Liya Fan created FLINK-12687:
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Summary: ByteHashSet is always in dense mode
Key: FLINK-12687
URL: https://issues.apache.org/jira/browse/FLINK-12687
Project: Flink
Issue Type: Improvement
Components: Runtime / Operators
Reporter: Liya Fan
Assignee: Liya Fan
Since there are only 256 possible byte values, the largest possible range is
255, and the condition
range < OptimizableHashSet.DENSE_THRESHOLD
must be satisfied. So ByteHashSet must be in dense mode.
We can make use of this to improve the performance and code structure.
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