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DBMS > Amazon CloudSearch vs. OpenMLDB vs. Splunk

System Properties Comparison Amazon CloudSearch vs. OpenMLDB vs. Splunk

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonOpenMLDB  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudAn open-source machine learning database that provides a feature platform for training and inferenceAnalytics Platform for Big Data
Primary database modelSearch engineTime Series DBMSSearch engine
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.85
Rank#137  Overall
#12  Search engines
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score86.45
Rank#14  Overall
#2  Search engines
Websiteaws.amazon.com/­cloudsearchopenmldb.aiwww.splunk.com
Technical documentationdocs.aws.amazon.com/­cloudsearchopenmldb.ai/­docs/­zh/­maindocs.splunk.com/­Documentation/­Splunk
DeveloperAmazon4 Paradigm Inc.Splunk Inc.
Initial release201220202003
Current release2024-2 February 2024
License infoCommercial or Open SourcecommercialOpen Sourcecommercial 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

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Implementation languageC++, Java, Scala
Server operating systemshostedLinuxLinux
OS X
Solaris
Windows
Data schemeyesFixed schemayes
Typing infopredefined data types such as float or dateyesyesyes
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.noyes
Secondary indexesyes infoall search fields are automatically indexedyesyes
SQL infoSupport of SQLnoyesno infoSplunk Search Processing Language for search commands
APIs and other access methodsHTTP APIJDBC
SQLAlchemy
HTTP REST
Supported programming languagesC++
Go
Java
Python
Scala
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonoyes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredhorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSSource-replica replicationMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono 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 controlauthentication via encrypted signaturesfine grained access rights according to SQL-standardAccess rights for users and roles

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More resources
Amazon CloudSearchOpenMLDBSplunk
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Recent citations in the news

Amazon CloudSearch – Start Searching in One Hour for Less Than $100 / Month | Amazon Web Services
12 April 2012, AWS Blog

Amazon CloudSearch – Even Better Searching for Less Than $100/Month | Amazon Web Services
24 March 2014, AWS Blog

Amazon Takes On Google And Microsoft With CloudSearch
16 April 2012, Forbes

AWS, Microsoft and Google should retire these cloud services
2 June 2020, TechTarget

Searching CloudTrail Logs Easily with Amazon CloudSearch | AWS Startups Blog
21 October 2014, AWS Blog

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