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arvind-1
Level 5
November 21, 2022
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Right way to save very big string json

  • November 21, 2022
  • 2 replies
  • 1306 views

Hi Team,

 

AEM : 6.5.12

 

We need to save a very BIG JSON String of size around 3.5 MB, in a node property.

 

What is right way to save? Just as a String data type? or should be saving as a Binary data?

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Best answer by VeenaK

It is better to store the value as binary instead of string, for more improved performance you can upload this as dam file and refer the path of the JSON in a property.

This approach may have its impacts if your application performs search on this property.

So, I recommend to store them as binary as property itself.

Hope this is helpful!!

2 replies

SantoshSai
Community Advisor
SantoshSaiCommunity Advisor
Community Advisor
November 21, 2022

Hi @arvind-1,

Why don't you upload the JSON file as asset (just as you would upload images) and deliver access it as is? - IMHO, this would be the best way to deliver a performant AEM website than saving such a big JSON on node. References [0],[1].

However, to answer your question: 

  1. Write a custom AEM service and then use JCR API to update the node.
    Parse the values from JSON and then use API to update the nodes in the JCR.
    eg.
    //Store content from the client JSP in the JCR
Node custNode = customerRoot.addNode("customer"+firstName+lastName+custId,"nt:unstructured");

    //make sure name of node is unique
custNode.setProperty("id", custId);
custNode.setProperty("firstName", firstName);
custNode.setProperty("lastName", lastName);

References:

[0]: https://blogs.perficient.com/2021/08/16/loading-json-content-into-aem/

[1]: https://aemsimplifiedbynikhil.wordpress.com/2019/10/04/read-write-data-in-json-file-of-dam-in-aem-making-rest-api-call/

[2]: Adobe Experience Manager Help | Persisting Adobe Experience Manager data in the Java Content Reposit... 

  • If the Json data is huge then There are many libraries for serializing/deserializing JSON in java, the most notable is Google’s Gson: https://github.com/google/gson

Hope that helps!

Regards,

Santosh

Santosh Sai
    V
    VeenaKAccepted solution
    Level 4
    November 21, 2022

    It is better to store the value as binary instead of string, for more improved performance you can upload this as dam file and refer the path of the JSON in a property.

    This approach may have its impacts if your application performs search on this property.

    So, I recommend to store them as binary as property itself.

    Hope this is helpful!!

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