[jira] [Created] (KAFKA-2903) FileMessageSet's read method maybe has problem when start is not zero

[Pengwei (JIRA)]

Pengwei created KAFKA-2903:
------------------------------

             Summary: FileMessageSet's read method maybe has problem when start 
is not zero
                 Key: KAFKA-2903
                 URL: https://issues.apache.org/jira/browse/KAFKA-2903
             Project: Kafka
          Issue Type: Bug
          Components: log
            Reporter: Pengwei
            Assignee: Jay Kreps


now the code is :
def read(position: Int, size: Int): FileMessageSet = {
   ..... 
    new FileMessageSet(file,
                       channel,
                       start = this.start + position,
                       end = math.min(this.start + position + size, 
sizeInBytes()))
  }

if this.start is not 0, the end is only the FileMessageSet's size, not the 
actually position of end position.
the end parameter should be:
 end = math.min(this.start + position + size, this.start+sizeInBytes())





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