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DBMS > KeyDB vs. Manticore Search vs. RethinkDB vs. SpaceTime

System Properties Comparison KeyDB vs. Manticore Search vs. RethinkDB vs. SpaceTime

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Editorial information provided by DB-Engines
NameKeyDB  Xexclude from comparisonManticore Search  Xexclude from comparisonRethinkDB  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsMulti-storage database for search, including full-text search.DBMS for the Web with a mechanism to push updated query results to applications in realtime.SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelKey-value storeSearch engineDocument storeSpatial DBMS
Secondary database modelsTime Series DBMS infousing the Manticore Columnar LibrarySpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.70
Rank#229  Overall
#32  Key-value stores
Score0.29
Rank#302  Overall
#21  Search engines
Score2.66
Rank#107  Overall
#20  Document stores
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Websitegithub.com/­Snapchat/­KeyDB
keydb.dev
manticoresearch.comrethinkdb.comwww.mireo.com/­spacetime
Technical documentationdocs.keydb.devmanual.manticoresearch.comrethinkdb.com/­docs
DeveloperEQ Alpha Technology Ltd.Manticore SoftwareThe Linux Foundation infosince July 2017Mireo
Initial release2019201720092020
Current release6.0, February 20232.4.1, August 2020
License infoCommercial or Open SourceOpen Source infoBSD-3Open Source infoGPL version 2Open Source infoApache Version 2commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++C++C++
Server operating systemsLinuxFreeBSD
Linux
macOS
Windows
Linux
OS X
Windows
Linux
Data schemeschema-freeFixed schemaschema-freeyes
Typing infopredefined data types such as float or datepartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesInt, Bigint, Float, Timestamp, Bit, Int array, Bigint array, JSON, Booleanyes infostring, binary, float, bool, date, geometryyes
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.noCan index from XMLnono
Secondary indexesyes infoby using the Redis Search moduleyes infofull-text index on all search fieldsyesno
SQL infoSupport of SQLnoSQL-like query languagenoA subset of ANSI SQL is implemented
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocoBinary API
RESTful HTTP/JSON API
RESTful HTTP/SQL API
SQL over MySQL
RESTful HTTP API
Supported programming languagesC
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
Elixir
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
C#
C++
Python
Server-side scripts infoStored proceduresLuauser defined functionsno
TriggersnonoClient-side triggers through changefeedsno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoPartitioning is done manually, search queries against distributed index is supportedSharding inforange basedFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Synchronous replication based on Galera librarySource-replica replicationReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataOptimistic locking, atomic execution of commands blocks and scriptsyes infoisolated transactions for atomic changes and binary logging for safe writesAtomic single-document operationsno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCC basedyes
Durability infoSupport for making data persistentyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes infoThe original contents of fields are not stored in the Manticore index.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlsimple password-based access control and ACLnoyes infousers and table-level permissionsyes

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More resources
KeyDBManticore SearchRethinkDBSpaceTime
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