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DBMS > Quasardb vs. XTDB vs. YTsaurus

System Properties Comparison Quasardb vs. XTDB vs. YTsaurus

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Editorial information provided by DB-Engines
NameQuasardb  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionDistributed, high-performance timeseries databaseA general purpose database with bitemporal SQL and Datalog and graph queriesYTsaurus is an open source platform for distributed storage and processing.
Primary database modelTime Series DBMSDocument storeDocument store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#332  Overall
#28  Time Series DBMS
Score0.13
Rank#330  Overall
#45  Document stores
Score0.15
Rank#323  Overall
#44  Document stores
#47  Key-value stores
Websitequasar.aigithub.com/­xtdb/­xtdb
www.xtdb.com
ytsaurus.tech
Technical documentationdoc.quasar.ai/­masterwww.xtdb.com/­docsytsaurus.tech/­docs/­en
DeveloperquasardbJuxt Ltd.Yandex
Initial release200920192023
Current release3.14.1, January 20241.19, September 2021
License infoCommercial or Open Sourcecommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoMIT LicenseOpen Source infoApache License, Version 2.0
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 languageC++ClojureC++
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java 8 (and higher) VM
Linux
Ubuntu
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or dateyes infointeger and binaryyes, extensible-data-notation formatyes
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 indexesyes infowith tagsyes
SQL infoSupport of SQLSQL-like query languagelimited SQL, making use of Apache CalciteYQL, an SQL-based language, is supported
APIs and other access methodsHTTP APIHTTP REST
JDBC
Supported programming languages.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Clojure
Java
C++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoconsistent hashingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication with selectable replication factoryes, each node contains all datayes
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integrationnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using LevelDByes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoTransient mode
User concepts infoAccess controlCryptographically strong user authentication and audit trailAccess Control Lists

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More resources
QuasardbXTDB infoformerly named CruxYTsaurus
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