Github user viirya commented on the issue:
https://github.com/apache/spark/pull/17924
From the current benchmark, seems the performance has not obvious
improvement, compared with the vectorized Hive ORC reader #13775.
Maybe with more efficient batch approach as @cloud-fan suggested, it can
perform better.
Besides performance, getting rid of Hive dependency on ORC datasource is a
great advantage for this.
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