DBMS > Amazon CloudSearch vs. Apache Kylin vs. DolphinDB
System Properties Comparison Amazon CloudSearch vs. Apache Kylin vs. DolphinDB
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|Editorial information provided by DB-Engines|
|Name||Amazon CloudSearch Xexclude from comparison||Apache Kylin Xexclude from comparison||DolphinDB Xexclude from comparison|
|Description||A hosted search engine service by Amazon with the data stored in Amazons cloud||A distributed analytics engine for big data, providing a SQL interface and multi-dimensional analysis (OLAP) and leveraging the Hadoop stack||DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.|
|Primary database model||Search engine||Relational DBMS||Time Series DBMS|
|Secondary database models||Relational DBMS|
|Developer||Amazon||Apache Software Foundation, originally contributed from eBay Inc||DolphinDB, Inc|
|Current release||3.1.0, July 2020||v2.00.4, January 2022|
|License Commercial or Open Source||commercial||Open Source Apache Version 2.0||commercial free community version available|
|Cloud-based only Only available as a cloud service||yes||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||hosted||Linux||Linux|
|Typing predefined data types such as float or date||yes||yes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no|
|Secondary indexes||yes all search fields are automatically indexed||yes||yes|
|SQL Support of SQL||no||ANSI SQL for queries (using Apache Calcite)||SQL-like query language|
|APIs and other access methods||HTTP API||JDBC|
RESTful HTTP API
JSON over HTTP
MQTT (Message Queue Telemetry Transport)
|Supported programming languages||C#|
|Server-side scripts Stored procedures||no||yes|
|Partitioning methods Methods for storing different data on different nodes||yes automatic partitioning across Amazon Search Instance as required||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||yes managed transparently by AWS||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||yes|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes|
|User concepts Access control||authentication via encrypted signatures||Administrators, Users, Groups|
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|Amazon CloudSearch||Apache Kylin||DolphinDB|
|DB-Engines blog posts|
Amazon - the rising star in the DBMS market The DB-Engines ranking includes now search engines
The DB-Engines ranking includes now search engines
|Recent citations in the news|
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