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DBMS > Blueflood vs. Cassandra vs. Hazelcast vs. TDengine vs. Trafodion

System Properties Comparison Blueflood vs. Cassandra vs. Hazelcast vs. TDengine vs. Trafodion

Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonCassandra  Xexclude from comparisonHazelcast  Xexclude from comparisonTDengine  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionScalable TimeSeries DBMS based on CassandraWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA widely adopted in-memory data gridTime Series DBMS and big data platformTransactional SQL-on-Hadoop DBMS
Primary database modelTime Series DBMSWide column storeKey-value storeTime Series DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Document store infoJSON support with IMDG 3.12Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score98.83
Rank#12  Overall
#1  Wide column stores
Score5.46
Rank#61  Overall
#7  Key-value stores
Score2.68
Rank#106  Overall
#9  Time Series DBMS
Websiteblueflood.iocassandra.apache.orghazelcast.comgithub.com/­taosdata/­TDengine
tdengine.com
trafodion.apache.org
Technical documentationgithub.com/­rax-maas/­blueflood/­wikicassandra.apache.org/­doc/­latesthazelcast.org/­imdg/­docsdocs.tdengine.comtrafodion.apache.org/­documentation.html
DeveloperRackspaceApache Software Foundation infoApache top level project, originally developped by FacebookHazelcastTDEngine, previously Taos DataApache Software Foundation, originally developed by HP
Initial release20132008200820192014
Current release4.1.3, July 20235.3.6, November 20233.0, August 20222.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache version 2Open Source infoApache Version 2; commercial licenses availableOpen Source infoAGPL V3, also commercial editions availableOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
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 languageJavaJavaJavaCC++, Java
Server operating systemsLinux
OS X
BSD
Linux
OS X
Windows
All OS with a Java VMLinux
Windows
Linux
Data schemepredefined schemeschema-freeschema-freeyesyes
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.nonoyes infothe object must implement a serialization strategynono
Secondary indexesnorestricted infoonly equality queries, not always the best performing solutionyesnoyes
SQL infoSupport of SQLnoSQL-like SELECT, DML and DDL statements (CQL)SQL-like query languageStandard SQL with extensions for time-series applicationsyes
APIs and other access methodsHTTP RESTProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JCache
JPA
Memcached protocol
RESTful HTTP API
JDBC
RESTful HTTP 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++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnonoyes infoEvent Listeners, Executor ServicesnoJava Stored Procedures
Triggersnoyesyes infoEventsyes, via alarm monitoringno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding infono "single point of failure"ShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandraselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes infoReplicated Mapyesyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmImmediate Consistency
Foreign keys infoReferential integritynonononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoAtomicity and isolation are supported for single operationsone or two-phase-commit; repeatable reads; read commitedACID
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.nonoyesno
User concepts infoAccess controlnoAccess rights for users can be defined per objectRole-based access controlyesfine grained access rights according to SQL-standard
More information provided by the system vendor
BluefloodCassandraHazelcastTDengineTrafodion
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
TDengine™ is a next generation data historian purpose-built for Industry 4.0 and...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
High Performance at any Scale: TDengine is purpose-built for handling massive industrial...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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TDengine is designed for Industrial IoT scenarios, including: Manufacturing Connected...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
TDengine has garnered over 22,500 stars on GitHub and is used in over 50 countries...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
TDengine OSS is an open source, cloud native time series database. It includes built-in...
» more
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