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Aggregate MySQL data at high speed with ClickHouse

Feb 12, 2018
There are multiple ways how ClickHouse and MySQL can work together. External Dictionaries, ProxySQL support or [realtime streaming] of MySQL binary logs into ClickHouse. A few weeks ago ClickHouse team has released mysql() table function that allows to access MySQL data directly from ClickHouse. This opens up a number of interesting capabilities. Accidentally we have found [a blog article in Japanese] by Mikage Sawatari‏ , that tests a new way of integration and translated it for our blog with some minor edits.

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ClickHouse for Machine Learning

Jan 18, 2018
ClickHouse is very flexible and can be used for various use cases. One of the most interesting technology areas now is machine learning, and ClickHouse fits nicely there as very fast datasource. A few months ago ClickHouse team implemented the support for ML algorithms, that makes it much easier and faster to run ML over ClickHouse data. They started with open source Yandex CatBoost algorithm, but it can be extended with other algorithms in the future. In this article, we posted a tutorial on how ClickHouse can be used to run CatBoost models.

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