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From Shivram Mani <shivram.m...@gmail.com>
Subject [Propose] New PXF profile optimized for ORC (predicate pushdown)
Date Tue, 05 Jul 2016 19:01:29 GMT
I've created the following jira HAWQ-866
<https://issues.apache.org/jira/browse/HAWQ-886> which is focussed on
improving/enhancing the existing PXF profile to read ORC files. The goal is
to make use of the underlying ORC reader's capability of supporting
predicate push-down among others.

Presto has also contributed an alternative ORC reader which provides both
predicate push down and Lazy reads
https://code.facebook.com/posts/370832626374903/even-faster-data-at-the-speed-of-presto-orc/
.

Will be evaluating both the options as part of this effort.


-- 
shivram mani

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