Prasanth J created HIVE-7250:
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Summary: Adaptive compression buffer size for wide tables in ORC
Key: HIVE-7250
URL: https://issues.apache.org/jira/browse/HIVE-7250
Project: Hive
Issue Type: Improvement
Components: File Formats
Affects Versions: 0.14.0
Reporter: Prasanth J
Assignee: Prasanth J
If the input table is wide (in the order of 1000s), ORC compression buffer size
overhead becomes significant causing OOM issues. To overcome this issue, buffer
size should be adaptively chosen based on the available memory and the number
of columns.
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