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DBMS > Alibaba Cloud PolarDB vs. Cassandra vs. IRONdb vs. SiriDB vs. Yaacomo

System Properties Comparison Alibaba Cloud PolarDB vs. Cassandra vs. IRONdb vs. SiriDB vs. Yaacomo

Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonCassandra  Xexclude from comparisonIRONdb  Xexclude from comparisonSiriDB  Xexclude from comparisonYaacomo  Xexclude from comparison
IRONdb seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Wide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityOpen Source Time Series DBMSOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelRelational DBMSWide column storeTime Series DBMSTime Series DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.66
Rank#235  Overall
#108  Relational DBMS
Score98.83
Rank#12  Overall
#1  Wide column stores
Score0.07
Rank#378  Overall
#42  Time Series DBMS
Websitewww.alibabacloud.com/­product/­polardbcassandra.apache.orgwww.circonus.com/solutions/time-series-database/siridb.comyaacomo.com
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewcassandra.apache.org/­doc/­latestdocs.circonus.com/irondb/category/getting-starteddocs.siridb.com
DeveloperAlibabaApache Software Foundation infoApache top level project, originally developped by FacebookCirconus LLC.CesbitQ2WEB GmbH
Initial release2008201720172009
Current release4.1.3, July 2023V0.10.20, January 2018
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2commercialOpen Source infoMIT Licensecommercial
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC and C++C
Server operating systemshostedBSD
Linux
OS X
Windows
LinuxLinuxAndroid
Linux
Windows
Data schemeyesschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes infotext, numeric, histogramsyes infoNumeric datayes
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.yesnononono
Secondary indexesyesrestricted infoonly equality queries, not always the best performing solutionnoyesyes
SQL infoSupport of SQLyesSQL-like SELECT, DML and DDL statements (CQL)SQL-like query language (Circonus Analytics Query Language: CAQL)noyes
APIs and other access methodsJDBC
ODBC
Proprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
HTTP APIHTTP APIJDBC
ODBC
Supported programming languagesJava
Python
C#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
C
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresyesnoyes, in Luano
Triggersyesyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infono "single point of failure"Automatic, metric affinity per nodeShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceselectable replication factor infoRepresentation of geographical distribution of servers is possibleconfigurable replication factor, datacenter awareyesSource-replica replication
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 per node, eventual consistency across nodesImmediate Consistency
Foreign keys infoReferential integrityyesnononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoAtomicity and isolation are supported for single operationsnonoACID
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.yesnonoyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users can be defined per objectnosimple rights management via user accountsfine grained access rights according to SQL-standard
More information provided by the system vendor
Alibaba Cloud PolarDBCassandraIRONdbSiriDBYaacomo
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
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Apache Cassandra is the leading NoSQL, distributed database management system, well...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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No single point of failure ensures 100% availability . Operational simplicity for...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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Internet of Things (IOT), fraud detection applications, recommendation engines, product...
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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.
» more
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
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Apache license  Pricing for commercial distributions provided by DataStax and available...
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