bbende commented on issue #3222: NIFI-5900 Added StreamingJsonReader. URL: https://github.com/apache/nifi/pull/3222#issuecomment-447864722 @MikeThomsen are you saying that your 25GB JSON file got an OOM (or some error) when using ConvertRecord with JsonTreeReader? I'm curious since JsonTreeReader should also be "streaming" in that it reads record by record, so just want to understand how this is different. Part of the issue is if a single record has a field that is then a list/array which is huge, like your example, I don't see how you avoid reading that all into memory because you have to return a Record instance from the reader with all that data in it.
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