DBMS > Amazon CloudSearch vs. Datastax Enterprise vs. EJDB
System Properties Comparison Amazon CloudSearch vs. Datastax Enterprise vs. EJDB
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|Editorial information provided by DB-Engines
|Amazon CloudSearch Xexclude from comparison
|Datastax Enterprise Xexclude from comparison
|EJDB Xexclude from comparison
|A hosted search engine service by Amazon with the data stored in Amazons cloud
|DataStax Enterprise (DSE) is the always-on, scalable data platform built on Apache Cassandra and designed for hybrid Cloud. DSE integrates graph, search, analytics, administration, developer tooling, and monitoring into a unified platform.
|Embeddable document-store database library with JSON representation of queries (in MongoDB style)
|Primary database model
|Wide column store
|Secondary database models
|6.8, April 2020
|License Commercial or Open Source
|Open Source GPLv2
|Cloud-based only Only available as a cloud service
|DBaaS offerings (sponsored links) Database as a Service
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|Datastax Astra DB: Astra DB simplifies cloud-native Cassandra application development for your apps, microservices and functions. Deploy in minutes on AWS, Google Cloud, Azure, and have it managed for you by the experts, with serverless, pay-as-you-go pricing.
|Server operating systems
|Typing predefined data types such as float or date
|yes string, integer, double, bool, date, object_id
|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.
|yes all search fields are automatically indexed
|SQL Support of SQL
|SQL-like DML and DDL statements (CQL); Spark SQL
|APIs and other access methods
|Proprietary protocol CQL (Cassandra Query Language)
TinkerPop Gremlin with DSE Graph
|in-process shared library
|Supported programming languages
|Server-side scripts Stored procedures
|Partitioning methods Methods for storing different data on different nodes
|yes automatic partitioning across Amazon Search Instance as required
|Sharding no "single point of failure"
|Replication methods Methods for redundantly storing data on multiple nodes
|yes managed transparently by AWS
|configurable replication factor, datacenter aware, advanced replication for edge computing
|MapReduce Offers an API for user-defined Map/Reduce methods
|Consistency concepts Methods to ensure consistency in a distributed system
Tunable Consistency consistency level can be individually decided with each write operation
|Foreign keys Referential integrity
|no typically not needed, however similar functionality with collection joins possible
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data
|no Atomicity and isolation are supported for single operations
|Concurrency Support for concurrent manipulation of data
|yes Read/Write Locking
|Durability Support for making data persistent
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.
|User concepts Access control
|authentication via encrypted signatures
|Access rights for users can be defined per object
|More information provided by the system vendor
|DataStax Enterprise is scale-out data infrastructure for enterprises that need to...
|Supporting the following application requirements: Zero downtime - Built on Apache...
|Typical application scenarios
|Applications that must be massively and linearly scalable with 100% uptime and able...
|Capital One, Cisco, Comcast, eBay, McDonald's, Microsoft, Safeway, Sony, UBS, and...
|Among the Forbes 100 Most Innovative Companies, DataStax is trusted by 5 of the top...
|Licensing and pricing models
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|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
Amazon CloudSearch – Even Better Searching for Less Than $100/Month | Amazon Web Services
Amazon CloudSearch announces updates to its search instances
Is Amazon CloudSearch superior to do-it-yourself search tools?
Searching CloudTrail Logs Easily with Amazon CloudSearch | AWS Startups Blog
Amazon turns A9 search engine into a cloud service
provided by Google News
DataStax and LlamaIndex Partner to Make Building RAG Applications Easier than Ever for GenAI Developers
DataStax goes vector searching with Astra DB – Blocks and Files
DataStax announces vector search capabilities in its on-prem Apache Cassandra database
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provided by Google News
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