junrao commented on code in PR #17528:
URL: https://github.com/apache/kafka/pull/17528#discussion_r1823113684


##########
storage/src/main/java/org/apache/kafka/storage/internals/log/LogSegment.java:
##########
@@ -409,17 +409,17 @@ public FetchDataInfo read(long startOffset, int maxSize, 
long maxPosition) throw
     }
 
     /**
-     * Read a message set from this segment beginning with the first offset >= 
startOffset. The message set will include
+     * Read a message set from this segment that contains startOffset. The 
message set will include
      * no more than maxSize bytes and will end before maxOffset if a maxOffset 
is specified.
      *
      * This method is thread-safe.
      *
-     * @param startOffset A lower bound on the first offset to include in the 
message set we read
+     * @param startOffset The logical log offset we are trying to read, which 
is a lower bound when startOffset is the base offset of a batch

Review Comment:
   It's probably simpler to just say "The logical log offset we are trying to 
read".



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