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Posted to dev@arrow.apache.org by "Francois Saint-Jacques (Jira)" <ji...@apache.org> on 2019/10/22 18:14:00 UTC

[jira] [Created] (ARROW-6969) [C++][Dataset] ParquetScanTask eagerly load file

Francois Saint-Jacques created ARROW-6969:
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             Summary: [C++][Dataset] ParquetScanTask eagerly load file 
                 Key: ARROW-6969
                 URL: https://issues.apache.org/jira/browse/ARROW-6969
             Project: Apache Arrow
          Issue Type: Improvement
            Reporter: Francois Saint-Jacques


The file content should only be read when invoking ParquetScanTask::Scan, not on construction. This blocks reading in a true streaming fashion with memory constraints.



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