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DBMS > KairosDB vs. Oracle Coherence vs. RRDtool

System Properties Comparison KairosDB vs. Oracle Coherence vs. RRDtool

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRRDtool  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2Oracles in-memory data grid solutionIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.
Primary database modelTime Series DBMSKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.54
Rank#202  Overall
#11  Time Series DBMS
Score2.47
Rank#104  Overall
#20  Key-value stores
Score2.90
Rank#91  Overall
#5  Time Series DBMS
Websitegithub.com/­kairosdb/­kairosdbwww.oracle.com/­technetwork/­middleware/­coherence/­overview/­index.htmloss.oetiker.ch/­rrdtool
Technical documentationkairosdb.github.iowww.oracle.com/­technetwork/­middleware/­coherence/­documentation/­index.htmloss.oetiker.ch/­rrdtool/­doc
DeveloperOracleTobias Oetiker
Initial release201320071999
Current release1.2.2, November 201812c, September 20161.7.2, May 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialOpen Source infoGPL V2 and FLOSS
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC infoImplementations in Java (e.g. RRD4J) and C# available
Server operating systemsLinux
OS X
Windows
All OS with a Java VMHP-UX
Linux
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesNumeric data only
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 infoExporting into and restoring from XML files possible
Secondary indexesnonono
SQL infoSupport of SQLnonono
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
JCache
JPA
RESTful HTTP API
in-process shared library
Pipes
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
.Net
C++
Java
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
Server-side scripts infoStored proceduresnonono
Triggersnoyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandrayes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency
Immediate Consistency
none
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurableno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoby using the rrdcached daemon
Durability infoSupport for making data persistentyesyes infooptionallyyes
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 controlauthentification to access the cache via certificates or http basic authenticationno

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More resources
KairosDBOracle CoherenceRRDtool
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