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DBMS > Couchbase vs. Hazelcast vs. Memcached vs. Sqrrl

System Properties Comparison Couchbase vs. Hazelcast vs. Memcached vs. Sqrrl

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisonHazelcast  Xexclude from comparisonMemcached  Xexclude from comparisonSqrrl  Xexclude from comparison
Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceA widely adopted in-memory data gridIn-memory key-value store, originally intended for cachingAdaptable, secure NoSQL built on Apache Accumulo
Primary database modelDocument storeKey-value storeKey-value storeDocument store
Graph DBMS
Key-value store
Wide column store
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocolDocument store infoJSON support with IMDG 3.12
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score30.60
Rank#26  Overall
#4  Document stores
Score9.47
Rank#42  Overall
#5  Key-value stores
Score26.34
Rank#27  Overall
#4  Key-value stores
Websitewww.couchbase.comhazelcast.comwww.memcached.orgsqrrl.com
Technical documentationdocs.couchbase.comhazelcast.org/­imdg/­docsgithub.com/­memcached/­memcached/­wiki
DeveloperCouchbase, Inc.HazelcastDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalAmazon infooriginally Sqrrl Data, Inc.
Initial release2011200820032012
Current releaseServer: 6.5, January 2020; Mobile: 2.7, January 2020; Couchbase Autonomous Operator: 1.2, May 20194.0.3, September 20201.6.0, March 2020
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availableOpen Source infoApache Version 2; commercial licenses availableOpen Source infoBSD licensecommercial
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.
Couchbase Cloud: Deploy, manage, and operate Couchbase in a few clicks
Implementation languageC, C++, Go and ErlangJavaCJava
Server operating systemsLinux
OS X
Windows
All OS with a Java VMFreeBSD
Linux
OS X
Unix
Windows
Linux
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyes infoString, Boolean, Numberyesnoyes
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.yes infothe object must implement a serialization strategy
Secondary indexesyesyesnoyes
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.SQL-like query languagenono
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIsJCache
JPA
Memcached protocol
RESTful HTTP API
Proprietary protocolAccumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift
Supported programming languages.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Actionscript
C infousing GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptyes infoEvent Listeners, Executor Servicesnono
Triggersyes infovia the TAP protocolyes infoEventsnono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnoneSharding infomaking use of Hadoop
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication infoincluding cross data center replication
Source-replica replication
yes infoReplicated Mapnone infoRepcached, a Memcached patch, provides this functionallityselectable replication factor infomaking use of Hadoop
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Immediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmImmediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDone or two-phase-commit; repeatable reads; read commitednoAtomic updates per row, document, or graph entity
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesnoyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoEphemeral bucketsyes
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated AuthenticationRole-based access controlyes infousing SASL (Simple Authentication and Security Layer) protocolCell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)
More information provided by the system vendor
Couchbase infoOriginally called MembaseHazelcastMemcachedSqrrl
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
Hazelcast is an in-memory computing platform that runs applications with extremely...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
Hazelcast has an optimized, multi-threaded architecture that enables the highest...
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Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
Hazelcast powers many types of large-scale, data processing applications. A sample...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Hazelcast customers include 50 of the world’s largest financial services companies,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more
Hazelcast provides both open source and commercial software. The open source offering...
» more

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More resources
Couchbase infoOriginally called MembaseHazelcastMemcachedSqrrl
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Recent citations in the news

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Amazon's cloud business acquires Sqrrl, a security start-up with NSA roots
23 January 2018, CNBC

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Sqrrl ferrets out network traffic anomalies to find hidden threats
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