INTERACTIVE / TRADE-OFF ENGINE

Architecture
Decision Lab

Change the constraints. Watch the architecture move. The output is a starting hypothesis—not a substitute for workload-specific measurement.

01 / CONSTRAINTS

Shape the workload

Peak requests / second10,000100 → 1,000,000 QPSAverage payload size2 KB1 KB → 1 MB per eventTarget p99 latencyConsistency requirementRetention period30 days1 → 365 daysGeographic footprint

02 / DECISIONS

Recommended starting point

INGRESS20 MB/suncompressed peak

DAILY DATA1.73 TBbefore compression

RETENTION51.8 TBraw logical volume

PARTITIONS3starting stream width

EDGELoad Balancer

→

COMPUTEStateless Service

→

BUFFERDurable Queue

→

STATEDistributed SQL

D01 / DATA

Distributed SQL / NewSQL

D02 / CACHE

Distributed cache

D03 / STREAM

Kafka-compatible event log

D04 / STORAGE

Object storage archive

D05 / REPLICATION

Synchronous regional replicas

D06 / READ PATH

Cache-aside reads

PRESSURE POINTS

EXPLICIT TRADE-OFFS

NEXT STEP

Defend the choices in an interview.

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