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DBMS > BoltDB vs. NCache vs. Postgres-XL vs. RocksDB

System Properties Comparison BoltDB vs. NCache vs. Postgres-XL vs. RocksDB

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Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonNCache  Xexclude from comparisonPostgres-XL  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionAn embedded key-value store for Go.Open source in-memory key-value storeBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelKey-value storeKey-value storeRelational DBMSKey-value store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.56
Rank#200  Overall
#34  Key-value stores
Score1.05
Rank#145  Overall
#25  Key-value stores
Score0.42
Rank#217  Overall
#103  Relational DBMS
Score2.52
Rank#103  Overall
#19  Key-value stores
Websitegithub.com/­boltdb/­boltwww.alachisoft.com/­ncachewww.postgres-xl.orgrocksdb.org
Technical documentationwww.alachisoft.com/­resources/­docswww.postgres-xl.org/­documentationgithub.com/­facebook/­rocksdb/­wiki
DeveloperAlachisoftFacebook, Inc.
Initial release201320042014 infosince 2012, originally named StormDB2013
Current release5.0, May 201910 R1, October 20186.3.6, October 2019
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infoApache 2.0Open Source infoMozilla public licenseOpen Source infoBSD
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 languageGoC#, C++, .NETCC++
Server operating systemsBSD
Linux
OS X
Solaris
Windows
WindowsLinux
macOS
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesno
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.nonoyes infoXML type, but no XML query functionalityno
Secondary indexesnoyesyesno
SQL infoSupport of SQLnoSQL-like query syntax (OQL) for searching the cacheyes infodistributed, parallel query executionno
APIs and other access methodsLINQ
Proprietary protocol
native C library
streaming API for large objects
ADO.NET
JDBC
ODBC
C++ API
Java API
Supported programming languagesGo.Net
C#
Java
Visual Basic.NET
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C++
Java
Server-side scripts infoStored proceduresnono infosupport for stored procedures with SQL-Server CLRuser defined functionsno
Triggersnoyes infoNotificationsyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesoptimistic lockingACID infoMVCCyes
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.noyesnoyes
User concepts infoAccess controlnoauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)fine grained access rights according to SQL-standardno
More information provided by the system vendor
BoltDBNCachePostgres-XLRocksDB
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

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

Using NCache as In-Memory Pub/Sub for .NET
2 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
BoltDBNCachePostgres-XLRocksDB
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