A common use case in time series applications is to get the measurement value at a given point of time. For example, if there is a stream of measurements, one often needs to query the measurement as of current time…
You are about to deploy ClickHouse into production. Congratulations! But what about monitoring? In this webinar we will introduce how to track the health of individual ClickHouse nodes as well as clusters. We’ll describe available monitoring data, how to collect…
We are delighted to announce that Altinity Stable Release is updated to 19.16.14.65. The release includes several important bug fixes not present in the previous 19.16.12.49, and one compatibility fix that is important for future upgrades.
In data analytics, analysts often use moving averages. Moving averages help to smooth data series as well as identify long term trends. New Live View tables start to bring real-time capabilities to ClickHouse.One of the applications of Live View tables…
Materialized views are the killer feature of ClickHouse, and the Altinity 2019 webinar on how they work was very popular. Watch this replay to learn how to use materialized views to speed up queries hundreds of times. We’ll cover basic…
US-based 2020 ClickHouse meetups started the year with a bang: two events in San Francisco and New York City. Here is a summary of the talks including links to presentation slides.
Important notice for our beloved Apache Kafka users. We continue to improve Kafka engine reliability, performance and usability, and as a part of this entertaining process we have released 19.16.12.49 Altinity Stable ClickHouse release. This release supersedes the previous stable…
Integrate ClickHouse® and Apache Kafka for low-latency streaming: the Kafka table engine, materialized views, and production best practices.
Welcome to the year 2020! New Year came and it’s a good time to update your ClickHouse to the latest Altinity stable version which we are presenting today. As always, Altinity Stable is a version we know is good and…
See how ClickHouse delivers faster query performance on 500 billion rows of data compared to ScyllaDB, leveraging an Intel NUC mini PC, advanced compression, and materialized views.
Dec 28, 2019Grafana is a popular tool to create dashboards of time series data. It features outstanding graphics, interactive displays that zoom in on data, and support for a wide range of data sources. It turns out that one of…
Many years ago a wise customer once said, “every report wants to be an Excel spreadsheet when it grows up!” I have always had a soft spot for Excel–it’s one of the most useful programs that Microsoft ever released. To…
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