
AWS Lambda now includes recursion control that automatically detects and stops functions running in recursive loops with SQS, SNS, or direct invocations after 16 invocations, helping reduce unexpected costs and providing notifications through AWS Health Dashboard.


<div><p>This article announces AWS Lambda's recursion control feature that automatically detects and stops Lambda functions running in recursive or infinite loops.</p><ul><li>Detects recursive loops after 16 invocations and drops subsequent requests</li><li>Works with SQS, SNS, and direct Lambda invoke API integrations</li><li>Returns RecursiveInvocationException to prevent unexpected costs</li><li>Uses AWS X-Ray trace headers to track invocation lineage</li><li>Sends notifications via AWS Health Dashboard, email, and CloudWatch metrics</li><li>No additional charge for this feature</li><li>Can be disabled for intentional recursive use cases</li><li>Asynchronous invokes sent to dead-letter queue or on-failure destination</li></ul><p>Lambda recursion control helps prevent costly runaway invocations caused by misconfiguration or coding errors by automatically detecting and stopping recursive loops.</p></div>


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