ClickHouse vs. kdb+ Comparison


ClickHouse	kdb+ KX Systems	+	+
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About ClickHouse is a fast open-source OLAP database management system. It is column-oriented and allows to generate analytical reports using SQL queries in real-time. ClickHouse's performance exceeds comparable column-oriented database management systems currently available on the market. It processes hundreds of millions to more than a billion rows and tens of gigabytes of data per single server per second. ClickHouse uses all available hardware to its full potential to process each query as fast as possible. Peak processing performance for a single query stands at more than 2 terabytes per second (after decompression, only used columns). In distributed setup reads are automatically balanced among healthy replicas to avoid increasing latency. ClickHouse supports multi-master asynchronous replication and can be deployed across multiple datacenters. All nodes are equal, which allows avoiding having single points of failure.	About A high-performance cross-platform historical time-series columnar database featuring: - An in-memory compute engine - A real-time streaming processor - An expressive query and programming language called q kdb+ powers kdb Insights portfolio and KDB.AI, together delivering time-oriented data insights and generative AI capabilities to the world’s leading enterprise organizations. Independently benchmarked* as the fastest in-memory, columnar analytics database available, kdb+ delivers unmatched value to businesses operating in the toughest data environments. kdb+ improves decision-making processes to help navigate rapidly changing data landscapes.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Companies of all sizes	Audience Organizations that need a high-performance cross-platform historical time-series columnar database
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported	Support Phone Support Supported 24/7 Live Support Not Supported Online Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
Reviews/Ratings Overall 5.0 / 5 ease 3.0 / 5 features 4.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros ClickHouse is really really fast. I can say that it is THE fastest I've came across. It has lots of native integration options S3, Kafka, SQLite, PostgreSQL and so on. Its SQL capabilities are top notch. And it is 100% free! Cons - Updates and deletes are eventual. - Hard to setup a cluster. - Does not have ACID.
Training Documentation Not Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Not Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information ClickHouse Founded: 2021 United States clickhouse.com	Company Information KX Systems Founded: 1993 United Kingdom kx.com/products/kdb/
Alternatives StarTree	Alternatives eXtremeDB McObject
Amazon Redshift Amazon	Quasar AI QuasarDB
Apache Druid Druid	3forge
Yandex Managed Service for ClickHouse Yandex	Actian Analytics Engine Actian
CelerData Cloud CelerData View All	Apache Druid Druid View All
Categories Columnar Databases Supported Database Supported Database Management Systems (DBMS) Supported Distributed Databases Supported OLAP Databases Supported Query Engines Supported	Categories Columnar Databases Supported Time Series Databases Supported

Integrations QStudio Supported Amazon Web Services (AWS) Supported Arctype Supported Argonaut Supported Azure Marketplace Supported DbVisualizer Supported Flagsmith Supported Formal Supported GrowthBook Supported HubiFi Supported Kestra Supported Milo Supported Netdata Supported Powerslide Supported Resmo Supported SQL Supported SigNoz Supported Streamkap Supported Timeplus Supported WrenAI Supported Show More Integrations View All 113 Integrations	Integrations QStudio Supported Amazon Web Services (AWS) Not Supported Arctype Not Supported Argonaut Not Supported Azure Marketplace Not Supported DbVisualizer Not Supported Flagsmith Not Supported Formal Not Supported GrowthBook Not Supported HubiFi Not Supported Kestra Not Supported Milo Not Supported Netdata Not Supported Powerslide Not Supported Resmo Not Supported SQL Not Supported SigNoz Not Supported Streamkap Not Supported Timeplus Not Supported WrenAI Not Supported Show More Integrations View All 7 Integrations
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