--- title: "Double Trouble: A Tale of Scaling, Migrating, and Database Retuning" url: https://daily.dev/posts/double-trouble-a-tale-of-scaling-migrating-and-database-retuning-wu6wr7rih source_url: https://medium.com/appsflyerengineering/double-trouble-a-tale-of-scaling-migrating-and-database-retuning-5d81e7d46a38 type: article source: "AppsFlyer Engineering" published: 2024-11-05T12:48:32.566Z updated: 2024-12-11T14:59:19.135Z tags: ["aws", "backend", "aws-dynamodb"] reading_time: 11 upvotes: 5 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Double Trouble: A Tale of Scaling, Migrating, and Database Retuning **[AppsFlyer Engineering](https://daily.dev/sources/appsflyer)** · 11 min read · 5 upvotes · 0 comments ## Summary The post shares a detailed journey of scaling, migrating, and retuning a database system used for a URL shortening service. Initially reliant on vertical scaling with Aerospike, the team at AppsFlyer faced escalating costs and outdated technology, leading them to migrate to DynamoDB. They experienced issues such as throttling errors, necessitating further migration and structural changes. Key takeaways emphasize understanding data patterns, ensuring flexibility for future migrations, anticipating costs, balancing debugging capabilities with constraints, and embracing change. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#aws](https://daily.dev/tags/aws), [#backend](https://daily.dev/tags/backend), [#aws-dynamodb](https://daily.dev/tags/aws-dynamodb) [View this post on daily.dev](https://daily.dev/posts/double-trouble-a-tale-of-scaling-migrating-and-database-retuning-wu6wr7rih)