ClickHouse vs. ksqlDB Comparison


ClickHouse	ksqlDB Confluent	+	+
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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 Now that your data is in motion, it’s time to make sense of it. Stream processing enables you to derive instant insights from your data streams, but setting up the infrastructure to support it can be complex. That’s why Confluent developed ksqlDB, the database purpose-built for stream processing applications. Make your data immediately actionable by continuously processing streams of data generated throughout your business. ksqlDB’s intuitive syntax lets you quickly access and augment data in Kafka, enabling development teams to seamlessly create real-time innovative customer experiences and fulfill data-driven operational needs. ksqlDB offers a single solution for collecting streams of data, enriching them, and serving queries on new derived streams and tables. That means less infrastructure to deploy, maintain, scale, and secure. With less moving parts in your data architecture, you can focus on what really matters -- innovation.
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 Anyone in need of a Real-Time Data Streaming solution
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported	Support Phone Support Not 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 Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information ClickHouse Founded: 2021 United States clickhouse.com	Company Information Confluent Founded: 2014 United States www.confluent.io/product/ksqldb/
Alternatives StarTree	Alternatives RisingWave
Amazon Redshift Amazon	Timeplus
Apache Druid Druid	Arroyo
Yandex Managed Service for ClickHouse Yandex	Materialize
CelerData Cloud CelerData View All	Confluent View All
Categories Columnar Databases Supported Database Supported Database Management Systems (DBMS) Supported Distributed Databases Supported OLAP Databases Supported Query Engines Supported	Categories Database Supported Query Engines Supported Real-Time Data Streaming Supported

Integrations Hue Supported SQL Supported Apache Superset Supported Azure Marketplace Supported CelerData Cloud Supported Dash0 Supported DbGate Supported Emgage Supported Herus Supported Langflow Supported NeoBase Supported Ploy Supported Preset Supported Prisme Analytics Supported Prometheus Supported Timbr.ai Supported ToolJet Supported WrenAI Supported Yandex Managed Service for ClickHouse Supported Zenskar Supported Show More Integrations View All 113 Integrations	Integrations Hue Supported SQL Supported Apache Superset Not Supported Azure Marketplace Not Supported CelerData Cloud Not Supported Dash0 Not Supported DbGate Not Supported Emgage Not Supported Herus Not Supported Langflow Not Supported NeoBase Not Supported Ploy Not Supported Preset Not Supported Prisme Analytics Not Supported Prometheus Not Supported Timbr.ai Not Supported ToolJet Not Supported WrenAI Not Supported Yandex Managed Service for ClickHouse Not Supported Zenskar Not Supported Show More Integrations View All 2 Integrations
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