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DBMS > Blueflood vs. Graph Engine vs. TerarkDB

System Properties Comparison Blueflood vs. Graph Engine vs. TerarkDB

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonGraph Engine infoformer name: Trinity  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraA distributed in-memory data processing engine, underpinned by a strongly-typed RAM store and a general distributed computation engineA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelTime Series DBMSGraph DBMS
Key-value store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#315  Overall
#28  Time Series DBMS
Score0.83
Rank#189  Overall
#17  Graph DBMS
#31  Key-value stores
Score0.01
Rank#344  Overall
#54  Key-value stores
Websiteblueflood.iowww.graphengine.iogithub.com/­Terark/­terarkdb
Technical documentationgithub.com/­rackerlabs/­blueflood/­wikiwww.graphengine.io/­docs/­manualgithub.com/­Terark/­terarkdb/­wiki
DeveloperRackspaceMicrosoftTerark
Initial release201320102016
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoMIT Licensecommercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava.NET and CC++
Server operating systemsLinux
OS X
.NET
Data schemepredefined schemeyesschema-free
Typing infopredefined data types such as float or dateyesyesno
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 indexesnono
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP RESTRESTful HTTP APIC++ API
Java API
Supported programming languagesC#
C++
F#
Visual Basic
C++
Java
Server-side scripts infoStored proceduresnoyesno
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandrahorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual 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 datanonono
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesoptional: either by committing a write-ahead log (WAL) to the local persistent storage or by dumping the memory to a persistent storageyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlnono

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More resources
BluefloodGraph Engine infoformer name: TrinityTerarkDB
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