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DBMS > GeoMesa vs. RocksDB vs. VelocityDB vs. Yaacomo

System Properties Comparison GeoMesa vs. RocksDB vs. VelocityDB vs. Yaacomo

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Editorial information provided by DB-Engines
NameGeoMesa  Xexclude from comparisonRocksDB  Xexclude from comparisonVelocityDB  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.Embeddable persistent key-value store optimized for fast storage (flash and RAM)A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelSpatial DBMSKey-value storeGraph DBMS
Object oriented DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.78
Rank#214  Overall
#4  Spatial DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Score0.00
Rank#385  Overall
#40  Graph DBMS
#21  Object oriented DBMS
Websitewww.geomesa.orgrocksdb.orgvelocitydb.comyaacomo.com
Technical documentationwww.geomesa.org/­documentation/­stable/­user/­index.htmlgithub.com/­facebook/­rocksdb/­wikivelocitydb.com/­UserGuide
DeveloperCCRi and othersFacebook, Inc.VelocityDB IncQ2WEB GmbH
Initial release2014201320112009
Current release5.0.1, July 20249.4.0, June 20247.x
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open Source infoBSDcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageScalaC++C#
Server operating systemsLinuxAny that supports .NETAndroid
Linux
Windows
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyesnoyesyes
SQL infoSupport of SQLnononoyes
APIs and other access methodsC++ API
Java API
.NetJDBC
ODBC
Supported programming languagesC
C++
Go
Java
Perl
Python
Ruby
.Net
Server-side scripts infoStored proceduresnonono
TriggersnoCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesdepending on storage layerhorizontal partitioningShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesdepending on storage layeryesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemdepending on storage layerImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesACIDACID
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.depending on storage layeryesyesyes
User concepts infoAccess controlyes infodepending on the DBMS used for storagenoBased on Windows Authenticationfine grained access rights according to SQL-standard

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More resources
GeoMesaRocksDBVelocityDBYaacomo
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