Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/350#discussion_r24168441
--- Diff: docs/programming_guide.md ---
@@ -2398,6 +2399,61 @@ of a function, or use the `withParameters(...)`
method to pass in a configuratio
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+Passing parameters to functions
+-------------------
+
+Parameters can be passed to rich functions using either the constructor
(if the function is
--- End diff --
If the function is not serialisable the program will fail in any case. That
is not related to the configuration.
IMO, the documentation should state that the function object is serialised
using standard java serialization and shipped "as-is" to all parallel task
instances. Mentioning that transient fields are not shipped is OK but not
mandatory (somebody who uses the transient keyword should know what it does).
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