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DBMS > Dragonfly vs. Quasardb vs. RisingWave vs. SiteWhere

System Properties Comparison Dragonfly vs. Quasardb vs. RisingWave vs. SiteWhere

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Editorial information provided by DB-Engines
NameDragonfly  Xexclude from comparisonQuasardb  Xexclude from comparisonRisingWave  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionA drop-in Redis replacement that scales vertically to support millions of operations per second and terabyte sized workloads, all on a single instanceDistributed, high-performance timeseries databaseA distributed RDBMS for stream processing, wire-compatible with PostgreSQLM2M integration platform for persisting/querying time series data
Primary database modelKey-value storeTime Series DBMSRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.49
Rank#261  Overall
#38  Key-value stores
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score0.64
Rank#238  Overall
#110  Relational DBMS
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websitegithub.com/­dragonflydb/­dragonfly
www.dragonflydb.io
quasar.aiwww.risingwave.com/­databasegithub.com/­sitewhere/­sitewhere
Technical documentationwww.dragonflydb.io/­docsdoc.quasar.ai/­masterdocs.risingwave.com/­docs/­current/­intrositewhere1.sitewhere.io/­index.html
DeveloperDragonflyDB team and community contributorsquasardbRisingWave LabsSiteWhere
Initial release2023200920222010
Current release1.0, March 20233.14.1, January 20241.2, September 2023
License infoCommercial or Open SourceOpen Source infoBSL 1.1commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoApache Version 2.0Open Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++RustJava
Server operating systemsLinuxBSD
Linux
OS X
Windows
Docker
Linux
macOS
Linux
OS X
Windows
Data schemescheme-freeschema-freeyespredefined scheme
Typing infopredefined data types such as float or datestrings, hashes, lists, sets, sorted sets, bit arraysyes infointeger and binaryStandard SQL-types and JSONyes
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.nononono
Secondary indexesnoyes infowith tagsyesno
SQL infoSupport of SQLnoSQL-like query languageyesno
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocolHTTP APIJDBC
PostgreSQL wire protocol
HTTP REST
Supported programming languagesC
C#
C++
Clojure
D
Dart
Elixir
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
Objective-C
Perl
PHP
Python
R
Ruby
Rust
Scala
Swift
Tcl
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresLuanoUDFs in Python or Java
Triggerspublish/subscribe channels provide some trigger functionalitynono
Partitioning methods infoMethods for storing different data on different nodesSharding infoconsistent hashingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replication with selectable replication factorselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of command blocks and scriptsACIDnono
Concurrency infoSupport for concurrent manipulation of datayes, strict serializability by the serveryesyes
Durability infoSupport for making data persistentyesyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTransient modeyesno
User concepts infoAccess controlPassword-based authenticationCryptographically strong user authentication and audit trailUsers and RolesUsers with fine-grained authorization concept

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More resources
DragonflyQuasardbRisingWaveSiteWhere
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