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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/08/08 19:10:00 UTC

[jira] [Created] (ARROW-6180) [C++] Create InputStream that references a read-only segment of a RandomAccessFile

Wes McKinney created ARROW-6180:
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             Summary: [C++] Create InputStream that references a read-only segment of a RandomAccessFile
                 Key: ARROW-6180
                 URL: https://issues.apache.org/jira/browse/ARROW-6180
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney


If different threads wants to do buffered reads over different portions of a file (and they are unable to create their own separate file handles), they may clobber each other. I would propose creating an object that keeps the RandomAccessFile internally and implements the InputStream API in a way that is safe from other threads changing the file position



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