You are already up and running with AWS Lambda for several months, and all of a sudden you get the following error: An error occurred: TestDashdeliveryLambdaFunction — Code storage limit exceeded. (Service: AWSLambda; Status Code: 400; Error Code: CodeStorageExceededException; Request ID: 05d3ae68-e7f6–11e8–948e-41c27396380e). What’s the problem? AWS limits the amount of “code storage” it saves on their internal S3 for . Lambda functions of up to 75GB Although it sounds like a lot of space, you can easily reach that limit. In case you’re using the , its default is you make. Serverless Framework to store a version for every deployment Solving the issue If you don’t need to store a version for each deployment (like many of us), you can easily cancel it with the following addition to your file: serverless.yml provider:name: awsruntime: python3.6versionFunctions: falseregion: ${opt:region, 'us-east-1'}stage: ${opt:stage, 'dev'} Adding the parameter will cancel the version storing. versionFunctions: false clear-lambda-storage: auto-clean old versions If you do prefer to keep older versions (e.g. for being able to rollback quickly), you will need to manually clean the old versions. Luckily, at Epsagon we love sharing open source utilities (for example, )! This time it’s the . As simple as it sounds, it will take care of removing old and unused versions (i.e. that are neither currently deployed nor $LATEST) from every Lambda function, and from every region. Running it is very simple: spotting dead functions clear-lambda-storage git clone https://github.com/epsagon/clear-lambda-storagecd clear-lambda-storage/pip install -r requirements.txtpython clear_lambda_storage.py It will output how many versions have been removed, from how many functions, and how many MBs were freed: Deleted 9412 versions from 502 functionsFreed 42056 MBs Did you find the tool useful? Feel free to request additional features, and contribute yourself. Happy serverless-ing ⚡! Originally published at epsagon.com on December 10, 2018.

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How to Free AWS Lambda Code Storage (CodeStorageExceeded)

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How to Free AWS Lambda Code Storage (CodeStorageExceeded)

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Ran Ribenzaft

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