Today Altinity is pleased to announce an important improvement to the ClickHouse ecosystem. In addition to adding new features to ClickHouse server and maintaining the Grafana plugin, we recently took over responsibility for the ClickHouse ODBC driver. The ClickHouse ecosystem…
October has been a busy month for the ClickHouse community and Altinity. We sponsored and presented at three community events in the first 9 days of October. Here’s a quick rundown of each one with links to interesting presentations.
CoreOS introduced operators for Kubernetes in 2016. A Kubernetes Operator is an application that integrates into Kuberentes and manages other applications. It significantly simplifies deployment and management of cloud native apps by leveraging application specific operational knowledge. Since then operators…
Successful MySQL applications have a very common scale problem: how to provide analytics when data grows too large for MySQL to handle. Fortunately, there is a good answer. ClickHouse is a popular, open source column store you can use to…
It is my pleasure to announce that Altinity is now a member of the Cloud Native Computing Foundation (CNCF). We will also be a sponsor at Kubecon/CloudNativeCon North America 2019 in San Diego 18-21 November.
It is already more than 3 years since ClickHouse surprisingly popped up from inside the Yandex labs and moved to open source. Since then it grew up from an ugly duckling, that was sometimes not that easy to deal with,…
ClickHouse is famous for speed. That said, you can almost always make it faster! This webinar uses examples to teach you how to deduce what queries are actually doing by reading the system log and system tables. We’ll then explore…
Grafana is a very powerful and popular open source dashboard tool used in many ClickHouse projects. ClickHouse in Grafana is enabled by the Grafana ClickHouse plugin developed by the company Vertamedia, a ClickHouse early adopter. Many users in the community…
The recent Moscow ClickHouse meetup was quite a big event, as expected. ClickHouse is very popular in Russia and usage has penetrated widely among companies here. 450 people registered, and around 200 showed up at the Yandex conference hall on…
In the previous blog post on materialized views, we introduced a way to construct ClickHouse materialized views that compute sums and counts using the SummingMergeTree engine. The SummingMergeTree can use normal SQL syntax for both types of aggregates. We also let…
Readers of the Altinity blog know we love ClickHouse materialized views. Materialized views can compute aggregates, read data from Kafka, implement last point queries, and reorganize table primary indexes and sort order. Beyond these functional capabilities, materialized views scale well…
It has been quite a while since we announced the previous ‘Altinity Stable’ ClickHouse in December 2018. Since then there have been a lot of changes and new features in ClickHouse. The core team has merged almost 1000 pull requests,…
