DynamoDB 相对于其他 NoSQL 数据库的优缺点是什么? [英] What are the pros and cons of DynamoDB with respect to other NoSQL databases?

问题描述

我们将 Heroku 上的 MongoDB 数据库插件用于我们的 SaaS 产品.既然 Amazon 推出了 DynamoDB，一种云数据库服务，我想知道这将如何改变 NoSQL 产品的格局?

We use MongoDB database add-on on Heroku for our SaaS product. Now that Amazon launched DynamoDB, a cloud database service, I was wondering how that changes the NoSQL offerings landscape?

特别是对于基于云的服务或 SaaS 供应商，与 MongoDB 相比，使用 DynamoDB 的优劣如何?使用其中一种与另一种相比，是否有任何成本、性能、可扩展性、可靠性、驱动程序、社区等优势?

Specifically for cloud based services or SaaS vendors, how will using DynamoDB be better or worse as compared to say MongoDB? Are there any cost, performance, scalability, reliability, drivers, community etc. benefits of using one versus the other?

推荐答案

对于初学者来说，它将由亚马逊的专家团队完全管理，因此您可以打赌它可以很好地扩展，几乎不需要最终用户(开发人员)的输入).

For starters, it will be fully managed by Amazon's expert team, so you can bet that it will scale very well with virtually no input from the end user (developer).

此外，由于它由 Amazon 构建和管理，您可以假设他们将其设计为可以很好地与他们的基础设施配合使用，因此您可以假设性能将是一流的.除了专门为其基础设施构建之外，他们还选择使用 SSD 作为存储，因此从一开始，磁盘吞吐量将显着高于 AWS 上由 HDD 支持的其他数据存储.

Also, since its built and managed by Amazon, you can assume that they have designed it to work very well with their infrastructure so you can can assume that performance will be top notch. In addition to being specifically built for their infrastructure, they have chosen to use SSD's as storage so right from the start, disk throughput will be significantly higher than other data stores on AWS that are HDD backed.

我还没有看到任何驱动程序，我认为现在判断社区对此有何反应还为时过早，但我怀疑亚马逊将拥有所有最流行语言的驱动程序，并且社区可能会很好地接受这一点 - 并且进而创建额外的驱动程序和工具.

I havent seen any drivers yet and I think its too early to tell how the community will react to this, but I suspect that Amazon will have drivers for all of the most popular languages and the community will likely receive this well - and in turn create additional drivers and tools.

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