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DBMS > Coveo vs. openGemini vs. Splunk

System Properties Comparison Coveo vs. openGemini vs. Splunk

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Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonopenGemini  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityAnalytics Platform for Big Data
Primary database modelSearch engineTime Series DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.28
Rank#114  Overall
#11  Search engines
Score0.01
Rank#375  Overall
#39  Time Series DBMS
Score86.45
Rank#14  Overall
#2  Search engines
Websitewww.coveo.comwww.opengemini.org
github.com/­openGemini
www.splunk.com
Technical documentationdocs.coveo.comdocs.opengemini.org/­guidedocs.splunk.com/­Documentation/­Splunk
DeveloperCoveoHuawei and openGemini communitySplunk Inc.
Initial release201220222003
Current release1.1, July 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGo
Server operating systemshostedLinux
Windows
Linux
OS X
Solaris
Windows
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeyes
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, Stringyes
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.nonoyes
Secondary indexesyesyesyes
SQL infoSupport of SQLnoSQL-like query languageno infoSplunk Search Processing Language for search commands
APIs and other access methodsRESTful HTTP APIHTTP RESTHTTP REST
Supported programming languagesC#
Java
JavaScript
Python
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonoyes
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnono 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.yesno
User concepts infoAccess controlgranular access controls, API key management, content filtersAdministrators and common users accountsAccess rights for users and roles

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More resources
CoveoopenGeminiSplunk
DB-Engines blog posts

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