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[Review] Parquet reader multithread

Open wmalpica opened this issue 7 years ago • 0 comments

This pull request is ontop of the parquet-reader branch pull request. It uses the same APIs, but it will read all column and rowgroups in parallel using a number of threads up to hardware_concurrency. This PR also contains some improvements to the file_reader-test unit test and a bug fix

wmalpica avatar Sep 19 '18 20:09 wmalpica