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DBMS > CrateDB vs. LevelDB vs. RDF4J vs. Redis vs. Sequoiadb

System Properties Comparison CrateDB vs. LevelDB vs. RDF4J vs. Redis vs. Sequoiadb

Editorial information provided by DB-Engines
NameCrateDB  Xexclude from comparisonLevelDB  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparisonRedis  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionDistributed Date Store based on LuceneEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.In-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.NewSQL database with distributed OLTP and SQL
Primary database modelRelational DBMS
Search engine
Key-value storeRDF storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistenceDocument store
Relational DBMS
Secondary database modelsDocument storeDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Spatial DBMS
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.75
Rank#197  Overall
#100  Relational DBMS
#12  Search engines
Score2.76
Rank#98  Overall
#18  Key-value stores
Score0.54
Rank#225  Overall
#9  RDF stores
Score155.89
Rank#7  Overall
#1  Key-value stores
Score0.38
Rank#254  Overall
#37  Document stores
#117  Relational DBMS
Websitecrate.iogithub.com/­google/­leveldbrdf4j.orgredis.iowww.sequoiadb.com
Technical documentationcrate.io/­docsgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdrdf4j.org/­documentationredis.io/­documentationwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperCrateGoogleSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.Salvatore Sanfilippo infoDevelopment sponsored by Redis LabsSequoiadb Ltd.
Initial release20132011200420092013
Current release1.23 , February 20216.2.1 , March 2021
License infoCommercial or Open SourceOpen SourceOpen Source infoBSDOpen Source infoEclipse Distribution License (EDL), v1.0.Open Source infoBSD 3-Clause, commercial license availableOpen Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++JavaCC++
Server operating systemsAll OS with a Java 7 (and higher) VMIllumos
Linux
OS X
Windows
Linux
OS X
Unix
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Linux
Data schemeFlexible Schema (defined schema, partial schema, schema free)schema-freeyes infoRDF Schemasschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyes infooid, date, timestamp, binary, regex
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 indexesyesnoyesyes infowith RediSearch moduleyes
SQL infoSupport of SQLyes, but no triggers and constraintsnononoSQL-like query language
APIs and other access methodsADO.NET infocommunity maintained client
JDBC
MQTT (Message Queue Telemetry Transport)
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
Java API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
proprietary protocol infoRESP - REdis Serialization Protocolproprietary protocol using JSON
Supported programming languagesErlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
Ruby infocommunity maintained client
Scala infocommunity maintained client
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Java
PHP
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
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsnoyesLuaJavaScript
Triggersnonoyesno infopublish/subscribe channels provide limited trigger functionalityno
Partitioning methods infoMethods for storing different data on different nodesShardingnonenoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornonenoneMulti-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Read Your Own Writes Consistency infofor primary key lookups
Immediate ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
Eventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infounique row identifiers can be used for implementing an optimistic concurrency control strategynoACID infoIsolation support depends on the API usedOptimistic locking, atomic execution of commands blocks and scriptsDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoData access is serialized by the serveryes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyes infoin-memory storage is supported as wellyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlrights management via user accountsnonoSimple password-based access control infoAccess control lists and SSL are available in the commercial versionsimple password-based access control
More information provided by the system vendor
CrateDBLevelDBRDF4J infoformerly known as SesameRedisSequoiadb
Specific characteristicsCrateDB is an open source distributed SQL database that spreads data and processing...
» more
Redis, benchmarked as the world's fastest database, reduces application complexity,...
» more
Competitive advantagesCrateDB is typically used in operational analytics applications, particularly those...
» more
Redis is an in-memory database platform offering native support of wide range of...
» more
Typical application scenariosCrateDB is ideal for integrating and analyzing streams of data--often machine-generated--in...
» more
Redis powers personalization, real-time fraud detection, IoT, e-commerce, real-time...
» more
Key customersCrateDB customers include McAfee, Qualtrics , Nokia, NBC Golfnow , Digital Domain...
» more
Verizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...
» more
Market metricsThe CrateDB open source project was started in 2014. CrateDB was the winner of TechCrunch...
» more
Licensing and pricing modelsCrateDB pricing CrateDB Community Edition is open source and free to use under the...
» more
The licensing model is subscription based. Redis Enterprise Cloud is priced according...
» more

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More resources
CrateDBLevelDBRDF4J infoformerly known as SesameRedisSequoiadb
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