Lambda function throwing : TooManyRequestsException, Rate exceeded

0

When the Lambda function is invoked, occasionally I see the following error for the function even though there is no Load running or not many lambda functions running. While the throttling and quota requests are set to default running in the Mumbai region, but this error is observed even when no load is running.. How do I determine with configuration needs to be increased to address this problem ?

2022-05-17T10:01:13.555Z 84379818-c8b8-44a3-b353-2c9f7f8f5e48 ERROR Invoke Error { "errorType": "TooManyRequestsException", "errorMessage": "Rate exceeded", "code": "TooManyRequestsException", "message": "Rate exceeded", "time": "2022-05-17T10:01:13.553Z", "requestId": "c3dc9f1b-d7c3-40d5-bec7-78e19dc2e033", "statusCode": 400, "retryable": true, "stack": [ "TooManyRequestsException: Rate exceeded", " at Request.extractError (/var/runtime/node_modules/aws-sdk/lib/protocol/json.js:52:27)", " at Request.callListeners (/var/runtime/node_modules/aws-sdk/lib/sequential_executor.js:106:20)", " at Request.emit (/var/runtime/node_modules/aws-sdk/lib/sequential_executor.js:78:10)", " at Request.emit (/var/runtime/node_modules/aws-sdk/lib/request.js:686:14)", " at Request.transition (/var/runtime/node_modules/aws-sdk/lib/request.js:22:10)", " at AcceptorStateMachine.runTo (/var/runtime/node_modules/aws-sdk/lib/state_machine.js:14:12)", " at /var/runtime/node_modules/aws-sdk/lib/state_machine.js:26:10", " at Request.<anonymous> (/var/runtime/node_modules/aws-sdk/lib/request.js:38:9)", " at Request.<anonymous> (/var/runtime/node_modules/aws-sdk/lib/request.js:688:12)", " at Request.callListeners (/var/runtime/node_modules/aws-sdk/lib/sequential_executor.js:116:18)" ] }

asked 2 years ago3111 views
1 Answer
1

"Rate exceeded" is often due to calling some service's API too frequently. It might be a service your Lambda is calling, not anything to do with Lambda per se. See https://aws.amazon.com/premiumsupport/knowledge-center/lambda-troubleshoot-throttling/ for example.

EXPERT
answered 2 years ago
  • I would have agreed if this was reported due to calling some services API too frequently. In this case when the error was reported, there was no other service running, nor my lambda was invoking too many APIs either, it was reported on the first API call itself. And this I have observed many time being reported. I am clueless at this time why though.

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