Downloading, updating & reloading file back to s3 using AWS Lambda function

Question

I have 3 very simple individual python scripts using boto3 library for downloading, updating & reloading the file back to s3 bucket in AWS, all working fine.

However, wondering if the same is possible using AWS Lambda function? Your experience sharing is much appreciated.

Dunedan · Accepted Answer · 2017-08-21 06:04:03Z

1

Your scripts should work fine with AWS Lambda as long as they are fine with the following limitations:

need at max 1536MB of memory
need at max 512MB of temporary disk space
finish in less than 5 minutes

For a full list of limitations of AWS Lambda have a look at http://docs.aws.amazon.com/lambda/latest/dg/limits.html

You even could react to S3 events when using AWS Lambda, so e.g. execute a script anytime a new object is created in S3. Check out the documentation if you're interested in that: http://docs.aws.amazon.com/lambda/latest/dg/invoking-lambda-function.html#supported-event-source-s3

answered Aug 21, 2017 at 6:04

Dunedan

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