Technical DiscussionSystem Design
Adding indexes slows down write operations so how do you balance read speed against insert latency
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4 answers published. Last candidate submission on Sep 12 2026, 3:53pm PDT. Interview question asked to Software Engineers interviewing at Bill.com, Xero, Fractal and other companies. Original question asked: Adding indexes slows down write operations so how do you balance read speed against insert latency. Question last reported by a candidate interviewing at PhonePe for a Software Engineer interview on Sep 24 2026, 9:35pm PDT.