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DBMS > OpenTSDB vs. Oracle Coherence vs. TigerGraph vs. VelocityDB

System Properties Comparison OpenTSDB vs. Oracle Coherence vs. TigerGraph vs. VelocityDB

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Editorial information provided by DB-Engines
NameOpenTSDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonTigerGraph  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionScalable Time Series DBMS based on HBaseOracles in-memory data grid solutionA complete, distributed, parallel graph computing platform supporting web-scale data analytics in real-timeA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSKey-value storeGraph DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.59
Rank#140  Overall
#12  Time Series DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score1.44
Rank#152  Overall
#14  Graph DBMS
Score0.00
Rank#385  Overall
#40  Graph DBMS
#21  Object oriented DBMS
Websiteopentsdb.netwww.oracle.com/­java/­coherencewww.tigergraph.comvelocitydb.com
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmldocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.tigergraph.comvelocitydb.com/­UserGuide
Developercurrently maintained by Yahoo and other contributorsOracleVelocityDB Inc
Initial release2011200720172011
Current release14.1, August 20237.x
License infoCommercial or Open SourceOpen Source infoLGPLcommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC++C#
Server operating systemsLinux
Windows
All OS with a Java VMLinuxAny that supports .NET
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsyesyesyes
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 indexesnonoyes
SQL infoSupport of SQLnonoSQL-like query language (GSQL)no
APIs and other access methodsHTTP API
Telnet API
JCache
JPA
RESTful HTTP API
GSQL (TigerGraph Query Language)
Kafka
RESTful HTTP/JSON API
.Net
Supported programming languagesErlang
Go
Java
Python
R
Ruby
.Net
C++
Java
C++
Java
.Net
Server-side scripts infoStored proceduresnonoyesno
Triggersnoyes infoLive EventsnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBaseShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurableACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyes
User concepts infoAccess controlnoauthentification to access the cache via certificates or http basic authenticationRole-based access controlBased on Windows Authentication

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More resources
OpenTSDBOracle CoherenceTigerGraphVelocityDB
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