danny0405 commented on code in PR #8797:
URL: https://github.com/apache/hudi/pull/8797#discussion_r1206186838


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hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/compact/HoodieCompactor.java:
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@@ -247,6 +256,17 @@ public List<WriteStatus> compact(HoodieCompactionHandler 
compactionHandler,
     }).collect(toList());
   }
 
+  private InstantRange getMetadataLogReaderInstantRange(HoodieTableMetaClient 
metadataMetaClient, String metadataBasePath) {

Review Comment:
   >  Is there any case where C2's log file in MDT is kept for later and it 
will be missed in MDT, since it's in the old file slice?
   
   Good question, the log would then be removed by the MDT cleaner ? So it 
would not be kept forever. When new rollback commit for C2 from data table is 
committed into MDT again, there could be some tumestone records there which 
would be ignored (by default allowed by master codebase).



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