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DBMS > Blueflood vs. Dgraph vs. Hypertable vs. IBM Cloudant

System Properties Comparison Blueflood vs. Dgraph vs. Hypertable vs. IBM Cloudant

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonDgraph  Xexclude from comparisonHypertable  Xexclude from comparisonIBM Cloudant  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionScalable TimeSeries DBMS based on CassandraDistributed and scalable native Graph DBMSAn open source BigTable implementation based on distributed file systems such as HadoopDatabase as a Service offering based on Apache CouchDB
Primary database modelTime Series DBMSGraph DBMSWide column storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#353  Overall
#34  Time Series DBMS
Score1.45
Rank#156  Overall
#15  Graph DBMS
Score2.68
Rank#106  Overall
#20  Document stores
Websiteblueflood.iodgraph.iowww.ibm.com/­products/­cloudant
Technical documentationgithub.com/­rax-maas/­blueflood/­wikidgraph.io/­docscloud.ibm.com/­docs/­Cloudant
DeveloperRackspaceDgraph Labs, Inc.Hypertable Inc.IBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014
Initial release2013201620092010
Current release0.9.8.11, March 2016
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache 2.0Open Source infoGNU version 3. Commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaGoC++Erlang
Server operating systemsLinux
OS X
Linux
OS X
Windows
Linux
OS X
Windows infoan inofficial Windows port is available
hosted
Data schemepredefined schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnono
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 indexesnoyesrestricted infoonly exact value or prefix value scansyes
SQL infoSupport of SQLnononono
APIs and other access methodsHTTP RESTGraphQL query language
gRPC (using protocol buffers) API
HTTP API
C++ API
Thrift
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
C++
Java
Perl
PHP
Python
Ruby
C#
Java
JavaScript
Objective-C
PHP
Ruby
Server-side scripts infoStored proceduresnononoView functions (Map-Reduce) in JavaScript
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandrayesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSynchronous replication via Raftselectable replication factor on file system levelMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnono infoatomic operations within a document possible
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoOptimistic locking
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnono infoPlanned for future releasesnoAccess rights for users can be defined per database

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BluefloodDgraphHypertableIBM Cloudant
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