Panagiotis Garefalakis created HIVE-24703:
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Summary: LLAP move RowGroup reading to StrippePlanner
Key: HIVE-24703
URL: https://issues.apache.org/jira/browse/HIVE-24703
Project: Hive
Issue Type: Sub-task
Reporter: Panagiotis Garefalakis
LlapDataREader is almost identical to ORC's DataREader, however the main issue
the readFileData method of the latter takes a DiskRangeList instead of a
BufferChunkList.
ORC-1.6 uses a separate StripePlanner that reads RowGroups converting them to
BufferChunks while in LLAP we are doing our own custom planning with DiskRanges.
I am opening this ticket to explore moving LLAP to Stripe planning
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