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    • Release Note:
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      The DataStream#split() operation has been removed after being marked as deprecated for a couple of versions. Please use Side Outputs instead: https://ci.apache.org/projects/flink/flink-docs-stable/dev/stream/side_output.html
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      The DataStream#split() operation has been removed after being marked as deprecated for a couple of versions. Please use Side Outputs instead: https://ci.apache.org/projects/flink/flink-docs-stable/dev/stream/side_output.html

      Description

      DataStream#split() has been deprecated in favour of using Side Outputs because:

      • It is less performant, split() creates and checks against Strings for the splitting logic.
      • split() was and is buggy : see FLINK-5031 and FLINK-11084, for example
      • The semantics of consecutive splits are not very clear in general.
      • Side outputs are more general and everything that could be done using split() can be achieved with side outputs with strictly better performance.

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            • Assignee:
              dwysakowicz Dawid Wysakowicz
              Reporter:
              dwysakowicz Dawid Wysakowicz

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