Development

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Comparing databases for an Industrial IoT use-case: MongoDB, TimescaleDB, InfluxDB and CrateDB

2020-07-13

We compared how MongoDB, TimescaleDB, InfluxDB, and CrateDB perform for an industrial IoT use-case. We talk about our experience in this blog post.

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Development

How to set up a CrateDB cluster with Kubernetes

2020-06-10

Setting up a CrateDB cluster with Kubernetes can be done in just a few steps, and scaling up and down is straightforward. We tell you how in this tutorial.

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Development

CrateDB, Machine Learning, and Hydroelectric Power: Part Two

2019-08-16

We go into some technical details of the VKW proof-of-concept and show you how to use Python to construct a machine learning model that can be used to predict events.

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Development

Machine Learning and CrateDB, Part Three: Experiment Design & Linear Regression

2019-02-13

In the third part of this miniseries, I show you how to predict the number of Twitter followers a user has using regression analysis.

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Development

Machine Learning and CrateDB, Part Two: Getting Started With Jupyter

2018-12-04

In part two of this miniseries, learn how to get started with machine learning using Python and Jupyter Notebook.

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Development

Machine Learning and CrateDB, Part One

2018-10-19

Part one of a miniseries that introduces you to the fundamentals of machine learning and shows you how to get started with some hands-on coding.

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Development

On Writing Beautiful Tests

2018-08-30

Testing and thinking about modes of failure as you design code will help you to write more robust software, which is, in turn, easier to maintain. It also makes your code easier to refactor and easier to modify.

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Development

When is a SQL Subquery 260x Faster than a Left Join?

2017-08-17

Learn why SQL subquery performance was 260x faster than a left join when querying 4.6 millions rows of ecommerce cross-sell data in a CrateDB database.

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Development

Berlin and Geo Shapes in CrateDB

2015-12-10

In our last blogpost about Crate's spatial and geographic features we announced the support for the geo_point data type and related operations. Since that post, we have greatly improved our geographic features...

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