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Cognito pre signup lambda timeout

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Hi, I am trying to use pre-signup lambda for validation of user sign up. My lambda function will run more than 12s and not possible to optimize more than that. while testing through the hosted UI, I am experiencing lambda time out less than 5 to 7s (not sure provided approx.) is there any limitation on the service side of Cognito (or) is there any configuration that I possibly missed.

If it is service limitation how to proceed further and overcome the issue.

Topics
Security, Identity, & Compliance
Tags
Amazon Cognito
Language
English

asked a year ago236 views

1 Answer
0
Accepted Answer

When Cognito invokes Lambda functions through these triggers, timeout is 5s. It is true for all the trigger types except for Custom Email Sender and Custom SMS Sender. This can be found in the documentation: https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pools-working-with-lambda-triggers.html#important-lambda-considerations

answered a year ago

EXPERT

reviewed a year ago

  • User-3687566
    a year ago

    Is this the soft limit? if not, any documentations states work around for this kind of use case

  • Igor Ivanovic
    a year ago

    Sam, as far as I know, it's not a soft limit...

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