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DBMS > Blueflood vs. Oracle Coherence vs. Transwarp StellarDB

System Properties Comparison Blueflood vs. Oracle Coherence vs. Transwarp StellarDB

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonOracle Coherence  Xexclude from comparisonTranswarp StellarDB  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraOracles in-memory data grid solutionA distributed graph DBMS built for enterprise-level graph applications
Primary database modelTime Series DBMSKey-value storeGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.07
Rank#371  Overall
#39  Graph DBMS
Websiteblueflood.iowww.oracle.com/­java/­coherencewww.transwarp.cn/­en/­product/­stellardb
Technical documentationgithub.com/­rax-maas/­blueflood/­wikidocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperRackspaceOracleTranswarp
Initial release20132007
Current release14.1, August 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava
Server operating systemsLinux
OS X
All OS with a Java VM
Data schemepredefined schemeschema-free
Typing infopredefined data types such as float or dateyesyes
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.nono
Secondary indexesnono
SQL infoSupport of SQLnonoSQL-like query language
APIs and other access methodsHTTP RESTJCache
JPA
RESTful HTTP API
OpenCypher
Supported programming languages.Net
C++
Java
Server-side scripts infoStored proceduresnono
Triggersnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandrayes, with selectable consistency level
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
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnoauthentification to access the cache via certificates or http basic authenticationyes

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More resources
BluefloodOracle CoherenceTranswarp StellarDB
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