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Recent Posts
System Design: News Aggregator (100K Sources, Dedup, Personalized Ranking)
System Design
Apr 5, 2026 · 86 min
System Design: Dropbox (File Sync, Chunking, and Deduplication)
System Design
Apr 2, 2026 · 69 min
System Design: Object Storage (Erasure Coding, Flat Namespace, and Exabyte Scale)
System Design
Mar 31, 2026 · 54 min
Leadership
VPCommunicating Strategy to Execs
“Lead with business impact. Executives care about revenue, risk, and velocity, not which technology you picked”
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EnterpriseTechnical Program Management
“You need a TPM when your Slack channels are full of 'who owns this?' questions. The role exists to create clarity across organizational seams, not to manage tasks within a single team”
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Discover Today
TiKV
Distributed key-value store that delivers transactions without giving up range scans
WebSocket Gateway
Sits between the load balancer and sync servers, terminating the WebSocket protocol and managing connection lifecycle
Circuit Breakers & Bulkheads
A circuit breaker monitors calls to a downstream service and trips open when failures exceed a threshold. Once open, requests fail immediately without attempting the call. This prevents a failing service from dragging down its callers and cascading the failure across the entire system