Importing 100M+ Records into DynamoDB in Under 30 Minutes!

Importing 100M+ Records into DynamoDB in Under 30 Minutes! The same cannot be said, however, for someone looking to import data into a Dynamo table. Particularly a large amount of data and fast.

AWS released a new feature last week to export a full Dynamo table with a few clicks, but it’s also worth knowing how to hydrate a table with data at any scale.

No longer will anyone suffer while setting up the process of doing a full export of a DynamoDB table to S3.

The same cannot be said, however, for someone looking to import data into a Dynamo table. Particularly a large amount of data and fast.

The need for quick bulk imports can occur when records in a table get corrupted, and the easiest way to fix them is do a full table drop-and-recreate. Or when streaming data into a table, it can be useful to run a nightly batch “true-up” job to correct any intra-day anomalies that may have occurred.

Reducing the time to completion for these types of jobs from over an hour to under a minute gives you more confidence in the state of your data at any given point in time. And it provides a more stable foundation for low-latent applications to be built on top of your data.

The Simple Way to Write

Say we have data in an S3 bucket at point A, and we want to move it into a Dynamo table at point B… how do we do this?

Moving Data from S3 to Dynamo is as easy as Point A to Point B! | Image by Author

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