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Gopal V commented on HIVE-7219: ------------------------------- inserted table was sizes in Gb in both modes. > 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 > Attachments: HIVE-7219.1.patch, HIVE-7219.2.patch, HIVE-7219.3.patch, > orc-read-perf-jmh-benchmark.png > > > 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. -- This message was sent by Atlassian JIRA (v6.2#6252)