Prasanth J created HIVE-7219:
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Summary: Improve performance of serialization utils in ORC
Key: HIVE-7219
URL: https://issues.apache.org/jira/browse/HIVE-7219
Project: Hive
Issue Type: Improvement
Components: File Formats
Affects Versions: 0.14.0
Reporter: Prasanth J
Assignee: Prasanth J
ORC uses serialization utils heavily for reading and writing data. The
bitpacking and unpacking code in writeInts() and readInts() can be unrolled for
better performance. Also double reader/writer performance can be improved by
bulk reading/writing from/to byte array.
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