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DBMS > Amazon CloudSearch vs. Cassandra vs. EXASOL vs. eXtremeDB vs. SiteWhere

System Properties Comparison Amazon CloudSearch vs. Cassandra vs. EXASOL vs. eXtremeDB vs. SiteWhere

Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonCassandra  Xexclude from comparisonEXASOL  Xexclude from comparisoneXtremeDB  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Natively in-memory DBMS with options for persistency, high-availability and clusteringM2M integration platform for persisting/querying time series data
Primary database modelSearch engineWide column storeRelational DBMSRelational DBMS
Time Series DBMS
Time Series DBMS
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.81
Rank#137  Overall
#12  Search engines
Score98.83
Rank#12  Overall
#1  Wide column stores
Score1.76
Rank#139  Overall
#62  Relational DBMS
Score0.80
Rank#214  Overall
#99  Relational DBMS
#18  Time Series DBMS
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websiteaws.amazon.com/­cloudsearchcassandra.apache.orgwww.exasol.comwww.mcobject.comgithub.com/­sitewhere/­sitewhere
Technical documentationdocs.aws.amazon.com/­cloudsearchcassandra.apache.org/­doc/­latestwww.exasol.com/­resourceswww.mcobject.com/­docs/­extremedb.htmsitewhere1.sitewhere.io/­index.html
DeveloperAmazonApache Software Foundation infoApache top level project, originally developped by FacebookExasolMcObjectSiteWhere
Initial release20122008200020012010
Current release4.1.3, July 20238.2, 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2commercialcommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaC and C++Java
Server operating systemshostedBSD
Linux
OS X
Windows
AIX
HP-UX
Linux
macOS
Solaris
Windows
Linux
OS X
Windows
Data schemeyesschema-freeyesyespredefined scheme
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.nonono infosupport of XML interfaces availableno
Secondary indexesyes infoall search fields are automatically indexedrestricted infoonly equality queries, not always the best performing solutionyesyesno
SQL infoSupport of SQLnoSQL-like SELECT, DML and DDL statements (CQL)yesyes infowith the option: eXtremeSQLno
APIs and other access methodsHTTP APIProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
.Net
JDBC
ODBC
WebSocket
.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
HTTP REST
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Java
Lua
Python
R
.Net
C
C#
C++
Java
Lua
Python
Scala
Server-side scripts infoStored proceduresnonouser defined functionsyes
Triggersnoyesyesyes infoby defining events
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredSharding infono "single point of failure"Shardinghorizontal partitioning / shardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSselectable replication factor infoRepresentation of geographical distribution of servers is possibleActive Replication Fabric™ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
selectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoAtomicity and isolation are supported for single operationsACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesno
User concepts infoAccess controlauthentication via encrypted signaturesAccess rights for users can be defined per objectAccess rights for users, groups and roles according to SQL-standardUsers with fine-grained authorization concept
More information provided by the system vendor
Amazon CloudSearchCassandraEXASOLeXtremeDBSiteWhere
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
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With hundreds of customers and over 30 million devices/applications using the product...
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
For server use cases, there is a simple per-server license irrespective of the number...
» more
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