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DBMS > Ehcache vs. GeoMesa vs. Heroic vs. VelocityDB

System Properties Comparison Ehcache vs. GeoMesa vs. Heroic vs. VelocityDB

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonGeoMesa  Xexclude from comparisonHeroic  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeSpatial DBMSTime Series DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score6.52
Rank#65  Overall
#8  Key-value stores
Score0.75
Rank#204  Overall
#3  Spatial DBMS
Score0.22
Rank#283  Overall
#22  Time Series DBMS
Score0.02
Rank#341  Overall
#35  Graph DBMS
#17  Object oriented DBMS
Websitewww.ehcache.orgwww.geomesa.orgspotify.github.io/­heroic/­#!/­indexvelocitydb.com
Technical documentationwww.ehcache.org/­documentationwww.geomesa.org/­documentation/­stable/­user/­index.htmlspotify.github.io/­heroic/­#!/­docs/­overviewvelocitydb.com/­UserGuide
DeveloperTerracotta Inc, owned by Software AGCCRi and othersSpotifyVelocityDB Inc
Initial release2009201420142011
Current release3.9.6, September 20213.2.0, April 20217.x
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache License 2.0Open Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScalaJavaC#
Server operating systemsAll OS with a Java VMAny that supports .NET
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 infovia Elasticsearchyes
SQL infoSupport of SQLnononono
APIs and other access methodsJCacheHQL (Heroic Query Language, a JSON-based language)
HTTP API
.Net
Supported programming languagesJava.Net
Server-side scripts infoStored proceduresnononono
Triggersyes infoCache Event ListenersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Serverdepending on storage layerShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta Serverdepending on storage layeryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)depending on storage layerEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourcenonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesdepending on storage layernoyes
User concepts infoAccess controlnoyes infodepending on the DBMS used for storageBased on Windows Authentication

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EhcacheGeoMesaHeroicVelocityDB
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