ClickHouse HTTP protocol advanced features


ClickHouse HTTP protocol is good and reliable, it is a base for official JDBC, ODBC and many 3rd party drivers and integrations. It can also be used directly with http client libraries. In this article we describe two advanced features of HTTP protocol: execution progress and sessions.

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ClickHouse monitoring with Zabbix

Altinity is happy to introduce a new tool in ClickHouse environment - Zabbix template for monitoring ClickHouse. It is open source and available on github

Let's walk in details on how to install and setup this template.

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Realtime replication from MySQL to ClickHouse in practice

July 2, 2018
Vladislav 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 into ClickHouse using MySQL to ClickHouse replication. A few months ago we introduced clickhouse-mysql tool in our blog, and Ivinco was the first company we know that tried it and used it in production.

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ClickHouse + Graphouse introduction


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.

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ClickHouse Monitoring with Graphite

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 solutions that can be used. In this article, we will describe how to configure Graphite for monitoring ClickHouse metrics.

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MySQL to ClickHouse data migration and replication

Altinity has developed an open source clickhouse-mysql tool that helps to migrate existing MySQL table to ClickHouse and setup realtime replication of changes (INSERTS only). Here we review necessary steps using a simple example.

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