Node.js experts needed

We scraped thousand of data per second in node.js and post them to node.js server I want better architect on my server. I want to handle to multiple hundred of request properly and supply them to mobile client as per needs. DataGrabber app:- 1. It received those curl/post request from API and insert into MongoDB or MySQL Runtime using Node,js scripts..Redis a better option here? We received more than thousand request a second, which mechanism handle that with best architectural technology, let me know your thoughts? Open with any other solutions. 2. [login to view URL] required on DataGrabber app when new row inserted and we emit specific data say last recent 50 rows to some other client app