heesung-sn commented on code in PR #19730:
URL: https://github.com/apache/pulsar/pull/19730#discussion_r1131555345


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pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/store/TableViewLoadDataStoreImpl.java:
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@@ -61,30 +70,58 @@ public CompletableFuture<Void> removeAsync(String key) {
 
     @Override
     public Optional<T> get(String key) {
+        validateTableViewStart();

Review Comment:
   When ExtensibleLoadManager.start() and playLeader() are complete, then 
topBundlesLoadStore.validateTableViewStart() should never fail from the leader 
broker(from UnloadScheduler).
   
   Currently, follower brokers should never access 
topBundlesLoadDataStore.tableview, and if they do, we should throw an exception 
in this case instead of re-initializing the tableView(followers don't run 
UnloadScheduler).
   
   I also moved the UnloadScheduler.start()/close() logic into the playLeader() 
and playFollower().
   
   



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