Export of lots items from export/import controller

Need Help
#1

Did anyone solve the performance problem with the export/import controller when you have 100k plus records in your table?

#2

What problem? It depends on the efficiency of the model logic.

#3

That is all I got when trying to export about 30k records. Each record has 2-3 extra relationship.

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#4

Try using the chunk method to build an array of simple values. Building an array of models will be memory intensive.