DBMS > Amazon CloudSearch vs. EJDB

System Properties Comparison Amazon CloudSearch vs. EJDB

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Editorial information provided by DB-Engines

Name

Description

A hosted search engine service by Amazon with the data stored in Amazons cloud

Embeddable document-store database library with JSON representation of queries (in MongoDB style)

Primary database model

Search engine

Document store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	1.62
Rank	#135	Overall
	#12	Search engines

Score	0.11
Rank	#339	Overall
	#47	Document stores

Website

aws.amazon.com/cloudsearch

github.com/Softmotions/ejdb

Technical documentation

docs.aws.amazon.com/cloudsearch

github.com/Softmotions/ejdb/blob/master/README.md

Developer

Amazon

Softmotions

Initial release

2012

License

Commercial or Open Source

commercial

Open Source

GPLv2

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

Server operating systems

hosted

server-less

Data scheme

yes

schema-free

Typing

predefined data types such as float or date

yes

string, integer, double, bool, date, object_id

Secondary indexes

yes

all search fields are automatically indexed

SQL

Support of SQL

APIs and other access methods

HTTP API

in-process shared library

Supported programming languages

Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby

Server-side scripts

Stored procedures

Triggers

Partitioning methods

Methods for storing different data on different nodes

yes

automatic partitioning across Amazon Search Instance as required

none

Replication methods

Methods for redundantly storing data on multiple nodes

yes

managed transparently by AWS

none

MapReduce

Offers an API for user-defined Map/Reduce methods

Foreign keys

Referential integrity

typically not needed, however similar functionality with collection joins possible

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

Concurrency

Support for concurrent manipulation of data

yes

Read/Write Locking

Durability

Support for making data persistent

yes

User concepts

Access control

authentication via encrypted signatures

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More resources

DB-Engines blog posts

Amazon - the rising star in the DBMS market
3 August 2015, Matthias Gelbmann

The DB-Engines ranking includes now search engines
4 February 2013, Paul Andlinger

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Recent citations in the news

Transition from Amazon CloudSearch to Amazon OpenSearch Service
25 July 2024, Amazon Web Services

AWS is quietly killing off services under its new CEO
31 July 2024, The Stack

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

AWS closes several cloud services to new customers
8 August 2024, InfoWorld

AWS CodeCommit, Cloud9 closure communication critiqued
2 August 2024, TechTarget

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