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DBMS > GreptimeDB vs. NSDb vs. OushuDB

System Properties Comparison GreptimeDB vs. NSDb vs. OushuDB

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Editorial information provided by DB-Engines
NameGreptimeDB  Xexclude from comparisonNSDb  Xexclude from comparisonOushuDB  Xexclude from comparison
DescriptionAn open source Time Series DBMS built for increased scalability, high performance and efficiencyScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning
Primary database modelTime Series DBMSTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.12
Rank#351  Overall
#34  Time Series DBMS
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score0.10
Rank#355  Overall
#154  Relational DBMS
Websitegreptime.comnsdb.iowww.oushu.com/­product/­oushuDB
Technical documentationdocs.greptime.comnsdb.io/­Architecturewww.oushu.com/­documentation
DeveloperGreptime Inc.Oushu
Initial release20222017
Current release4.0.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageRustJava, Scala
Server operating systemsAndroid
Docker
FreeBSD
Linux
macOS
Windows
Linux
macOS
Linux
Data schemeschema-free, schema definition possibleyes
Typing infopredefined data types such as float or dateyesyes: int, bigint, decimal, stringyes
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.nono
Secondary indexesyesall fields are automatically indexedyes
SQL infoSupport of SQLyesSQL-like query languageFull-featured ANSI SQL support
APIs and other access methodsgRPC
HTTP API
JDBC
gRPC
HTTP REST
WebSocket
JDBC
ODBC
Supported programming languagesC++
Erlang
Go
Java
JavaScript
Java
Scala
C
C++
Server-side scripts infoStored proceduresPythonnoyes
Triggersyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesUsing Apache Luceneyes
User concepts infoAccess controlSimple rights management via user accountsKerberos, SSL and role based access
More information provided by the system vendor
GreptimeDBNSDbOushuDB
Specific characteristicsGreptimeDB is a SQL & Python-enabled timeseries database system built from scratch...
» more
Competitive advantages- Inherits advantages of Rust, such as excellent performance, memory safe, resource...
» more
Typical application scenariosFor IoT industries, GreptimeDB can seamless integrate with message queues and other...
» more
Key customersGreptime's clients span multiple sectors including IoT, connected vehicles, and energy...
» more
Market metricsGreptimeDB has garnered global recognition by topping GitHub trends following its...
» more
Licensing and pricing modelsGreptimeDB: open source, distributed, cloud-native TSDB; supports Hybrid Time-series...
» more

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GreptimeDBNSDbOushuDB
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