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Posted to dev@flink.apache.org by "Piotr Nowojski (JIRA)" <ji...@apache.org> on 2018/07/03 09:54:00 UTC

[jira] [Created] (FLINK-9717) Flush state of one side of the join if other side is bounded

Piotr Nowojski created FLINK-9717:
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             Summary: Flush state of one side of the join if other side is bounded
                 Key: FLINK-9717
                 URL: https://issues.apache.org/jira/browse/FLINK-9717
             Project: Flink
          Issue Type: Sub-task
          Components: Table API &amp; SQL
    Affects Versions: 1.5.0
            Reporter: Piotr Nowojski


Whenever one side of join receives {{MAX_WATERMARK}}, other side in joins (both normal and versioned joins) could flush the state from other side.

This highly useful optimisation that would speed up versioned joins and would allow normal joins of large unbounded streams with bounded tables (for example some static data).



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