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LinkedIn
ACTIVE-ACTIVE TRAFFIC MESH • 100.4M RPS TOTAL US-EAST 52M rps EU-WEST 38M rps AP-SOUTH FAILOVER Δ 180ms
Netflix

Multi-Region Active-Active at 100M Requests/Second

Sub-second cross-region failover
#DistributedSystems
IDEMPOTENCY DEDUPLICATION ENGINE EXACTLY-ONCE GUARANTEE API REQUEST Idempotency-Key "req_9a4f2e..." ATOMIC LOCK SETNX SUCCESS TTL: 86,400s LEDGER COMMIT $420.00 CHARGED CACHED REPLAY 0 NEW CHARGES
Stripe

Designing Idempotent APIs: Exactly-Once Processing

Classic system design benchmark
#APIDesign
eBPF HARDWARE-LEVEL PACKET FILTER KERNEL WIRE SPEED 3.8 Tbps ATTACK FLOOD SYN/UDP Amplification XDP_DROP IN NIC DRIVER Inspection: < 14 Nanoseconds Clean traffic → Linux kernel
Cloudflare

Mitigating 3.8 Tbps DDoS Attacks in Kernel Space

Dropped at wire speed in NIC
#Kernel/eBPF
FIGMA VECTOR CANVAS 60.0 FPS · 16.6ms sarah.c++ dylan_wasm koji.crdt WASM C++ Layout · Zero-Copy WebGL
Figma

WebAssembly, CRDTs and Real-Time Multiplayer

60 FPS collaborative canvas
#WebAssembly
GEOSPATIAL H3 INDEX · SCHEMALESS STORAGE 15.8B TRIPS H3: 88283082 2.2x SURGE PICKUP DROPOFF SCHEMALESS LOG cell_001 · ts:1711283000 cell_002 · ts:1711283001 [APPEND] cell_003 · ts:1711283002 [APPEND]
Uber

Schemaless: Uber's Trip Storage at Petabyte Scale

How Uber abandoned MySQL
#Databases
GOOGLE SPANNER · TRUETIME EXTERNAL CONSISTENCY TT.now() t.earliest t.latest UNCERTAINTY ε ≤ 7ms · WAIT-OUT PROTOCOL PAXOS A LEADER PAXOS B
Google

Spanner: Globally-Distributed Database with TrueTime

External consistency via atomic clocks
#DistributedSystems

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High-signal engineering articles from Netflix, Stripe, Cloudflare, Figma, and 600+ teams.

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ACTIVE-ACTIVE TRAFFIC MESH • 100.4M RPS TOTAL US-EAST 52M rps EU-WEST 38M rps AP-SOUTH FAILOVER Δ 180ms
Netflix

Multi-Region Active-Active at 100M Requests/Second

Sub-second cross-region failover
#DistributedSystemsTap to inspect →
IDEMPOTENCY DEDUPLICATION ENGINE EXACTLY-ONCE GUARANTEE API REQUEST Idempotency-Key "req_9a4f2e..." ATOMIC LOCK SETNX SUCCESS TTL: 86,400s LEDGER COMMIT $420.00 CHARGED CACHED REPLAY 0 NEW CHARGES
Stripe

Designing Idempotent APIs: Exactly-Once Processing

Classic system design benchmark
#APIDesignTap to inspect →
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