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DBMS > NCache vs. OpenTSDB vs. Realm vs. WakandaDB

System Properties Comparison NCache vs. OpenTSDB vs. Realm vs. WakandaDB

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonOpenTSDB  Xexclude from comparisonRealm  Xexclude from comparisonWakandaDB  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreScalable Time Series DBMS based on HBaseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataWakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database modelKey-value storeTime Series DBMSDocument storeObject oriented DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.98
Rank#196  Overall
#29  Key-value stores
Score1.73
Rank#147  Overall
#12  Time Series DBMS
Score7.71
Rank#52  Overall
#9  Document stores
Score0.09
Rank#352  Overall
#16  Object oriented DBMS
Websitewww.alachisoft.com/­ncacheopentsdb.netrealm.iowakanda.github.io
Technical documentationwww.alachisoft.com/­resources/­docsopentsdb.net/­docs/­build/­html/­index.htmlrealm.io/­docswakanda.github.io/­doc
DeveloperAlachisoftcurrently maintained by Yahoo and other contributorsRealm, acquired by MongoDB in May 2019Wakanda SAS
Initial release2005201120142012
Current release5.3.3, April 20242.7.0 (April 29, 2019), April 2019
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoLGPLOpen SourceOpen Source infoAGPLv3, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#, .NET, .NET Core, JavaJavaC++, JavaScript
Server operating systemsLinux
Windows
Linux
Windows
Android
Backend: server-less
iOS
Windows
Linux
OS X
Windows
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counternumeric data for metrics, strings for tagsyesyes
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 indexesyesnoyes
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.nonono
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
HTTP API
Telnet API
RESTful HTTP API
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Erlang
Go
Java
Python
R
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
JavaScript
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRnono inforuns within the applications so server-side scripts are unnecessaryyes
Triggersyes infoNotificationsnoyes infoChange Listenersyes
Partitioning methods infoMethods for storing different data on different nodesyesSharding infobased on HBasenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelselectable replication factor infobased on HBasenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency infobased on HBaseImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yesnoyes infoIn-Memory realmno
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)noyesyes
More information provided by the system vendor
NCacheOpenTSDBRealmWakandaDB
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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More resources
NCacheOpenTSDBRealmWakandaDB
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