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DBMS > Elasticsearch vs. NCache vs. Oracle Rdb

System Properties Comparison Elasticsearch vs. NCache vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameElasticsearch  Xexclude from comparisonNCache  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricOpen source in-memory key-value store
Primary database modelSearch engineKey-value storeRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score152.16
Rank#7  Overall
#1  Search engines
Score1.05
Rank#149  Overall
#26  Key-value stores
Score1.01
Rank#152  Overall
#74  Relational DBMS
Websitewww.elastic.co/­products/­elasticsearchwww.alachisoft.com/­ncachewww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.html
Technical documentationwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmlwww.alachisoft.com/­resources/­docs
DeveloperElasticAlachisoftOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release201020041984
Current release7.3.0, August 20195.0, May 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2; Elastic LicenseOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Elasticsearch Service on Elastic Cloud: Try out the official hosted Elasticsearch and Kibana offering available on AWS and GCP that's powered by the creators of Elasticsearch.
Implementation languageJavaC#, C++, .NET
Server operating systemsAll OS with a Java VMWindowsHP Open VMS
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyes
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.nonono
Secondary indexesyes infoAll search fields are automatically indexedyesyes
SQL infoSupport of SQLSQL-like query languageSQL-like query syntax (OQL) for searching the cacheyes
APIs and other access methodsJava API
RESTful HTTP/JSON API
LINQ
Proprietary protocol
Supported programming languages.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
.Net
C#
Java
Visual Basic.NET
Server-side scripts infoStored proceduresyesno infosupport for stored procedures with SQL-Server CLR
Triggersyes infoby using the 'percolation' featureyes infoNotifications
Partitioning methods infoMethods for storing different data on different nodesShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectoryesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic lockingyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationyesno
User concepts infoAccess controlauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)
More information provided by the system vendor
ElasticsearchNCacheOracle Rdb
Specific characteristicsElasticsearch is a highly scalable open source full-text search and analytics engine....
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesOpen source, real-time index, search and analysis, horizontally scalable, distributed,...
» more
NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosSearch, logging, security, metrics, maps and business analytics use cases.
» more
NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customers
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMore than 400 million cumulative downloads More than 100,000 community members in...
» more
Market Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsThe Elastic Stack (Elasticsearch, Kibana, Beats, and Logstash) is free and open source...
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
News

Understanding Multi-Datacenter WAN Replication in NCache
19 February 2020

NCache becomes a RedHat Technology Partner.
23 January 2020

Best Practices for Monitoring NCache in Production
21 January 2020

NCache 5.0 SP2 Released
7 January 2020

Deploying NCache in Red Hat OpenShift
24 December 2019

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesElastic Cloud: Try the official hosted Elasticsearch.
» more

Dremio: Analyze your data with standard SQL and any BI tool. Accelerate your queries up to 1,000x.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
ElasticsearchNCacheOracle Rdb
DB-Engines blog posts

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2 March 2016, Paul Andlinger

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Recent citations in the news

Taming data transfer costs with Elasticsearch | Info
4 February 2020, The Guardian

Elastic Announces the General Availability of Elastic App Search on Elasticsearch Service
4 February 2020, Business Wire

Elastic Stack 7.6.0 Released
11 February 2020, Yahoo Finance

App Search on Elasticsearch Service launches
6 February 2020, App Developer Magazine

Elastic Stack 7.6 Released with Security, Performance, and Observability Improvements
19 February 2020, InfoQ.com

provided by Google News

How to use NCache in ASP.Net Core
25 February 2019, InfoWorld

NCache Distributed Cache for .NET Gets Open Sourced
28 January 2015, Visual Studio Magazine

In-Memory Key-Value Databases: NCache (Initial Evaluation)
31 October 2018, GameDev.net

Basic NCache is Now Open Source
10 March 2015, InfoQ.com

Velocity: Microsoft's Distributed In-Memory Cache
4 June 2008, InfoQ.com

provided by Google News

Database Types from Hierarchical to Graph: An Industry Breakdown
30 May 2018, Dice Insights

New Eclipse Tools for OpenVMS and Oracle RDB Certified by eCube Systems to Work with NXTware Remote
12 November 2013, PR Web

Transoft Completes Migration Of Key Nuclear Fuels Production Control System - News - Nuclear Power News - Nuclear Street
2 October 2009, Nuclear Power Portal

provided by Google News

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