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DBMS > KairosDB vs. LMDB vs. OrientDB vs. PouchDB

System Properties Comparison KairosDB vs. LMDB vs. OrientDB vs. PouchDB

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonLMDB  Xexclude from comparisonOrientDB  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2A high performant, light-weight, embedded key-value database libraryMulti-model DBMS (Document, Graph, Key/Value)JavaScript DBMS with an API inspired by CouchDB
Primary database modelTime Series DBMSKey-value storeDocument store
Graph DBMS
Key-value store
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.71
Rank#230  Overall
#20  Time Series DBMS
Score2.33
Rank#118  Overall
#21  Key-value stores
Score3.27
Rank#97  Overall
#16  Document stores
#6  Graph DBMS
#15  Key-value stores
Score2.35
Rank#116  Overall
#22  Document stores
Websitegithub.com/­kairosdb/­kairosdbwww.symas.com/­symas-embedded-database-lmdborientdb.orgpouchdb.com
Technical documentationkairosdb.github.iowww.lmdb.tech/­docwww.orientdb.com/­docs/­last/­index.htmlpouchdb.com/­guides
DeveloperSymasOrientDB LTD; CallidusCloud; SAPApache Software Foundation
Initial release2013201120102012
Current release1.2.2, November 20180.9.32, January 20243.2.29, March 20247.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoApache version 2Open Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCJavaJavaScript
Server operating systemsLinux
OS X
Windows
Linux
Unix
Windows
All OS with a Java JDK (>= JDK 6)server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")schema-free
Typing infopredefined data types such as float or dateyesyesno
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 indexesnonoyesyes infovia views
SQL infoSupport of SQLnonoSQL-like query language, no joinsno
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
JavaScript
Server-side scripts infoStored proceduresnonoJava, JavascriptView functions in JavaScript
TriggersnonoHooksyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneShardingSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneMulti-source replicationMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocould be achieved with distributed queriesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyes inforelationship in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlsimple password-based access controlnoAccess rights for users and roles; record level security configurableno

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More resources
KairosDBLMDBOrientDBPouchDB
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