tidb-lightning: tidb.pd-addr supports multiple addresses

get-started-with-tidb-lightning.md

@@ -79,8 +79,8 @@ The TiDB Lightning installation package is included in the TiDB Toolkit. To down
     password = "rootroot"
     # Table schema information is fetched from TiDB via this status-port.
     status-port = 10080
-    # The PD address of the cluster
-    pd-addr = "172.16.31.3:2379"
+    # The PD address of the cluster. Starting from v7.6.0, TiDB supports setting multiple PD addresses.
+    pd-addr = "172.16.31.3:2379,56.78.90.12:3456"
     ```
 
 4. After configuring the parameters properly, use a `nohup` command to start the `tidb-lightning` process. If you directly run the command in the command-line, the process might exit because of the SIGHUP signal received. Instead, it's preferable to run a bash script that contains the `nohup` command:

tidb-lightning/deploy-tidb-lightning.md

@@ -108,8 +108,8 @@ Refer to the [Download TiDB Tools](/download-ecosystem-tools.md) document to dow
     password = ""
     # Table schema information is fetched from TiDB via this status-port.
     status-port = 10080
-    # An address of pd-server.
-    pd-addr = "172.16.31.4:2379"
+    # An address of pd-server.Starting from v7.6.0, TiDB supports setting multiple PD addresses.
+    pd-addr = "172.16.31.4:2379,56.78.90.12:3456"
     ```
 
     The above only shows the essential settings. See the [Configuration](/tidb-lightning/tidb-lightning-configuration.md#tidb-lightning-global) section for the full list of settings.

tidb-lightning/tidb-lightning-configuration.md

@@ -359,8 +359,8 @@ user = "root"
 password = ""
 # Table schema information is fetched from TiDB via this status-port.
 status-port = 10080
-# Address of any PD server from the cluster.
-pd-addr = "172.16.31.4:2379"
+# Address of any PD server from the cluster. Starting from v7.6.0, TiDB supports setting multiple PD addresses.
+pd-addr = "172.16.31.4:2379,56.78.90.12:3456"
 # tidb-lightning imports TiDB as a library and generates some logs itself.
 # This setting controls the log level of the TiDB library.
 log-level = "error"

tidb-lightning/tidb-lightning-physical-import-mode-usage.md

@@ -67,8 +67,8 @@ user = "root"
 password = ""
 # Required. Table schema information is fetched from TiDB via this status-port.
 status-port = 10080
-# Required. The address of any pd-server from the cluster.
-pd-addr = "172.16.31.4:2379"
+# Required. The address of any pd-server from the cluster. Starting from v7.6.0, TiDB supports setting multiple PD addresses.
+pd-addr = "172.16.31.4:2379,56.78.90.12:3456"
 # tidb-lightning imports the TiDB library, and generates some logs.
 # Set the log level of the TiDB library.
 log-level = "error"