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DBMS > Cassandra vs. Fujitsu Enterprise Postgres vs. KairosDB vs. OpenTSDB vs. Trafodion

System Properties Comparison Cassandra vs. Fujitsu Enterprise Postgres vs. KairosDB vs. OpenTSDB vs. Trafodion

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonFujitsu Enterprise Postgres  Xexclude from comparisonKairosDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessEnterprise-grade PostgreSQL-based DBMS with security enhancements such as Transparent Data Encryption and Data Masking, plus high-availability and performance improvement features.Distributed Time Series DBMS based on Cassandra or H2Scalable Time Series DBMS based on HBaseTransactional SQL-on-Hadoop DBMS
Primary database modelWide column storeRelational DBMSTime Series DBMSTime Series DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score98.83
Rank#12  Overall
#1  Wide column stores
Score0.37
Rank#278  Overall
#128  Relational DBMS
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Websitecassandra.apache.orgwww.postgresql.fastware.comgithub.com/­kairosdb/­kairosdbopentsdb.nettrafodion.apache.org
Technical documentationcassandra.apache.org/­doc/­latestwww.postgresql.fastware.com/­product-manualskairosdb.github.ioopentsdb.net/­docs/­build/­html/­index.htmltrafodion.apache.org/­documentation.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookPostgreSQL Global Development Group, Fujitsu Australia Software Technologycurrently maintained by Yahoo and other contributorsApache Software Foundation, originally developed by HP
Initial release2008201320112014
Current release4.1.3, July 2023Fujitsu Enterprise Postgres 14, January 20221.2.2, November 20182.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source infoApache 2.0Open Source infoLGPLOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaCJavaJavaC++, Java
Server operating systemsBSD
Linux
OS X
Windows
Linux
Windows
Linux
OS X
Windows
Linux
Windows
Linux
Data schemeschema-freeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesnumeric data for metrics, strings for tagsyes
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.nononono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesnonoyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yesnonoyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Graphite protocol
HTTP REST
Telnet API
HTTP API
Telnet API
ADO.NET
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Java
JavaScript infoNode.js
PHP
Python
Erlang
Go
Java
Python
R
Ruby
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnouser defined functionsnonoJava Stored Procedures
Triggersyesyesnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"partitioning by range, list and by hashSharding infobased on CassandraSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replicationselectable replication factor infobased on Cassandraselectable replication factor infobased on HBaseyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integritynoyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes
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 controlAccess rights for users can be defined per objectfine grained access rights according to SQL-standardsimple password-based access controlnofine grained access rights according to SQL-standard
More information provided by the system vendor
CassandraFujitsu Enterprise PostgresKairosDBOpenTSDBTrafodion
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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100% compatible with community PostgreSQL
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Built-in TDE and Data Masking security. In-Memory Columnar Index, and a high speed...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Transactional payments applications, reporting and mixed workloads.
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Over 30 years experience in database technology. Over 20 years in Postgres development...
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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Core based licensing
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