Show Details
What’s under the hood of Amazon’s DynamoDB? Jon Christensen and Chris Hickman of Kelsus continue their discussion on DynamoDB, specifically about it’s architecture and components. They utilize a presentation from re:Invent titled, Amazon DynamoDB Under the Hood: How we built a hyper-scale database.
Some of the highlights of the show include:
1. Request Router: Frontline service that receives and handles requests
2. Storage Node: Services responsible for persisting and retrieving data
3. Partition Metadata System: Keeps track of where data is located
4. Auto Admin: Handles housekeeping aspects to manage system
Links and Resources
DynamoDB
re:Invent
Amazon DynamoDB Under the Hood: How we built a hyper-scale database
Paxos Algorithm
Amazon S3
Amazon Relational Database Service (RDS)
MongoDB
JSON
Kelsus
Secret Stache Media
Quotes:
“Keep in mind that data is partitioned across storage node, and that’s a key feature of being able to scale out, as opposed to scaling up.” Jon Christensen
“Amazon was opening up the kimono...how DynamoDB has been architected and constructed and how it works.” Chris Hickman
“Managed Service - they get to decide how it’s architected...because they also have to keep it up and live up to their SLA.” Chris Hickman
“The longer the time that your database is up and the more data you put into it, the more likely that you’re going to get a hot partition or partitions are just going to get too big.” Chris Hickman
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