[GitHub] [nifi] arenger commented on issue #3455: NIFI-5900 Add SelectJson processor

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arenger commented on issue #3455: NIFI-5900 Add SelectJson processor
URL: https://github.com/apache/nifi/pull/3455#issuecomment-486864645
 
 
   @ottobackwards This approach (`SelectJson`) is simpler than my original approach (`SplitLargeJson` -- #3414 ) and provides the same system resource advantages, with one exception: If the targeted JSON *excerpts* themselves are large, then I'm fairly certain the `SplitLargeJson` approach would be better.  This is because the `JsonSurfer` library does not provide a means by which to supply an `OutputStream` to its `bind` signature... as far as I can see.
   
   In other words, the required heap space is independent of incoming FlowFile size, for *both* `SelectJson` and `SplitLargeJson`, but if the *outgoing* FlowFile size is also large, then the `SplitLargeJson` approach is currently a better approach, from a system resource perspective.

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