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DBMS > Apache Doris vs. KairosDB vs. openGemini

System Properties Comparison Apache Doris vs. KairosDB vs. openGemini

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Editorial information provided by DB-Engines
NameApache Doris  Xexclude from comparisonKairosDB  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionAn MPP-based analytics DBMS embracing the MySQL protocolDistributed Time Series DBMS based on Cassandra or H2An open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelRelational DBMSTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.89
Rank#220  Overall
#101  Relational DBMS
Score0.64
Rank#252  Overall
#21  Time Series DBMS
Score0.03
Rank#376  Overall
#40  Time Series DBMS
Websitedoris.apache.org
github.com/­apache/­doris
github.com/­kairosdb/­kairosdbwww.opengemini.org
github.com/­openGemini
Technical documentationgithub.com/­apache/­doris/­wikikairosdb.github.iodocs.opengemini.org/­guide
DeveloperApache Software Foundation, originally contributed from BaiduHuawei and openGemini community
Initial release201720132022
Current release1.2.2, February 20231.2.2, November 20181.1, July 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoApache 2.0Open Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaGo
Server operating systemsLinuxLinux
OS X
Windows
Linux
Windows
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesInteger, Float, Boolean, String
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 indexesyesnoyes
SQL infoSupport of SQLyesnoSQL-like query language
APIs and other access methodsJDBC
MySQL client
Graphite protocol
HTTP REST
Telnet API
HTTP REST
Supported programming languagesJavaJava
JavaScript infoNode.js
PHP
Python
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresuser defined functionsnono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on Cassandrayes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
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
User concepts infoAccess controlfine grained access rights according to SQL-standardsimple password-based access controlAdministrators and common users accounts

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More resources
Apache DorisKairosDBopenGemini
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