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DBMS > KairosDB vs. Solr

System Properties Comparison KairosDB vs. Solr

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonSolr  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2A widely used enterprise search engine based on Apache Lucene
Primary database modelTime Series DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.54
Rank#193  Overall
#9  Time Series DBMS
Score58.97
Rank#16  Overall
#3  Search engines
Websitegithub.com/­kairosdb/­kairosdblucene.apache.org/­solr
Technical documentationkairosdb.github.iolucene.apache.org/­solr/­resources.html
DeveloperApache Software Foundation
Initial release20132004
Current release8.2.0, July 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJava
Server operating systemsLinux
OS X
Windows
All OS with a Java VM and a servlet container inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeschema-freeyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateyesyes infosupports customizable data types and automatic typing
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.nono
Secondary indexesnoyes infoAll search fields are automatically indexed
SQL infoSupport of SQLnono infosupports limited query time joins
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
Java API
RESTful HTTP API
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnoJava plugins
Triggersnoyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandracloud/distributed (via Zookeeper)
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency infoslaves poll the master in predefined intervalls
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic locking infoSolr 4
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlsimple password-based access control

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More resources
KairosDBSolr
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