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DBMS > Cassandra vs. Quasardb

System Properties Comparison Cassandra vs. Quasardb

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessDistributed, high-performance timeseries database
Primary database modelWide column storeTime Series DBMS
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score112.20
Rank#12  Overall
#1  Wide column stores
Score0.29
Rank#334  Overall
#29  Time Series DBMS
Websitecassandra.apache.orgquasar.ai
Technical documentationcassandra.apache.org/­doc/­latestdoc.quasar.ai/­master
DeveloperApache Software Foundation infoApache top level project, originally developped by Facebookquasardb
Initial release20082009
Current release4.1.3, July 20233.13.3, April 2022
License infoCommercial or Open SourceOpen Source infoApache version 2commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenono
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++
Server operating systemsBSD
Linux
OS X
Windows
BSD
Linux
OS X
Windows
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infointeger and binary
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.nono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infowith tags
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like query language
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
HTTP API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnono
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyeswith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTransient mode
User concepts infoAccess controlAccess rights for users can be defined per objectCryptographically strong user authentication and audit trail
More information provided by the system vendor
CassandraQuasardb
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...
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News

Why DataStax Loves LangChain
5 December 2023

Getting Started with DataStax Astra DB and Amazon Bedrock
29 November 2023

Why You Can't Miss Cassandra Summit
28 November 2023

Restworld: Revolutionizing Hospitality Recruitment with Astra DB and Vector Search
27 November 2023

Mitigate the OpenAI Debacle with Open Source and Cloud
21 November 2023

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesCassandra Forward event: Want to level up your Cassandra game? Watch now replays of the March 2023 sessions.
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CassandraQuasardb
DB-Engines blog posts

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Conferences, events and webinars

Cassandra Summit 2023
San Jose, California, USA, 12-13 December 2023

Recent citations in the news

Microsoft extends life support for aging Apache Cassandra 3.11 database
10 October 2023, The Register

Datavail is Sponsoring Cassandra Summit 2023
4 December 2023, WebWire

Vector Search Is Coming to Apache Cassandra
12 May 2023, The New Stack

DataStax announces vector search capabilities in its on-prem Apache Cassandra database
8 August 2023, SDTimes.com

Apache Cassandra 5.0 Is Coming: Here’s Why the People Who Built It Are Fired Up
31 July 2023, hackernoon.com

provided by Google News

Quasar Partners with PTC to Empower IoT Customers with High-Performance Data Solutions
11 September 2023, Datanami

Quasar Selected by National Renewable Energy Laboratory to Help with Energy System De-risking and Optimization
6 June 2023, PR Newswire

Weigh a quasar's galaxy with precision
2 June 2023, EurekAlert

Quasar ‘Clocks’ Show Universe Was Five Times Slower Soon after the Big Bang
4 July 2023, Lab Manager Magazine

Unique Quasar Sheds Light on Cosmic Mysteries: The Brightest in 9 Billion Years
16 July 2023, SciTechDaily

provided by Google News

Job opportunities

Lead Database Engineer
Mastercard, O'Fallon, MO

DATABASE ADMINISTRATOR
Frost Bank, San Antonio, TX

Senior Cassandra Database Engineer
Wells Fargo, Westlake, TX

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Garmin International, Inc., Olathe, KS

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Wells Fargo, Minneapolis, MN

jobs by Indeed



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