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Published in:
2021 | OriginalPaper | Chapter
8. Core Cloud Concepts: Storage
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Abstract
Any system, whether a microservices-based one or not, has three needs: 1) a place to run, 2) ways to communicate internally and with the external world and, 3) a way to persist resources. We discussed the first two necessities of microservices in the earlier chapter. Let us discuss the storage options on the cloud. CSPs (cloud service providers) are equipped with a multitude of storage options to meet our needs. For every aggregate, we will need to examine databases for handling transactional domain data, and for internet-scale domains. We will touch upon big data stores necessary for analytics and reporting. Microservices employ temporary datastores such as caches that provide very low-latency data access, useful for boosting the performance of microservices. Finally, we will look at long-term storage options such as file stores and buckets needed for storing static data.