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DBMS > Apache Druid vs. Cassandra vs. OpenTSDB vs. searchxml vs. STSdb

System Properties Comparison Apache Druid vs. Cassandra vs. OpenTSDB vs. searchxml vs. STSdb

Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonCassandra  Xexclude from comparisonOpenTSDB  Xexclude from comparisonsearchxml  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessScalable Time Series DBMS based on HBaseDBMS for structured and unstructured content wrapped with an application serverKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelRelational DBMS
Time Series DBMS
Wide column storeTime Series DBMSNative XML DBMS
Search engine
Key-value store
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.25
Rank#90  Overall
#47  Relational DBMS
#7  Time Series DBMS
Score98.83
Rank#12  Overall
#1  Wide column stores
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Score0.10
Rank#357  Overall
#51  Key-value stores
Websitedruid.apache.orgcassandra.apache.orgopentsdb.netwww.searchxml.net/­category/­productsgithub.com/­STSSoft/­STSdb4
Technical documentationdruid.apache.org/­docs/­latest/­designcassandra.apache.org/­doc/­latestopentsdb.net/­docs/­build/­html/­index.htmlwww.searchxml.net/­support/­handouts
DeveloperApache Software Foundation and contributorsApache Software Foundation infoApache top level project, originally developped by Facebookcurrently maintained by Yahoo and other contributorsinformationpartners gmbhSTS Soft SC
Initial release20122008201120152011
Current release29.0.1, April 20244.1.3, July 20231.04.0.8, September 2015
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoApache version 2Open Source infoLGPLcommercialOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaJavaC++C#
Server operating systemsLinux
OS X
Unix
BSD
Linux
OS X
Windows
Linux
Windows
WindowsWindows
Data schemeyes infoschema-less columns are supportedschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesnumeric data for metrics, strings for tagsyesyes infoprimitive types and user defined types (classes)
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.nononoyes
Secondary indexesyesrestricted infoonly equality queries, not always the best performing solutionnoyesno
SQL infoSupport of SQLSQL for queryingSQL-like SELECT, DML and DDL statements (CQL)nonono
APIs and other access methodsJDBC
RESTful HTTP/JSON API
Proprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
HTTP API
Telnet API
RESTful HTTP API
WebDAV
XQuery
XSLT
.NET Client API
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
C#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Erlang
Go
Java
Python
R
Ruby
C++ infomost other programming languages supported via APIsC#
Java
Server-side scripts infoStored proceduresnononoyes infoon the application serverno
Triggersnoyesnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedSharding infono "single point of failure"Sharding infobased on HBasenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesselectable replication factor infoRepresentation of geographical distribution of servers is possibleselectable replication factor infobased on HBaseyes infosychronisation to multiple collectionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoAtomicity and isolation are supported for single operationsnomultiple readers, single writerno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
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.nononono
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemAccess rights for users can be defined per objectnoDomain, group and role-based access control at the document level and for application servicesno
More information provided by the system vendor
Apache DruidCassandraOpenTSDBsearchxmlSTSdb
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
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