Lambda Limits¶

AWS Lambda Limits to Know - per region¶

• Execution:
  • Memory allocation: 128 MB - 10GB (1MB increments)
  • Maximum execution time: 900 seconds (15 minutes)
  • Environment variables (4KB)
  • Disk capacity in the function "function container" (in /tmp): 512MB
  • Concurrency executions: 1000 (can be increased)
• Deployment:
  • Lambda function deployment size (compressed .zip): 50MB
  • Size of uncompressed deployment (code + dependencies): 250MB
  • Can use the /tmp directory to load other files at startup
  • Size of environment variables: 4KB