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DBMS > etcd vs. JSqlDb vs. NCache

System Properties Comparison etcd vs. JSqlDb vs. NCache

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Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonJSqlDb  Xexclude from comparisonNCache  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionA distributed reliable key-value storeJavaScript Query Language Database, stores JavaScript objects and primitivesOpen-Source and Enterprise in-memory Key-Value Store
Primary database modelKey-value storeDocument store
Object oriented DBMS
Key-value store
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.14
Rank#47  Overall
#5  Key-value stores
Score0.85
Rank#203  Overall
#30  Key-value stores
Websiteetcd.io
github.com/­etcd-io/­etcd
jsqldb.org (offline)www.alachisoft.com/­ncache
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
www.alachisoft.com/­resources/­docs
DeveloperKonrad von BackstromAlachisoft
Initial release20182005
Current release3.4, August 20190.8, December 20185.3.3, April 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open SourceOpen Source infoEnterprise Edition available
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.
Implementation languageGoC#, .NET, .NET Core, Java
Server operating systemsFreeBSD
Linux
Windows infoexperimental
Linux
macOS
Windows
Linux
Windows
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenonopartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counter
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 indexesnonoyes
SQL infoSupport of SQLnonoSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.
APIs and other access methodsgRPC
JSON over HTTP
IDistributedCache
JCache
LINQ
Proprietary native API
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
JavaScript.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Server-side scripts infoStored proceduresnofunctions in JavaScriptno infosupport for stored procedures with SQL-Server CLR
Triggersyes, watching key changesnoyes infoNotifications
Partitioning methods infoMethods for storing different data on different nodesnoneyes
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.noneyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic locking and pessimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnoAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)

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More resources
etcdJSqlDbNCache
Recent citations in the news

Etcd Joins CNCF’s Growing Cache of Open Source Projects
5 May 2025, SDx Central

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17 November 2020, Amazon Web Services

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16 December 2021, TechTarget

ETCD guidelines: RBI seeks to balance rupee stability, competitiveness | Policy Circle
8 April 2024, policycircle.org

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18 January 2018, OpenAI

provided by Google News

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