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DBMS > gStore vs. KeyDB vs. SiteWhere vs. VelocityDB

System Properties Comparison gStore vs. KeyDB vs. SiteWhere vs. VelocityDB

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Editorial information provided by DB-Engines
NamegStore  Xexclude from comparisonKeyDB  Xexclude from comparisonSiteWhere  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA native Graph DBMS to store and maintain very large RDF datasets.An ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsM2M integration platform for persisting/querying time series dataA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelGraph DBMS
RDF store
Key-value storeTime Series DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.04
Rank#359  Overall
#37  Graph DBMS
#18  RDF stores
Score0.71
Rank#226  Overall
#33  Key-value stores
Score0.06
Rank#356  Overall
#35  Time Series DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websiteen.gstore.cngithub.com/­Snapchat/­KeyDB
keydb.dev
github.com/­sitewhere/­sitewherevelocitydb.com
Technical documentationen.gstore.cn/­#/­enDocsdocs.keydb.devsitewhere1.sitewhere.io/­index.htmlvelocitydb.com/­UserGuide
DeveloperEQ Alpha Technology Ltd.SiteWhereVelocityDB Inc
Initial release2016201920102011
Current release1.2, November 20237.x
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoBSD-3Open Source infoCommon Public Attribution License Version 1.0commercial
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++JavaC#
Server operating systemsLinuxLinuxLinux
OS X
Windows
Any that supports .NET
Data schemeschema-free and OWL/RDFS-schema supportschema-freepredefined schemeyes
Typing infopredefined data types such as float or dateyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyesyes
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 indexesyes infoby using the Redis Search modulenoyes
SQL infoSupport of SQLnononono
APIs and other access methodsHTTP API
SPARQL 1.1
Proprietary protocol infoRESP - REdis Serialization ProtocoHTTP REST.Net
Supported programming languagesC++
Java
JavaScript (Node.js)
PHP
Python
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
.Net
Server-side scripts infoStored proceduresyesLuano
TriggersnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
selectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesOptimistic locking, atomic execution of commands blocks and scriptsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyes
User concepts infoAccess controlUsers, roles and permissions, Role-Based Access Control (RBAC) supportedsimple password-based access control and ACLUsers with fine-grained authorization conceptBased on Windows Authentication

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More resources
gStoreKeyDBSiteWhereVelocityDB
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