[jira] [Created] (PARQUET-837) [C++] SerializedFile::ParseMetaData uses Seek, followed by Read, and could have race conditions

[Wes McKinney (JIRA)]

Wes McKinney created PARQUET-837:
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             Summary: [C++] SerializedFile::ParseMetaData uses Seek, followed 
by Read, and could have race conditions
                 Key: PARQUET-837
                 URL: https://issues.apache.org/jira/browse/PARQUET-837
             Project: Parquet
          Issue Type: Bug
          Components: parquet-cpp
            Reporter: Wes McKinney


As described in the PR for ARROW-508 https://github.com/apache/arrow/pull/300, 
the read-at-position should be performed atomically to prevent rare race 
conditions. I would suggest removing the `Seek` method from the input API 
altogether



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