ClickHouse vs. SelectDB Comparison


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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 SelectDB is a modern data warehouse based on Apache Doris, which supports rapid query analysis on large-scale real-time data. From Clickhouse to Apache Doris, to achieve the separation of the lake warehouse and upgrade to the lake warehouse. The fast-hand OLAP system carries nearly 1 billion query requests every day to provide data services for multiple scenes. Due to the problems of storage redundancy, resource seizure, complicated governance, and difficulty in querying and adjustment, the original lake warehouse separation architecture was decided to introduce Apache Doris lake warehouse, combined with Doris's materialized view rewriting ability and automated services, to achieve high-performance data query and flexible data governance. Write real-time data in seconds, and synchronize flow data from databases and data streams. Data storage engine for real-time update, real-time addition, and real-time pre-polymerization.
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 Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Companies of all sizes	Audience Companies interested in a solution to manage their real-time data writing and query response processes
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported	Support Phone Support Supported 24/7 Live Support 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 $0.22 per hour Free Version Not Supported Free Trial 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 Supported Live Online Supported In Person Supported
Company Information ClickHouse Founded: 2021 United States clickhouse.com	Company Information SelectDB China www.selectdb.com
Alternatives StarTree	Alternatives Apache Doris The Apache Software Foundation
Amazon Redshift Amazon	VeloDB
Apache Druid Druid	StarTree
Yandex Managed Service for ClickHouse Yandex	Onehouse
CelerData Cloud CelerData View All	Apache Kylin Apache Software Foundation View All
Categories Columnar Databases Supported Database Supported Database Management Systems (DBMS) Supported Distributed Databases Supported OLAP Databases Supported Query Engines Supported	Categories Data Warehouse Supported OLAP Databases Supported Real-Time Data Streaming Supported

Integrations Amazon Web Services (AWS) Supported TapData Supported CelerData Cloud Supported Flagsmith Supported Herus Supported Hydrolix Supported Kamatera Supported Mindflow Supported Mitzu Supported Peekdata Supported PeerDB Supported RATH Supported SQL Supported Sequel Supported Supaboard Supported Tenzir Supported Timbr.ai Supported ToolJet Supported Toucan Supported Trino Not Supported Show More Integrations View All 113 Integrations	Integrations Amazon Web Services (AWS) Supported TapData Supported CelerData Cloud Not Supported Flagsmith Not Supported Herus Not Supported Hydrolix Not Supported Kamatera Not Supported Mindflow Not Supported Mitzu Not Supported Peekdata Not Supported PeerDB Not Supported RATH Not Supported SQL Not Supported Sequel Not Supported Supaboard Not Supported Tenzir Not Supported Timbr.ai Not Supported ToolJet Not Supported Toucan Not Supported Trino Supported Show More Integrations View All 8 Integrations
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