Muhammad Samir Khan created TEZ-3753:
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             Summary: Improve error message in IFile for buffer length overflow
                 Key: TEZ-3753
                 URL: https://issues.apache.org/jira/browse/TEZ-3753
             Project: Apache Tez
          Issue Type: Bug
    Affects Versions: 0.7.1
            Reporter: Muhammad Samir Khan


When a record size is too big and the byte array doubling expansion crosses 2G 
the array size overflows and becomes negative. It would be good to fail the 
code paths saying record is too big so that error is easy to understand for 
users.



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