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https://issues.apache.org/jira/browse/FLINK-12730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Richter closed FLINK-12730.
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Resolution: Implemented
Merged in:
master: 14c4b23
> Combine BitSet implementations in flink-runtime
> -----------------------------------------------
>
> Key: FLINK-12730
> URL: https://issues.apache.org/jira/browse/FLINK-12730
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Task
> Reporter: Liya Fan
> Assignee: Liya Fan
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> There are two implementations for BitSet in flink-runtime ocmponent: one is
> org.apache.flink.runtime.operators.util.BloomFilter#BitSet, while the other
> is org.apache.flink.runtime.operators.util.BitSet
> The two classes are quite similar in their API and implementations. The only
> difference is that, the former is based based on long operation while the
> latter is based on byte operation. This has the following consequence:
> # The byte based BitSet has better performance for get/set operations.
> # The long based BitSet has better performance for the clear operation.
> We combine the two implementations and make the best of both worlds.
>
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