use regular file io, not mmap for external sort

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    • Type: Improvement
    • Resolution: Done
    • Priority: Major - P3
    • 2.0.7, 2.2.0-rc0
    • Affects Version/s: None
    • Component/s: Storage
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    • 3
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      much better for memory consumption and performance

              Assignee:
              Eliot Horowitz (Inactive)
              Reporter:
              Eliot Horowitz (Inactive)
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                Created:
                Updated:
                Resolved: