[jira] [Created] (FLINK-10993) Bring bloomfilter as a public API
vinoyang created FLINK-10993:
Summary: Bring bloomfilter as a public API
Issue Type: New Feature
Components: DataStream API
Flink internally provides an implementation of BloomFilter, but only for internal optimization, and does not provide APIs for public access.
Here is a user mail discussion before : http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Bloom-filter-in-Flink-td10608.html
Considering that many users have the need to "determine duplicates" in streaming computing, I think it would make sense to provide such an API.
In addition, Spark has provided BloomFilter as a public API :
val bf = df.stat.bloomFilter("dd",dataLen,0.01)
val rightNum = rdd.map(x=>(x.toInt,bf.mightContainString(x)))
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