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DBMS > Amazon CloudSearch vs. Apache Kylin vs. IBM Db2 warehouse vs. Memcached

System Properties Comparison Amazon CloudSearch vs. Apache Kylin vs. IBM Db2 warehouse vs. Memcached

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonApache Kylin  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudA distributed analytics engine for big data, providing a SQL interface and multi-dimensional analysis (OLAP) and leveraging the Hadoop stackCloud-based data warehousing serviceIn-memory key-value store, originally intended for caching
Primary database modelSearch engineRelational DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.86
Rank#133  Overall
#12  Search engines
Score1.14
Rank#171  Overall
#77  Relational DBMS
Score1.26
Rank#162  Overall
#73  Relational DBMS
Score16.84
Rank#32  Overall
#4  Key-value stores
Websiteaws.amazon.com/­cloudsearchkylin.apache.orgwww.ibm.com/­products/­db2/­warehousewww.memcached.org
Technical documentationdocs.aws.amazon.com/­cloudsearchkylin.apache.org/­docsgithub.com/­memcached/­memcached/­wiki
DeveloperAmazonApache Software Foundation, originally contributed from eBay IncIBMDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release2012201520142003
Current release3.1.0, July 20201.6.29, June 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercialOpen Source infoBSD license
Cloud-based only infoOnly available as a cloud serviceyesnoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC
Server operating systemshostedLinuxhostedFreeBSD
Linux
OS X
Unix
Windows
Data schemeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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 infoImport/export of XML data possible
Secondary indexesyes infoall search fields are automatically indexedyesyesno
SQL infoSupport of SQLnoANSI SQL for queries (using Apache Calcite)yesno
APIs and other access methodsHTTP APIJDBC
ODBC
RESTful HTTP API
.NET Client API
JDBC
ODBC
OLE DB
Proprietary protocol
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoPL/SQL, SQL PLno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyesnone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlauthentication via encrypted signaturesfine grained access rights according to SQL-standardyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
Amazon CloudSearchApache KylinIBM Db2 warehouse infoformerly named IBM dashDBMemcached
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Transition from Amazon CloudSearch to Amazon OpenSearch Service
25 July 2024, AWS Blog

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31 July 2024, Neowin

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