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I am new to MongoDB. I have worked on Legacy Mainframe and DB2.
I have created a Pipeline through Aggregation Builder in MongoDB Compass. I need to export the result set of my Aggregation Query in a 'json' file. The result should be download the same way we download the 'Filter' result set in a 'json' file using the 'Export Collection' button. For that, I though of creating a 'View' of my Pipeline and Export the 'View'. But as soon as I open the 'View' in Compass, it throws an error "Exceeded memory limit for $group, but didn't allow external sort. Pass allowDiskUse:true to opt in". Please help.

Mohit Aggarwal
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  • You need to pass `{allowDiskUse : true }` as an option. Refer to this https://www.mongodb.com/community/forums/t/allowdiskuse-setting-in-compass/11851/4 – Hussam Feb 16 '22 at 09:35

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