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DBMS > OpenTSDB vs. Postgres-XL vs. Titan vs. Transwarp Hippo

System Properties Comparison OpenTSDB vs. Postgres-XL vs. Titan vs. Transwarp Hippo

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Editorial information provided by DB-Engines
NameOpenTSDB  Xexclude from comparisonPostgres-XL  Xexclude from comparisonTitan  Xexclude from comparisonTranswarp Hippo  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.
DescriptionScalable Time Series DBMS based on HBaseBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresTitan is a Graph DBMS optimized for distributed clusters.Cloud-native distributed Vector DBMS that supports storage, retrieval, and management of massive vector-based datasets
Primary database modelTime Series DBMSRelational DBMSGraph DBMSVector DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score0.53
Rank#254  Overall
#117  Relational DBMS
Score0.05
Rank#386  Overall
#14  Vector DBMS
Websiteopentsdb.netwww.postgres-xl.orggithub.com/­thinkaurelius/­titanwww.transwarp.cn/­en/­subproduct/­hippo
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlwww.postgres-xl.org/­documentationgithub.com/­thinkaurelius/­titan/­wiki
Developercurrently maintained by Yahoo and other contributorsAurelius, owned by DataStax
Initial release20112014 infosince 2012, originally named StormDB20122023
Current release10 R1, October 20181.0, May 2023
License infoCommercial or Open SourceOpen Source infoLGPLOpen Source infoMozilla public licenseOpen Source infoApache license, version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaCJavaC++
Server operating systemsLinux
Windows
Linux
macOS
Linux
OS X
Unix
Windows
Linux
macOS
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsyesyesVector, Numeric and String
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.noyes infoXML type, but no XML query functionalityno
Secondary indexesnoyesyesno
SQL infoSupport of SQLnoyes infodistributed, parallel query executionnono
APIs and other access methodsHTTP API
Telnet API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
RESTful HTTP API
Supported programming languagesErlang
Go
Java
Python
R
Ruby
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Clojure
Java
Python
C++
Java
Python
Server-side scripts infoStored proceduresnouser defined functionsyesno
Triggersnoyesyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBasehorizontal partitioningyes infovia pluggable storage backendsSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia Faunus, a graph analytics engineno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesyes infoRelationships in graphno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infoMVCCACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcastyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardUser authentification and security via Rexster Graph ServerRole based access control and fine grained access rights

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More resources
OpenTSDBPostgres-XLTitanTranswarp Hippo
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