Aerospike @ One of India's Largest Fintech Companies
summary
PhonePe runs Aerospike across 30+ clusters (small three‑node to seven‑node memory clusters and NVMe disk clusters) to serve 200M users and ~180B annualized transaction value, hitting 200k QPS at the edge and sub‑millisecond reads for auth tokens via primer. Hybrid memory/disk topologies power fraud, personalization and growth engines with faceted keys, rolling‑window aggregates and batch reads; cross‑DC replication uses XDR for migrations but bi‑directional active‑active and aggregate conflicts remain work in progress. Also hosts a dynamic code push backend; overall outcome: stable, low‑latency production at scale.
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chapters (30)
- 0:00Introduction
- 2:58Background Story
- 4:19What is PhonePe
- 5:17The 4 Axis
- 6:10PhonePe Scale
- 6:31Defining the Technology Stack
- 9:36What is Aerospike
- 10:02Primer
- 13:19Aerospike
- 14:47Micro Services
- 16:31Topologies
- 19:37Workload
- 21:14Personalization
- 23:05Data Models
- 23:47Traditional Patterns
- 24:17Problems with Traditional Patterns
- 25:02Asset Data Store
- 27:45Special Data
- 28:55Code Push
- 30:12Monitoring
- 31:00Benefits
- 31:37Issues
- 32:51Bidirectional replication
- 34:23Get your memory allocation right
- 36:47Backup tips
- 38:00Containerized environment
- 39:03Gotchas
- 40:18Governance
- 42:32Summary
- 43:16Questions
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