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 RD 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).To read this article in full or to leave a comment, please click here

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