Case Study // SNS

SNS
AT SCALE.

SNS is push-based pub/sub. It fans out messages from producers to many subscribers (Lambda, SQS, HTTP/S, email, SMS, mobile push, etc.). Power: - Push delivery (no polling) - Fan-o

Client Overview

Operational Challenges

Engineering teams needed predictable performance, lower risk, and cleaner deployment confidence under real traffic patterns.

polesim analyze --service sns --window 30d
> Risk pattern identified in peak load windows
> Recommended simulation profile generated

Key Config

Enabled

true

Performance Signal

Topic Type

standard

Recommended Workflows

Implementation Focus

Publish - Send a test message to a topic
Publish Batch - Send up to 10 messages per request
Create Topic - Standard or FIFO topic

High-Impact Notes

What To Optimize First

Push delivery (no polling)
Fan-out to multiple protocols
FIFO topics for ordering (with constraints)
Max message size: 256 KiB (262,144 bytes). Extended client libraries can support larger payloads (up to 2 GB) by storing payloads externally.

Next Step

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