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DBMS > IRONdb vs. StarRocks vs. ToroDB vs. VelocityDB

System Properties Comparison IRONdb vs. StarRocks vs. ToroDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameIRONdb  Xexclude from comparisonStarRocks  Xexclude from comparisonToroDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
IRONdb seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache DorisA MongoDB-compatible JSON document store, built on top of PostgreSQLA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSRelational DBMSDocument storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.93
Rank#198  Overall
#93  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.circonus.com/solutions/time-series-database/www.starrocks.iogithub.com/­torodb/­servervelocitydb.com
Technical documentationdocs.circonus.com/irondb/category/getting-starteddocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_introvelocitydb.com/­UserGuide
DeveloperCirconus LLC.The Linux Foundation infosince Feb 20238KdataVelocityDB Inc
Initial release2017202020162011
Current releaseV0.10.20, January 20183.3, June 20247.x
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0Open Source infoAGPL-V3commercial
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 languageC and C++C++, JavaJavaC#
Server operating systemsLinuxLinuxAll OS with a Java 7 VMAny that supports .NET
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyes infotext, numeric, histogramsyesyes infostring, integer, double, boolean, date, object_idyes
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 indexesnoyesyes
SQL infoSupport of SQLSQL-like query language (Circonus Analytics Query Language: CAQL)yesno
APIs and other access methodsHTTP APIJDBC
MySQL protocol
.Net
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
Java.Net
Server-side scripts infoStored proceduresyes, in Luauser defined functionsno
TriggersnononoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesAutomatic, metric affinity per nodehorizontal partitioning (by range and hash)ShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesconfigurable replication factor, datacenter awareSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate consistency per node, eventual consistency across nodesImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlnoRole based access control and fine grained access rightsAccess rights for users and rolesBased on Windows Authentication

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More resources
IRONdbStarRocksToroDBVelocityDB
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