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DBMS > OpenTSDB vs. PostGIS vs. Splunk

System Properties Comparison OpenTSDB vs. PostGIS vs. Splunk

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Editorial information provided by DB-Engines
NameOpenTSDB  Xexclude from comparisonPostGIS  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionScalable Time Series DBMS based on HBaseSpatial extension of PostgreSQLAnalytics Platform for Big Data
Primary database modelTime Series DBMSSpatial DBMSSearch engine
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score89.10
Rank#14  Overall
#2  Search engines
Websiteopentsdb.netpostgis.netwww.splunk.com
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlpostgis.net/­documentationdocs.splunk.com/­Documentation/­Splunk
Developercurrently maintained by Yahoo and other contributorsSplunk Inc.
Initial release201120052003
Current release3.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoLGPLOpen Source infoGPL v2.0commercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC
Server operating systemsLinux
Windows
Linux
OS X
Solaris
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsyesyes
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.noyesyes
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesno infoSplunk Search Processing Language for search commands
APIs and other access methodsHTTP API
Telnet API
HTTP REST
Supported programming languagesErlang
Go
Java
Python
R
Ruby
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnouser defined functionsyes
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBaseyes infobased on PostgreSQLSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseyes infobased on PostgreSQLMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
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.nonono
User concepts infoAccess controlnoyes infobased on PostgreSQLAccess rights for users and roles

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More resources
OpenTSDBPostGISSplunk
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