Reynold Xin created SPARK-7078:
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Summary: Cache-friendly in-memory sort on compact tuples
Key: SPARK-7078
URL: https://issues.apache.org/jira/browse/SPARK-7078
Project: Spark
Issue Type: New Feature
Reporter: Reynold Xin
Assignee: Josh Rosen
A cache-friendly sort algorithm that can be used eventually for:
* sort-merge join
* shuffle
See the old alpha sort paper:
http://research.microsoft.com/pubs/68249/alphasort.doc
Note that state-of-the-art for sorting has improved quite a bit, but we can
easily optimize the sorting algorithm itself later.
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