.gw.aws-us-east-2.default.tidbcloud.com:443 with warehouse eric as user cloudapp
     Connected to Databend Query v1.2.626-nightly-a055124b65(rust-1.81.0-nightly-2024-08-27T15:49:08.376336236Z)
     
     cloudapp@(eric)/doc> SELECT * FROM databend_topic;

tidb-cloud-lake/tutorials/ingest-kafka-with-kafka-connect.md

@@ -135,7 +135,7 @@ In this step, you will set up a connector that connects to {{{ .lake }}}.
     }
     ```
 
-4. In the **Networking** step, enter your {{{ .lake }}} warehouse endpoint, such as `xxxxxxxxx--xxx.gw.aws-us-east-2.default.databend.com`.
+4. In the **Networking** step, enter your {{{ .lake }}} warehouse endpoint, such as `xxxxxxxxx--xxx.gw.aws-us-east-2.default.tidbcloud.com`.
 
 5. In the **Sizing** step, set it to **1 task**.