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DBMS > NCache vs. Solr vs. Sqrrl

System Properties Comparison NCache vs. Solr vs. Sqrrl

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonSolr  Xexclude from comparisonSqrrl  Xexclude from comparison
Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It will be removed from the DB-Engines ranking.
DescriptionOpen source in-memory key-value storeA widely used enterprise search engine based on Apache LuceneAdaptable, secure NoSQL built on Apache Accumulo
Primary database modelKey-value storeSearch engineDocument store
Graph DBMS
Key-value store
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.05
Rank#145  Overall
#25  Key-value stores
Score57.78
Rank#17  Overall
#3  Search engines
Score0.49
Rank#209  Overall
#31  Document stores
#17  Graph DBMS
#36  Key-value stores
#10  Wide column stores
Websitewww.alachisoft.com/­ncachelucene.apache.org/­solrsqrrl.com/
Technical documentationwww.alachisoft.com/­resources/­docslucene.apache.org/­solr/­resources.html
DeveloperAlachisoftApache Software FoundationAmazon infooriginally Sqrrl Data, Inc.
Initial release200420042012
Current release5.0, May 20198.3.0, November 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache Version 2commercial
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 languageC#, C++, .NETJavaJava
Server operating systemsWindowsAll OS with a Java VM and a servlet container inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)Linux
Data schemeschema-freeyes infoDynamic Fields enables on-the-fly addition of new fieldsschema-free
Typing infopredefined data types such as float or dateyes infosupports customizable data types and automatic typingyes
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 infoAll search fields are automatically indexedyes
SQL infoSupport of SQLSQL-like query syntax (OQL) for searching the cacheno infosupports limited query time joinsno
APIs and other access methodsLINQ
Proprietary protocol
Java API
RESTful HTTP API
Accumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift
Supported programming languages.Net
C#
Java
Visual Basic.NET
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Actionscript
C infousing GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRJava pluginsno
Triggersyes infoNotificationsyes infoUser configurable commands triggered on index changesno
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding infomaking use of Hadoop
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelcloud/distributed (via Zookeeper)
Master-slave replication
selectable replication factor infomaking use of Hadoop
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual Consistency infoslaves poll the master in predefined intervallsImmediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic lockingoptimistic locking infoSolr 4Atomic updates per row, document, or graph entity
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.yesno
User concepts infoAccess controlauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)
More information provided by the system vendor
NCacheSolrSqrrl
Specific characteristicsNCache has been the market leader in .NET Distributed Caching for the last 13 years....
» more
Competitive advantagesNcache is 100% .NET with ASP.NET Session State storage, ASP.NET View State Caching,...
» more
Typical application scenariosNCache enables industries and users including users doing: Fraud Detection, Retail...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching for the last 13 years.
» more
Licensing and pricing modelsThe NCache Enterprise licensing model is according to the number of nodes and shards...
» more
News

Synchronize your Cache with SQL Server in NCache
13 November 2019

Implementing a Persistent Cache with NCache
31 October 2019

Scaling Real-Time ASP.NET Core SignalR Apps
23 October 2019

Scaling .NET Microservices Communications with In-Memory Pub/Sub
17 October 2019

Using SQL Queries with Distributed Cache
4 October 2019

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
NCacheSolrSqrrl
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