![]() But wait, there’s more costs to consider… As of the writing this post, prices start at $0.09 per RCU-month thereafter. For reads, DynamoDB charges one read request unit for each strongly consistent read (up to 4 KB), two read request units for each transactional read, and one-half read request unit for each eventually consistent read. ReadsĪWS calculates the cost of reads using “Read Capacity Units.” Each RCU provides up to two reads per second, enough for 5.2 million reads per month. At the time of writing this post, prices start at $0.47 per WCU-month thereafter. DynamoDB charges one write request unit for each write (up to 1 KB) and two write request units for transactional writes. WritesĪWS calculates the cost of writes using “Write Capacity Units.” Each WCU provides up to one write per second, enough for 2.6 million writes per month. The first 25 GB consumed per month is free, and prices start at $0.25 per GB-month thereafter. Remember that prices can vary based on the region. Below is a synopsis: Data StorageĭynamoDB charges per GB of disk space a table consumes. Detailed pricing is available on the official pricing page for DynamoDB. ![]() In a nutshell, DynamoDB’s monthly cost is dictated by data storage, writes and reads. If you are still deciding whether or not DynamoDB is the correct choice for your use case, check out “11 Things Your Wish You Knew Before Starting with DynamoDB.” How does DynamoDB pricing work? DynamoDB’s landing page points out that mobile, web, gaming, ad tech, and IoT are all good application types for DynamoDB. ![]() The uses cases best suited for DynamoDB include those that require a flexible data model, reliable performance, and the automatic scaling of throughput capacity. DynamoDB is AWS’s NoSQL alternative to Cassandra, primarily marketed to mid-sized and large enterprises.
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