[GitHub] [pulsar] horizonzy commented on a diff in pull request #18672: [fix][broker] Fix PulsarRegistrationClient and ZkRegistrationClient not aware rack info problem.

[GitBox <gi...@apache.org>]

horizonzy commented on code in PR #18672:
URL: https://github.com/apache/pulsar/pull/18672#discussion_r1050324646


##########
pulsar-broker-common/src/main/java/org/apache/pulsar/bookie/rackawareness/BookieRackAffinityMapping.java:
##########
@@ -133,6 +137,28 @@ public synchronized void setConf(Configuration conf) {
         }
     }
 
+    private void watchAvailableBookies() {
+        BookieAddressResolver bookieAddressResolver = getBookieAddressResolver();
+        if (bookieAddressResolver instanceof DefaultBookieAddressResolver) {
+            try {
+                Field field = DefaultBookieAddressResolver.class.getDeclaredField("registrationClient");
+                field.setAccessible(true);
+                RegistrationClient registrationClient = (RegistrationClient) field.get(bookieAddressResolver);
+                registrationClient.watchWritableBookies(versioned -> {
+                    try {
+                        racksWithHost = bookieMappingCache.get(BOOKIE_INFO_ROOT_PATH).get()

Review Comment:
   It's pure memory operation, won't block



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: commits-unsubscribe@pulsar.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org