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DBMS > KairosDB vs. LMDB vs. OrientDB

System Properties Comparison KairosDB vs. LMDB vs. OrientDB

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonLMDB  Xexclude from comparisonOrientDB  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)
Primary database modelTime Series DBMSKey-value storeDocument store
Graph DBMS
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.65
Rank#214  Overall
#16  Time Series DBMS
Score2.44
Rank#117  Overall
#22  Key-value stores
Score5.14
Rank#79  Overall
#14  Document stores
#5  Graph DBMS
#12  Key-value stores
Websitegithub.com/­kairosdb/­kairosdbwww.symas.com/­symas-embedded-database-lmdborientdb.org
Technical documentationkairosdb.github.iowww.orientdb.com/­docs/­last/­index.html
DeveloperSymasOrientDB LTD; CallidusCloud; SAP
Initial release201320112010
Current release1.2.2, November 20180.9.29, March 20213.1.9, February 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoApache version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCJava
Server operating systemsLinux
OS X
Windows
All OS with a Java JDK (>= JDK 6)
Data schemeschema-freeschema-freeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")
Typing infopredefined data types such as float or dateyesyes
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 indexesnonoyes
SQL infoSupport of SQLnonoSQL-like query language, no joins
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
C.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnonoJava, Javascript
TriggersnonoHooks
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocould be achieved with distributed queries
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyes inforelationship in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlsimple password-based access controlnoAccess rights for users and roles; record level security configurable

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More resources
KairosDBLMDBOrientDB
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