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DBMS > Amazon CloudSearch vs. Elasticsearch vs. etcd

System Properties Comparison Amazon CloudSearch vs. Elasticsearch vs. etcd

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonElasticsearch  Xexclude from comparisonetcd  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricA distributed reliable key-value store
Primary database modelSearch engineSearch engineKey-value store
Secondary database modelsDocument store
Spatial DBMS
Vector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.42
Rank#138  Overall
#12  Search engines
Score143.75
Rank#8  Overall
#1  Search engines
Score9.26
Rank#51  Overall
#5  Key-value stores
Websiteaws.amazon.com/­cloudsearchwww.elastic.co/­elasticsearchetcd.io
github.com/­etcd-io/­etcd
Technical documentationdocs.aws.amazon.com/­cloudsearchwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmletcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
DeveloperAmazonElastic
Initial release20122010
Current release8.6, January 20233.4, August 2019
License infoCommercial or Open SourcecommercialOpen Source infoElastic LicenseOpen Source infoApache Version 2.0
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 languageJavaGo
Server operating systemshostedAll OS with a Java VMFreeBSD
Linux
Windows infoexperimental
Data schemeyesschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-free
Typing infopredefined data types such as float or dateyesyesno
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.nono
Secondary indexesyes infoall search fields are automatically indexedyes infoAll search fields are automatically indexedno
SQL infoSupport of SQLnoSQL-like query languageno
APIs and other access methodsHTTP APIJava API
RESTful HTTP/JSON API
gRPC
JSON over HTTP
Supported programming languages.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
Server-side scripts infoStored proceduresnoyesno
Triggersnoyes infoby using the 'percolation' featureyes, watching key changes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoES-Hadoop Connectorno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono
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.Memcached and Redis integrationno
User concepts infoAccess controlauthentication via encrypted signaturesno

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More resources
Amazon CloudSearchElasticsearchetcd
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Recent citations in the news

Enterprise Semantic Search Software Market Is Thriving Worldwide ...
7 June 2023, KaleidoScot

Is Amazon CloudSearch superior to do-it-yourself search tools?
24 January 2014, TechTarget

Building a PLG motion on top of usage-based pricing
13 March 2023, TechCrunch

Using AWS Cloud Search
11 December 2012, InfoQ.com

Searching for search: UK Gov wants to dump GOV.UK Elasticsearch
17 November 2022, The Stack

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14 May 2023, Slashdot

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19 May 2023, hackernoon.com

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Service Discovery Software Professional Market 2031 Key Insights ...
6 June 2023, KaleidoScot

How does Kubernetes use etcd?
21 November 2022, TechTarget

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10 May 2023, Mint

Overcoming the Kubernetes Skills Gap with ChatGPT Assistance
23 May 2023, The New Stack

How to restore a Kubernetes cluster from an etcd snapshot
16 December 2021, TechTarget

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