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DBMS > Cassandra vs. NCache vs. RocksDB vs. TerarkDB

System Properties Comparison Cassandra vs. NCache vs. RocksDB vs. TerarkDB

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonNCache  Xexclude from comparisonRocksDB  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessOpen-Source and Enterprise in-memory Key-Value StoreEmbeddable persistent key-value store optimized for fast storage (flash and RAM)A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelWide column storeKey-value storeKey-value storeKey-value store
Secondary database modelsVector DBMS infostarting with release V5Document store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score103.86
Rank#12  Overall
#1  Wide column stores
Score0.98
Rank#196  Overall
#29  Key-value stores
Score4.00
Rank#84  Overall
#11  Key-value stores
Score0.04
Rank#377  Overall
#58  Key-value stores
Websitecassandra.apache.orgwww.alachisoft.com/­ncacherocksdb.orggithub.com/­bytedance/­terarkdb
Technical documentationcassandra.apache.org/­doc/­latestwww.alachisoft.com/­resources/­docsgithub.com/­facebook/­rocksdb/­wikibytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKc
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookAlachisoftFacebook, Inc.ByteDance, originally Terark
Initial release2008200520132016
Current release4.1.3, July 20235.3.3, April 20248.11.4, April 2024
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoEnterprise Edition availableOpen Source infoBSDcommercial inforestricted open source version 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.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaC#, .NET, .NET Core, JavaC++C++
Server operating systemsBSD
Linux
OS X
Windows
Linux
Windows
Linux
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counternono
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 indexesrestricted infoonly equality queries, not always the best performing solutionyesnono
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.nono
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
IDistributedCache
JCache
LINQ
Proprietary native API
C++ API
Java API
C++ API
Java API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C
C++
Go
Java
Perl
Python
Ruby
C++
Java
Server-side scripts infoStored proceduresnono infosupport for stored procedures with SQL-Server CLRnono
Triggersyesyes infoNotificationsno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"yeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes, with selectable consistency levelyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsoptimistic locking and pessimistic lockingyesno
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.noyesyesyes
User concepts infoAccess controlAccess rights for users can be defined per objectAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)nono
More information provided by the system vendor
CassandraNCacheRocksDBTerarkDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Market Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
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