8 keys to DynamoDB success

DynamoDB, a fully-managed NoSQL database, is an impressive piece of technology, and it’s amazing that AWS has opened it for the entire world to use. What took millions of dollars in R&D to build – a product that services millions of queries per second with low latency – can be effectively rented for dollars per hours by anyone with a credit card. For those who need a key-value store that can store massive amounts of data reliably, there aren’t many better options.

While DynamoDB generally works quite well, it’s inevitable that we all run into issues. A few months ago at Segment, my colleagues wrote a detailed blog post about our own DynamoDB issues. Mainly, we were hitting our rate limits due to problems with our partitioning setup – a single partition was limiting throughput for an entire table. Solving the problem took a superhuman effort, but it was worth it (to the tune of $300K annually).

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