More room to build: serverless services now support payloads up to 1 MB
Compute Blog
This article announces that AWS has increased the maximum payload size from 256 KB to 1 MB for asynchronous Lambda invocations, Amazon SQS, and Amazon EventBridge.
- Payload limit increased to 1 MB across Lambda, SQS, and EventBridge services
- Eliminates need for data chunking, compression, or external storage workarounds
- Enables richer context in event-driven architectures with complex JSON/YAML data
- Automatically applied to all new and existing services; no configuration needed
- Real-world example: AI-powered customer feedback processing with full context
- Monitor Lambda memory usage and implement dead-letter queues for error handling
- Consider external storage for payloads exceeding 1 MB or requiring multi-consumer access
- Larger payloads may increase CloudWatch Logs and processing costs
The 1 MB payload limit simplifies serverless architecture design by enabling developers to transmit comprehensive context without complex workarounds, improving efficiency and reducing operational overhead.
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