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DBMS > Amazon Aurora vs. Amazon SimpleDB vs. Druid vs. Splunk

System Properties Comparison Amazon Aurora vs. Amazon SimpleDB vs. Druid vs. Splunk

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Editorial information provided by DB-Engines
NameAmazon Aurora  Xexclude from comparisonAmazon SimpleDB  Xexclude from comparisonDruid  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionMySQL and PostgreSQL compatible cloud service by AmazonHosted simple database service by Amazon, with the data stored in the Amazon Cloud. infoThere is an unrelated product called SimpleDB developed by Edward ScioreOpen-source analytics data store designed for OLAP queries on timeseries dataAnalytics Platform for Big Data
Primary database modelRelational DBMSKey-value storeRelational DBMS
Time Series DBMS
Search engine
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.18
Rank#47  Overall
#28  Relational DBMS
Score2.46
Rank#104  Overall
#19  Key-value stores
Score1.91
Rank#117  Overall
#57  Relational DBMS
#7  Time Series DBMS
Score88.77
Rank#12  Overall
#2  Search engines
Websiteaws.amazon.com/­rds/­auroraaws.amazon.com/­simpledbdruid.apache.orgwww.splunk.com
Technical documentationdocs.aws.amazon.com/­AmazonRDS/­latest/­AuroraUserGuide/­CHAP_Aurora.htmldocs.aws.amazon.com/­simpledbdruid.apache.org/­docs/­latest/­designdocs.splunk.com/­Documentation/­Splunk
DeveloperAmazonAmazonMetamarkets Group and contributorsSplunk Inc.
Initial release2015200720122003
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache license v2commercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemshostedhostedLinux
OS X
Unix
Linux
OS X
Solaris
Windows
Data schemeyesschema-freeyes infoschema-less columns are supportedyes
Typing infopredefined data types such as float or dateyesnoyesyes
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.yesnoyes
Secondary indexesyesyes infoAll columns are indexed automaticallyyesyes
SQL infoSupport of SQLyesnoSQL support via Apache Calcite adapterno infoSplunk Search Processing Language for search commands
APIs and other access methodsADO.NET
JDBC
ODBC
RESTful HTTP APIJSON over HTTPHTTP REST
Supported programming languagesAda
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
Clojure
JavaScript
PHP
Python
R
Ruby
Scala
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesnonoyes
Triggersyesnonoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnone infoSharding must be implemented in the applicationShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationyesyes, via HDFS, S3 or other storage enginesMaster-master replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoConcurrent data updates can be detected by the applicationnono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)no infoavailable via extensionsAccess rights for users and roles

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More resources
Amazon AuroraAmazon SimpleDBDruidSplunk
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Job opportunities

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