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DBMS > KairosDB vs. OpenMLDB vs. RavenDB vs. TigerGraph vs. Titan

System Properties Comparison KairosDB vs. OpenMLDB vs. RavenDB vs. TigerGraph vs. Titan

Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonOpenMLDB  Xexclude from comparisonRavenDB  Xexclude from comparisonTigerGraph  Xexclude from comparisonTitan  Xexclude from comparison
Titan has been decommisioned after the takeover by Datastax. It will be removed from the DB-Engines ranking. A fork has been open-sourced as JanusGraph.
DescriptionDistributed Time Series DBMS based on Cassandra or H2An open-source machine learning database that provides a feature platform for training and inferenceOpen Source Operational and Transactional Enterprise NoSQL Document DatabaseA complete, distributed, parallel graph computing platform supporting web-scale data analytics in real-timeTitan is a Graph DBMS optimized for distributed clusters.
Primary database modelTime Series DBMSTime Series DBMSDocument storeGraph DBMSGraph DBMS
Secondary database modelsRelational DBMSGraph DBMS
Spatial DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.57
Rank#238  Overall
#20  Time Series DBMS
Score0.08
Rank#344  Overall
#30  Time Series DBMS
Score2.70
Rank#99  Overall
#18  Document stores
Score1.40
Rank#152  Overall
#14  Graph DBMS
Websitegithub.com/­kairosdb/­kairosdbopenmldb.airavendb.netwww.tigergraph.comgithub.com/­thinkaurelius/­titan
Technical documentationkairosdb.github.ioopenmldb.ai/­docs/­zh/­mainravendb.net/­docsdocs.tigergraph.comgithub.com/­thinkaurelius/­titan/­wiki
Developer4 Paradigm Inc.Hibernating RhinosAurelius, owned by DataStax
Initial release20132020201020172012
Current release1.2.2, November 20182024-2 February 20245.4, July 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoAGPL version 3, commercial license availablecommercialOpen Source infoApache license, version 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++, Java, ScalaC#C++Java
Server operating systemsLinux
OS X
Windows
LinuxLinux
macOS
Raspberry Pi
Windows
LinuxLinux
OS X
Unix
Windows
Data schemeschema-freeFixed schemaschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesnoyesyes
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 indexesnoyesyesyes
SQL infoSupport of SQLnoyesSQL-like query language (RQL)SQL-like query language (GSQL)no
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
JDBC
SQLAlchemy
.NET Client API
F# Client API
Go Client API
Java Client API
NodeJS Client API
PHP Client API
Python Client API
RESTful HTTP API
GSQL (TigerGraph Query Language)
Kafka
RESTful HTTP/JSON API
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
C++
Go
Java
Python
Scala
.Net
C#
F#
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
C++
Java
Clojure
Java
Python
Server-side scripts infoStored proceduresnonoyesyesyes
Triggersnonoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandrahorizontal partitioningShardingyes infovia pluggable storage backends
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replicationMulti-source replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesyes infovia Faunus, a graph analytics engine
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyDefault ACID transactions on the local node (eventually consistent across the cluster). Atomic operations with cluster-wide ACID transactions. Eventual consistency for indexes and full-text search indexes.Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynononoyes infoRelationships in graphsyes infoRelationships in graph
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID, Cluster-wide transaction availableACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcast
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlsimple password-based access controlfine grained access rights according to SQL-standardAuthorization levels configured per client per databaseRole-based access controlUser authentification and security via Rexster Graph Server

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More resources
KairosDBOpenMLDBRavenDBTigerGraphTitan
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