[jira] [Created] (IMPALA-6636) Use async IO in ORC scanner

[Quanlong Huang (JIRA)]

Quanlong Huang created IMPALA-6636:
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             Summary: Use async IO in ORC scanner
                 Key: IMPALA-6636
                 URL: https://issues.apache.org/jira/browse/IMPALA-6636
             Project: IMPALA
          Issue Type: Improvement
            Reporter: Quanlong Huang


Though ORC-262 has no progress, we can still prefech data and let the ORC lib 
reading from an in-memory InputStream.



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