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DBMS > Alibaba Cloud Log Service vs. CouchDB vs. FatDB vs. RDFox

System Properties Comparison Alibaba Cloud Log Service vs. CouchDB vs. FatDB vs. RDFox

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Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonFatDB  Xexclude from comparisonRDFox  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.A native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A .NET NoSQL DBMS that can integrate with and extend SQL Server.High performance knowledge graph and semantic reasoning engine
Primary database modelSearch engineDocument storeDocument store
Key-value store
Graph DBMS
RDF store
Secondary database modelsSpatial DBMS infousing the Geocouch extensionRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#265  Overall
#18  Search engines
Score9.30
Rank#45  Overall
#7  Document stores
Score0.23
Rank#308  Overall
#25  Graph DBMS
#14  RDF stores
Websitewww.alibabacloud.com/­product/­log-servicecouchdb.apache.orgwww.oxfordsemantic.tech
Technical documentationwww.alibabacloud.com/­help/­en/­slsdocs.couchdb.org/­en/­stabledocs.oxfordsemantic.tech
DeveloperAlibabaCloud Inc.Apache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerFatCloudOxford Semantic Technologies
Initial release2016200520122017
Current release3.3.3, December 20236.0, Septermber 2022
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2commercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC#C++
Server operating systemshostedAndroid
BSD
Linux
OS X
Solaris
Windows
WindowsLinux
macOS
Windows
Data schemeschema-freeschema-freeschema-freeyes infoRDF schemas
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.nono
Secondary indexesyesyes infovia viewsyes
SQL infoSupport of SQLSQL for queryingnono infoVia inetgration in SQL Serverno
APIs and other access methodsHTTP RESTRESTful HTTP/JSON API.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
RESTful HTTP API
SPARQL 1.1
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C#C
Java
Server-side scripts infoStored proceduresnoView functions in JavaScriptyes infovia applications
Triggersyesyesyes infovia applications
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoimproved architecture with release 2.0Sharding
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasMulti-source replication
Source-replica replication
selectable replication factorreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectoryesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single document possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyes
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 controlAlibaba Cloud user access controlAccess rights for users can be defined per databaseno infoCan implement custom security layer via applicationsRoles, resources, and access types
More information provided by the system vendor
Alibaba Cloud Log ServiceCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"FatDBRDFox
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Key customers* Alibaba & Ant-Finance:he infrastructure service for the Corp * Over 22k Subscriber...
» more
Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
» more

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Alibaba Cloud Log ServiceCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"FatDBRDFox
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