Nice. I like that, thank you Etienne. I also did a quick check and found
this, which looks pretty recent, and pretty good...
https://community.cloudera.com/t5/Community-Articles/Jolt-quick-reference-for-Nifi-Jolt-Processors/ta-p/244350

On Thu, Dec 5, 2019 at 9:04 AM Etienne Jouvin <[email protected]>
wrote:

> On "official site" ;)
>
> https://jolt-demo.appspot.com/#inception
>
> Le jeu. 5 déc. 2019 à 15:01, James McMahon <[email protected]> a
> écrit :
>
>> Absolutely. I am going to do that. When you started working with it, were
>> there any particularly helpful examples of its application you used to
>> learn it that you recommend?
>>
>> On Thu, Dec 5, 2019 at 8:57 AM Etienne Jouvin <[email protected]>
>> wrote:
>>
>>> Hello.
>>>
>>> You are right. If it works and you are satisfied, you should keep your
>>> solution.
>>> By the wya JoltTransformation may be difficult at the very beginning.
>>> But it is very powerful and with some pratice, it begins to be easy.
>>>
>>> For study, you may give it a try.
>>>
>>> Regards.
>>>
>>> Etienne Jouvin
>>>
>>> Le jeu. 5 déc. 2019 à 14:40, James McMahon <[email protected]> a
>>> écrit :
>>>
>>>> Hello Etienne. Yes, Matt may have mentioned that approach and I started
>>>> to look into it.
>>>>
>>>> My initial thought was this: is it much of a savings? My rudimentary
>>>> process works in three process steps - each simple in configuration. The
>>>> JoltTransformationJSON would eliminate only one processor, and it looks
>>>> fairly complex to configure. It appears to require a Custom Transformation
>>>> Class Name, a Custom Module Directory, and a Jolt Specification. For folks
>>>> who have done it before those may be an afterthought. But as is often the
>>>> case with NiFi, if you've never used a processor sometimes it is hard to
>>>> find concrete examples to configure NiFi processors, services, schemas, etc
>>>> etc. I opted to take the more familiar path, not being familiar with the
>>>> Jolt transformation processor.
>>>>
>>>> Am happy to learn and will see if there's much out there in way of
>>>> examples to configure JoltTransformationJSON. For now I'll use my less
>>>> elegant solution that works gets me where i need to be: pumping data
>>>> through my production system.
>>>>
>>>> Good suggestion. Thanks again.
>>>>
>>>> On Thu, Dec 5, 2019 at 8:20 AM Etienne Jouvin <[email protected]>
>>>> wrote:
>>>>
>>>>> Hello.
>>>>>
>>>>> Why don't you use a JoltTransformation process first to produce
>>>>> multiple element in JSON according value in the array, and duplicate 
>>>>> common
>>>>> attributes for all.
>>>>> And then, you do the split.
>>>>>
>>>>> Etienne
>>>>>
>>>>>
>>>>>
>>>>>

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