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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 0.12.0
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Component/s: File Formats
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Labels:None
With ORC stripes being large, if a stripe straddles an HDFS block, the locality of read is suboptimal. It would be good to add padding to ensure that stripes don't straddle HDFS blocks.
- contains
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HIVE-5024 Ensure that the requested blocksize for ORC files is a multiple of 512 bytes.
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- Resolved
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- is related to
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HIVE-6326 Split generation in ORC may generate wrong split boundaries because of unaccounted padded bytes
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- Resolved
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- relates to
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HIVE-4123 The RLE encoding for ORC can be improved
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- Closed
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