[jira] [Created] (ARROW-6141) [C++] Enable memory-mapping a file region that is offset from the beginning of the file

[Wes McKinney (JIRA)]

Wes McKinney created ARROW-6141:
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             Summary: [C++] Enable memory-mapping a file region that is offset 
from the beginning of the file
                 Key: ARROW-6141
                 URL: https://issues.apache.org/jira/browse/ARROW-6141
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney


Currently {{MemoryMappedFile}} only allows for the entire file to be mapped. 



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