Aug 1, 2018AfterWords is an intelligent customer engagement and survey system that delivers users transactional history and customer feedback to create actionable data to improve operations, sales and profitability. In this article, our guest author Oleg Khozyainov shares his experience…
ClickHouse users often require data to be accessed in a user-friendly way. There is a number of tools that can display big data using visualization effects, charts, filters, etc. Tableau is one of the popular ones. In this article, we…
July 2, 2018Vladislav Klimenko from Altinity and Valery Panov from Ivinco presented a talk at HighLoad Siberia 2018 conference recently. They described the real problem that Ivinco faced and how it has been solved with migration of analytics from MySQL…
ClickHouse team has released 1.1.54385 version recently. This is yet another bugfixing update in a row of small updates that followed 1.1.54378 release from mid-April. Unfortunately, ClickHouse test coverage is not perfect, and sometimes new features are accompanied by disappointing…
A few weeks ago we described how to setup ‘ClickHouse monitoring with Graphite’. Today we are going to look at this from a different angle: how ClickHouse can be used as a Graphite backend.
In some cases, there is a need to configure a distributed cluster with replication but there are not enough servers in order to place every replica on a separate node. It is better to have multiple replicas at the same…
We would like to thank all attendees, our great partners, talented speakers, and generous hosts, who made these events possible and successful!Presentations from meetups are published here.
ClickHouse team and community contributors actively develop ClickHouse adding many new features, improving performance and flexibility. Unfortunately, sometimes it affects stability of the product. We were very upset by some unexpected regressions in recent ClickHouse releases. After initial testing of…
Monitoring is an important part of operating any software in production. The proper monitoring solution needs to store metrics somewhere as well as provide visualization capabilities. ClickHouse does not have such a tool packaged, but there are several 3rd-party monitoring…
In this blog post, I’ll look at how you can analyze MySQL audit logs (Percona Server for MySQL) with ClickHouse and ClickTail. Audit logs are available with a free plugin for Percona Server for MySQL. Besides providing insights about activity on…
Great news for San Francisco Bay Area: ClickHouse is coming. The week of April 22nd is going to be entertaining for ClickHouse adopters and newcomers: Percona Live conference talks, two ClickHouse meetups, meetings with ClickHouse developers and Altinity team –…
Altinity is happy to introduce ClickTail — an easy to use tool for ingesting log file data into ClickHouse and making it available for exploration. Its favorite format is JSON, but it understands how to parse a range of other well-known log…
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