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DBMS > NCache vs. XTDB

System Properties Comparison NCache vs. XTDB

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelKey-value storeDocument store
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.85
Rank#203  Overall
#30  Key-value stores
Score0.20
Rank#314  Overall
#46  Document stores
Websitewww.alachisoft.com/­ncachegithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationwww.alachisoft.com/­resources/­docswww.xtdb.com/­docs
DeveloperAlachisoftJuxt Ltd.
Initial release20052019
Current release5.3.3, April 20241.19, September 2021
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#, .NET, .NET Core, JavaClojure
Server operating systemsLinux
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes, extensible-data-notation format
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
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.limited SQL, making use of Apache Calcite
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
HTTP REST
JDBC
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Clojure
Java
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRno
Triggersyes infoNotificationsno
Partitioning methods infoMethods for storing different data on different nodesyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)

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More resources
NCacheXTDB infoformerly named Crux
Recent citations in the news

How to use NCache in ASP.Net Core
9 July 2024, InfoWorld

Custom Response Caching Using NCache in ASP.NET Core
22 April 2020, infoq.com

provided by Google News



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