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DBMS > Apache Kylin vs. CockroachDB vs. QuestDB

System Properties Comparison Apache Kylin vs. CockroachDB vs. QuestDB

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Editorial information provided by DB-Engines
NameApache Kylin  Xexclude from comparisonCockroachDB  Xexclude from comparisonQuestDB  Xexclude from comparison
DescriptionA distributed analytics engine for big data, providing a SQL interface and multi-dimensional analysis (OLAP) and leveraging the Hadoop stackCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.A high performance open source SQL database for time series data
Primary database modelRelational DBMSRelational DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.31
Rank#151  Overall
#73  Relational DBMS
Score7.69
Rank#57  Overall
#33  Relational DBMS
Score1.24
Rank#155  Overall
#12  Time Series DBMS
Websitekylin.apache.orgwww.cockroachlabs.comquestdb.io
Technical documentationkylin.apache.org/­docswww.cockroachlabs.com/­docsquestdb.io/­docs/­introduction
DeveloperApache Software Foundation, originally contributed from eBay IncCockroach LabsQuestDB Limited
Initial release201520152014
Current release3.1.0, July 202021.1.2, June 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoApache 2.0, commercial license availableOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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CockroachDB: A cloud-native, distributed SQL database designed for speed, scale, and survival. Get started for free today with a fully-managed CockroachDB cluster -- leave operations behind and get your app to market faster.
Implementation languageJavaGoJava
Server operating systemsLinuxLinux
macOS
Windows
Linux
macOS
Windows
Data schemeyesdynamic schemayes infoschema-free via InfluxDB Line Protocol
Typing infopredefined data types such as float or dateyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesyesyesno
SQL infoSupport of SQLANSI SQL for queries (using Apache Calcite)yes, wire compatible with PostgreSQLSQL-like query language
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
JDBCHTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
Supported programming languagesC#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
C infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFThorizontal partitioning (by timestamps)
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTConfigurable consistency for N replicas
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID for single-table writes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infothrough memory mapped files
User concepts infoAccess controlRole-based access control
More information provided by the system vendor
Apache KylinCockroachDBQuestDB
Specific characteristicsCockroachDB is a cloud-native, distributed SQL database architected for modern applications....
» more
Relational model with native time series support Column based storage and time partitioned...
» more
Competitive advantages- EFFORTLESS SCALE: Scale your applications, not operational complexity. CockroachDB...
» more
Real-time data ingestion and istant SQL queries for time series High performance...
» more
Typical application scenariosSystem of record (financial ledger, inventory management, transaction record), identity...
» more
Application metrics Financial market data and algo trading DevOps monitoring Real-time...
» more
Key customersComcast, DoorDash, Mythical Games, Norfolk Southern, LUSH, Bose, Shipt, MyDoc, Bitski,...
» more
Market metrics8K+ long-running clusters 2.5K+ CockroachDB Self-Hosted clusters 15K+ CockroachDB...
» more
Licensing and pricing models- Apache 2.0 for core features released up to and including the 19.1 release - Time-limited...
» more
Apache 2.0.
» more
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More resources
Apache KylinCockroachDBQuestDB
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