KAFKA-17728 Add missing config replica-directory-id to raft README (#…

…17518)

Reviewers: Chia-Ping Tsai <[email protected]>

raft/README.md

@@ -7,7 +7,7 @@ This is used by Apache Kafka in the KRaft (Kafka Raft Metadata) mode. We
 also have a standalone test server which can be used for performance testing. We describe the details to set this up below.
 
 ### Run Single Quorum ###
-    bin/test-kraft-server-start.sh --config config/kraft.properties
+    bin/test-kraft-server-start.sh --config config/kraft.properties --replica-directory-id b8tRS7h4TJ2Vt43Dp85v2A
 
 ### Run Multi Node Quorum ###
 Create 3 separate KRaft quorum properties as the following:
@@ -41,9 +41,9 @@ Create 3 separate KRaft quorum properties as the following:
 
 Open up 3 separate terminals, and run individual commands:
 
-    bin/test-kraft-server-start.sh --config config/kraft-quorum-1.properties
-    bin/test-kraft-server-start.sh --config config/kraft-quorum-2.properties
-    bin/test-kraft-server-start.sh --config config/kraft-quorum-3.properties
+    bin/test-kraft-server-start.sh --config config/kraft-quorum-1.properties --replica-directory-id b8tRS7h4TJ2Vt43Dp85v2A
+    bin/test-kraft-server-start.sh --config config/kraft-quorum-2.properties --replica-directory-id Nkij_D9XRiYKNb41SiJo7Q
+    bin/test-kraft-server-start.sh --config config/kraft-quorum-3.properties --replica-directory-id 4-e97nI7eHPYKfEDtW8rtQ
 
 Once a leader is elected, it will begin writing to an internal
 `__raft_performance_test` topic with a steady workload of random data.