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DBMS > Cassandra vs. Oracle NoSQL vs. Redis

System Properties Comparison Cassandra vs. Oracle NoSQL vs. Redis

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonOracle NoSQL  Xexclude from comparisonRedis  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessKey-value store based on Berkeley DB Java EditionIn-memory data structure store, used as database, cache and message broker infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.
Primary database modelWide column storeKey-value storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistence
Secondary database modelsRelational DBMSDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score119.84
Rank#11  Overall
#1  Wide column stores
Score4.34
Rank#77  Overall
#13  Key-value stores
Score152.87
Rank#7  Overall
#1  Key-value stores
Websitecassandra.apache.orgwww.oracle.com/­database/­nosql/­index.htmlredis.io
Technical documentationcassandra.apache.org/­doc/­latestdocs.oracle.com/­cd/­NOSQL/­index.htmlredis.io/­documentation
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookOracleSalvatore Sanfilippo infoDevelopment sponsored by Redis Labs
Initial release200820112009
Current release3.11.6, February 202019.5, November 20196.0.6, July 2020
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache V2 for Community Edition, proprietary license for Enterprise EditionOpen Source infoBSD 3-Clause, commercial license available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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ScaleGrid for Redis: Fully managed hosting for Redis on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageJavaJavaC
Server operating systemsBSD
Linux
OS X
Windows
Linux
Solaris SPARC/x86
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Data schemeschema-freeoptional, scheme definition possible with AVRO or in 'table-style'schema-free
Typing infopredefined data types such as float or dateyesoptionalpartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes
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 indexesrestricted infoonly equality queries, not always the best performing solutionyesyes infowith RediSearch module
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like DML and DDL statementsno
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
RESTful HTTP APIproprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
Java
JavaScript (Node.js)
Python
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
Server-side scripts infoStored proceduresnonoLua
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleElectable source-replica replication per shardMulti-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
MapReduce infoOffers an API for user-defined Map/Reduce methodsyeswith Hadoop integrationno
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 infodepending on configuration
Eventual Consistency
Strong eventual consistency with CRDTs
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsconfigurable infoACID within a storage node (=shard)Optimistic locking, atomic execution of commands blocks and scripts
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logs
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infooff heap cacheyes
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users and rolesSimple password-based access control infoAccess control lists and SSL are available in the commercial version
More information provided by the system vendor
CassandraOracle NoSQLRedis
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Oracle NoSQL Database is a scalable , distributed NoSQL database, designed to provide...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Data can be modeled as relational-database-style tables, JSON documents, RDF Triples...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Internet of Things where large volume of data needs to be stored and processed very...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Large credit card company Airbus NTT Docomo Global rewards company
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Oracle NoSQL Database is used by hundreds of companies around the world. Oracle NoSQL...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
Oracle NoSQL Database Enterprise Edition can be purchased under the Oracle Commercial...
» more

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Datadog: Monitor all Redis metrics: hit rates, clients, commands per second, and more.
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