Altinity Blog
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Managing EBS gp3 Volumes in EKS
Learn about gp3 (the latest AWS general purpose Elastic Block Storage), how you can use gp3 volumes in AWS Elastic Kubernetes Service (EKS), and how to change parameters of EBS volumes from inside EKS clusters using a new open source software from Altinity.
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May Data on Kubernetes Bay Area Meetup Report
The DoK Bay Area meetup recently held its inaugural event in Menlo Park, where Kubernetes enthusiasts gathered to share knowledge and network. This successful gathering featured insightful presentations by industry experts on topics such as multi-cluster data management, Kubernetes operator security, and operating data on a cloud-agnostic DevOps tools platform.
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Announcing FIPS-compatible Altinity Stable Builds for ClickHouse
FIPS-compatible Altinity Stable Builds for ClickHouse enable secure analytics in compliance with US government standards. Learn about FIPS and how to run ClickHouse in a FIPS-compatible manner.
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What’s New in Altinity clickhouse-operator?
Altinity Kubernetes Operator for ClickHouse is our most popular open source project so far with 1300+ stars and used by many companies including Ebay, Cisco and Twilio (Segment.io). In this article we will provide an overview of the new features that we have added to the Altinity Clickhouse-operator recently.
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What’s Up with Parquet Performance in ClickHouse?
Supported in ClickHouse, Apache Parquet has use cases other than just a storage format in the Hadoop ecosystem. See what results we got when we tested it in Altinity.Cloud to query Parquet files at S3 with the same efficiency as with MergeTree tables.
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ClickHouse ReplacingMergeTree Explained: The Good, The Bad, and The Ugly
How much do you know about ClickHouse ReplacingMergeTree? Learn about this powerful engine, how it works, and all its functionalities — old and new — so you can build real-time synchronization pipelines from OLTP databases like MySQL.
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Preventing ClickHouse Storage Deletion with the Altinity Kubernetes Operator reclaimPolicy
Accidental storage deletion is preventable with the Altinity Kubernetes Operator for ClickHouse. Avoid accidents with reclaimPolicy: retain.
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Ultra-Fast AWS Graviton Instances in Altinity.Cloud
AWS introduced new instance type families, powered by Graviton3 ARM processors: m7g and r7g. We tested m7g’s performance using the ClickHouse SSB workload and found it’s 35% faster its older brother m6g, and 15% faster than Intel m6i instance! Learn more.
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Managing ClickHouse on Intel NUC Using Altinity.Cloud Anywhere
Altinity.Cloud Anywhere manages ClickHouse clusters in any Kubernetes. It can even control ClickHouse on an Intel NUC on a home network!
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How To Configure A ‘Kerberized’ Kafka Deployment For ClickHouse
Learn how to configure Kerberos for Kafka and ClickHouse to benefit from a centralized authentication and authorization service. This article explains how to deploy Kafka, Zookeeper and Clickhouse and configure them to authenticate via Kerberos showcasing the process with a docker compose deployment.
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Analyzing DockerHub Pull Counts with Clickhouse and Altinity.Cloud
It is very easy to start collecting data into ClickHouse from public HTTP APIs like DockerHub. Follow our step-by-step guide to create a simple ClickHouse app that extracts data from DockerHub and makes it available for reporting.
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Altinity Stable Release 22.8
Altinity Stable 22.8 is a significant upgrade from the previous 22.3 release and includes more than 2000 pull requests from 280 contributors. Learn about the new features, changes, known issues, and installation.
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Exploring Open Source Analytics — Talk Roundup from OSA Con 2022
The Open Source Analytics Conference 2022 exceeded our expected metrics by all counts! We’d like to thank everyone who made it happen. Watch all OSA Con 2022 sessions and see what we’re up to in 2023!
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ClickHouse as the Looking Glass for OLTP Data
When users come to Altinity.Cloud, many are not trying to replace non-analytical databases like MySQL or PostgreSQL. They want to migrate data to ClickHouse and keep it in sync with the database, just like a mirror. In this post, we look at a ‘pure ClickHouse’ approach, highlighting interesting features and problems that require external tools.
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User Notice: ClickHouse Data Corruption Bug in String Aggregates Is Fixed
Some ClickHouse versions contain a bug that adds a trailing null to aggregates on string values. The bug is now fixed and upgrades are available.
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Protecting ClickHouse Data With User Level Network Access Rules
There are many methods to improve ClickHouse security at the user level. User level network access rules are a key method to protect ClickHouse data. Learn how they work and how to apply them.
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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 was in 2022, and imagine what we can do in 2023.
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ReplacingMergeTree and Crazy ClickHouse Stuff: The December SF Bay Area ClickHouse Meetup
The SF Bay Area ClickHouse Meetup is the oldest US ClickHouse meetup. 202 2 was a busy year with 5 virtual meetups. Here is a quick summary of our latest meetup on December 14th.