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DBMS > Cachelot.io vs. IRONdb vs. Percona Server for MySQL vs. TerminusDB vs. VelocityDB

System Properties Comparison Cachelot.io vs. IRONdb vs. Percona Server for MySQL vs. TerminusDB vs. VelocityDB

Editorial information provided by DB-Engines
NameCachelot.io  Xexclude from comparisonIRONdb  Xexclude from comparisonPercona Server for MySQL  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
IRONdb seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionIn-memory caching systemA distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityEnhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.Scalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeTime Series DBMSRelational DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.04
Rank#388  Overall
#62  Key-value stores
Score2.10
Rank#119  Overall
#57  Relational DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitecachelot.iowww.circonus.com/solutions/time-series-database/www.percona.com/­software/­mysql-database/­percona-serverterminusdb.comvelocitydb.com
Technical documentationdocs.circonus.com/irondb/category/getting-startedwww.percona.com/­downloads/­Percona-Server-LATESTterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperCirconus LLC.PerconaDataChemist Ltd.VelocityDB Inc
Initial release20152017200820182011
Current releaseV0.10.20, January 20188.0.36-28, 202411.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoSimplified BSD LicensecommercialOpen Source infoGPL version 2Open Source infoGPL V3commercial
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 languageC++C and C++C and C++Prolog, RustC#
Server operating systemsFreeBSD
Linux
OS X
LinuxLinuxLinuxAny that supports .NET
Data schemeschema-freeschema-freeyesyesyes
Typing infopredefined data types such as float or datenoyes infotext, numeric, histogramsyesyesyes
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.nonoyesnono
Secondary indexesnonoyesyes
SQL infoSupport of SQLnoSQL-like query language (Circonus Analytics Query Language: CAQL)yesSQL-like query language (WOQL)no
APIs and other access methodsMemcached protocolHTTP APIADO.NET
JDBC
ODBC
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
OCaml
Perl
PHP
Python
Ruby
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
Ada
C
C#
C++
D
Eiffel
Erlang
Haskell
Java
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
JavaScript
Python
.Net
Server-side scripts infoStored proceduresnoyes, in Luayesyesno
TriggersnonoyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneAutomatic, metric affinity per nodeGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneconfigurable replication factor, datacenter awareMulti-source replication
Source-replica replication
XtraDB Cluster
Journaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate consistency per node, eventual consistency across nodesImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentnoyesyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlnonoUsers with fine-grained authorization concept infono user groups or rolesRole-based access controlBased on Windows Authentication

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More resources
Cachelot.ioIRONdbPercona Server for MySQLTerminusDB infoformer name was DataChemistVelocityDB
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