Sergey Shelukhin created HIVE-17424:
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Summary: LLAP Parquet caching v2: IO elevator support
Key: HIVE-17424
URL: https://issues.apache.org/jira/browse/HIVE-17424
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
It would be nice to move the reading, decompression etc. onto the IO
threadpool. That would require some refactoring in Parquet codebase, or a
considerable amount of duplicate logic. ORC path has a little bit of both - a
lot is reused from ORC project but some logic (not code) to read the file is
duplicated. Not sure how practical/acceptable to the community the refactoring
might be in Parquet.
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