kangkaisen commented on a change in pull request #2781: Batch Operate Rollup 
table in Doris #2671
URL: https://github.com/apache/incubator-doris/pull/2781#discussion_r374515394
 
 

 ##########
 File path: fe/src/main/java/org/apache/doris/alter/RollupJobV2.java
 ##########
 @@ -305,7 +305,9 @@ protected void runWaitingTxnJob() throws 
AlterCancelException {
         if (db == null) {
             throw new AlterCancelException("Databasee " + dbId + " does not 
exist");
         }
-        
+
+        // TODO(wangbo): 2020/2/4 in the case that the 
[WaitingTxnJob|PendingJob] is checkpointed and replayMethod won't be called, 
make sure the tablet meta exists in olapTable and TabletInvertedIndex before 
doris run
 
 Review comment:
   what's the meaning of this comment?
   After checkpoint, we must replay the journal less than checkPointVersion

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