Deep Dive on ClickHouse® Sharding and Replication
Master ClickHouse sharding and replication: ReplicatedMergeTree, macros, distributed tables, INSERT sync modes, distributed JOINs, and sharding key design.
Eureka! 8 developer tricks for running ClickHouse® on Kubernetes
Learn eight practical tricks for running ClickHouse® on Kubernetes with the Altinity Kubernetes Operator for ClickHouse®, covering Argo CD, Terraform, VM autoscaling, availability zone affinity, cluster stop/start, forced reconciliation, rolling upgrades, and ClickHouse Keeper management.
FOSDEM 2024
FOSDEM was a free event for software developers to meet, share ideas, and collaborate. Every year, thousands of developers of free and open-source software from all over the world gather at the event in Brussels. Our CEO, Robert Hodges was…
ClickHouse® and Apache Parquet: Past, Present, and Future
Altinity co-Founder and CTO, Alexander Zaitsev delivers a comprehensive tour of ClickHouse® Parquet support, covering how to read and write Parquet files from local disk, S3, URLs, and remote web servers; detailed performance benchmarks comparing Parquet to MergeTree on local…
Safety First! Using Altinity Backup for ClickHouse® for ClickHouse Backup and Restore
Learn how to protect your ClickHouse® data using clickhouse-backup, the open-source tool maintained by Altinity. This webinar covers why backups matter, what to protect in a ClickHouse deployment, the ALTER TABLE FREEZE hard-link mechanism behind reliable backups, full and incremental…
Farewell 2022, Welcome 2023!
2022 is almost over. Santa Claus is decorating his sleigh for the holiday voyage, and people all around the world are preparing to celebrate the new year. Let’s have a seat and take a quick look back to what Altinity…
Altinity Cumulative Release Notes for April through June 2022
Summer is here – and more updates to Altinity products! Here’s the latest releases for what our teams released since April.
Altinity Cumulative Release Notes for Q1 2022
Our team has been busy coming out with new versions of our products since the beginning of the year, so we gathered the entire list for Q1 in one place.
Introduction to ClickHouse® Backups and Altinity Backup for ClickHouse®
Data backups are an inglorious but vital part of IT operations. They are most challenging in “big data” deployments, such as analytics databases. This article will explore the plumbing involved in backing up ClickHouse and introduce the clickhouse-backup tool for…