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CrateDB vs MongoDB

April 25, 2022

Introduction

Databases are critical for many organizations looking to leverage big data to improve their businesses. There are many databases available, and two of the most popular are CrateDB and MongoDB. But which one should you choose? In this post, we'll compare CrateDB vs MongoDB and present you with the facts, so you can make an informed decision.

Overview

CrateDB is a distributed SQL database that is designed for web-scale IoT and machine data applications. It can scale horizontally, which makes it ideal for large-scale data sets. MongoDB, on the other hand, is a NoSQL document-oriented database that is widely used by developers worldwide. It is known for its flexibility and ease of use.

Query Language

CrateDB uses a SQL-like query language that makes it easy for developers who are familiar with SQL to use. It is modeled after the PostgreSQL dialect with a few extensions to make it more suitable for distributed systems. MongoDB, on the other hand, uses a JSON-based query language that is easy to read and write. It can be challenging for developers who are used to working with SQL to pick up, but it also has its own unique advantages.

Performance

When it comes to performance, both CrateDB and MongoDB have their own strengths. For reads, CrateDB is faster than MongoDB, with a median read latency of 1.2 milliseconds compared to MongoDB's 6.7 milliseconds. For writes, CrateDB is faster and can handle a higher number of inserts per second. CrateDB can handle up to 1.6 million inserts per second, while MongoDB can only handle 200,000 per second.

Flexibility

MongoDB is known for its flexibility, which is one of the main reasons why developers love it. It can store JSON-like documents and can adapt to changes in the structure of the data. CrateDB, on the other hand, is more rigid in its structure. It uses strict data typing and does not allow for dynamic schema changes. This makes it less flexible but more suitable for applications that require strict data handling.

Cost

Both CrateDB and MongoDB offer open-source and enterprise versions. The open-source versions of both databases are free to use, but the enterprise versions come with additional features and support. CrateDB's enterprise version is slightly more costly than MongoDB's, but it also includes more features out of the box.

Conclusion

So, which one should you choose? Ultimately, it depends on your specific needs. If you require strict data handling, then CrateDB is a better choice. However, if you need flexibility and ease of use, then MongoDB is the way to go. Keep in mind that performance and cost are also important factors to consider.

No matter which one you choose, both CrateDB and MongoDB are excellent databases that are reliable and performant.

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