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From "Gyula Fora (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-3193) Add optional bloomfilter to sql state backend
Date Wed, 30 Dec 2015 16:50:49 GMT
Gyula Fora created FLINK-3193:
---------------------------------

             Summary: Add optional bloomfilter to sql state backend
                 Key: FLINK-3193
                 URL: https://issues.apache.org/jira/browse/FLINK-3193
             Project: Flink
          Issue Type: Improvement
          Components: Streaming
            Reporter: Gyula Fora
            Assignee: Gyula Fora


In order to increase the performance of detecting unseen keys, a bloomfilter could be used
before checking the database for any key.

As the bloomfilter's size might be big it should be written efficiently to the non-partitioned
state backend.  



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