How to Take Full Advantage of AWS Lambda Backup Capabilities

Lost data can mean lost business, so how can you make sure the cloud doesn’t bring you down? By keeping close tabs on what information has changed, who changed it and when. That means identifying all of the failure or disaster situations that can occur and their potential business impact — in advance.

Lambda is particularly hot right now in the DevOps world because it’s scalable and reliable and doesn’t include a lot of overhead and cost — plus you can use it to customize your backup plan to your business and infrastructure needs. Lambda is worth a closer look.

Lambda allows you to set your backup script to execute only when needed. You can back up specific data sets by setting the script to trigger based on time (every minute, every 10 minutes, or nightly) or an action (such as when someone writes something to an S3 bucket).

For example, you can snapshot your database every night, then trigger the Lambda function to copy that snapshot to your backup account. If you’re writing 500,000 receipts to an S3 bucket a day, you can run your Lambda script 500,000 times and keep a real-time backup.

Lambda is cloud native, so you don’t need to pay a big licensing fee and invest in a backup product that doesn’t fit your needs. A cloud-native product enables simple communication between tools. If you’re backing up an RDS database, your Lambda function can essentially talk directly to it because they both live in the Amazon world and speak the same language. You can also assign Lambda functions to handle security policies and permissions.

To date, Lambda isn’t as widely used as more traditional solutions. Barriers to entry include lack of familiarity with the platform and the level of effort required to use it. With Lambda, you have to decide what you want to back up, write code, make sure the code won’t fail and create contingency plans for handling outliers. Unwieldy, expensive backup solutions can seem more efficient due to their turnkey nature.

Still, the strategic benefits of Lambda outweigh the challenges:

To take full advantage of AWS Lambda backup capabilities, you’ll need to think outside the box. Take the road less traveled, and you’ll derive immense benefit along the way.

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