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SCALER POD 14 - Rahul Chari, Founder & CTO, PhonePe | UPI & India's Digital Payments Revolution

Scaler Pod - The Software Engineer's Podcast

CHAPTER

The Pros and Cons of a Shared Nothing Architecture for Phone Pay Tech

It's very, very difficult to start doing performance profiling for scale events like Big Billion Day if you actually allow for that. A peer-to-peer system would have a significantly higher scale and not any more much in terms of this is gone up but in the early days compared to say a recharge which would be significantly higher compared to a bill payment. We went with a very strong shared nothing architecture which meant that we were very chatty. So internally we'd be extremely chatty. And I think there have been times where possibly I have not done justice to my mobile engineering team because they actually then have to go through this whole thing of calling many APIs having to do a large amount of

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