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DBMS > Cassandra vs. Weaviate

System Properties Comparison Cassandra vs. Weaviate

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelWide column storeSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score116.22
Rank#11  Overall
#1  Wide column stores
Score0.41
Rank#295  Overall
#21  Search engines
Websitecassandra.apache.orggithub.com/­semi-technologies/­weaviate
weaviate.io
Technical documentationcassandra.apache.org/­doc/­latestweaviate.io/­developers/­weaviate/­current
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookWeaviate B.V.
Initial release20082019
Current release4.1.0, December 20221.17, December 2022
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infocommercial license available with Weaviate Enterprise
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.
  • Aiven for Apache Cassandra: Fully managed, open source NoSQL database specifically designed to be highly available, performant, and scalable.
Implementation languageJavaGo
Server operating systemsBSD
Linux
OS X
Windows
Data schemeschema-freeyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyes infostring, int, float, geo point, date, cross reference, fuzzy references
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 infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)GraphQL is used as query language
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnono
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual 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 operationsno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlAccess rights for users can be defined per objectOpenID Connect Discovery
More information provided by the system vendor
CassandraWeaviate
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
As a stand-alone vector search engine, or use one of the many modules (transformers,...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
A ll companies that have data. ​
» 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
Weaviate is open-source, and free to use. We also offer Fully managed Weaviate on...
» more
News

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31 January 2023

How to Get the Most Out of Cassandra Summit 2023
25 January 2023

K2View Leverages Astra DB to Provide a Complete View into Any Business Entity
23 January 2023

The Year in Real-Time for Apache Pulsar and Cassandra
19 January 2023

3 Things I Learned from The Apache Cassandra® Corner Podcast
18 January 2023

Related products and services
3rd partiesInstaclustr: Hosted & Managed Apache Cassandra as a Service
» more

Aiven for Apache Cassandra: A truly distributed database that can handle large volumes of writes.
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more

DataStax Cassandra: Zero touch operations, configuration and management with true autoscaling
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CassandraWeaviate
DB-Engines blog posts

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Weaviate, an ANN Database with CRUD support
2 February 2021,  Etienne Dilocker, SeMI Technologies (sponsor) 

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Conferences and events

Building scalable real-time apps with AstraDB (DBaaS) and Vaadin
Webinar, 6:00 PM - 6:30 PM GMT (UTC+00:00), 30 January 2023 (finished)

Recent citations in the news

Apache Cassandra: Where Is the Open Source Database Headed ...
27 January 2023, TDWI

Supercharging Cassandra NoSQL For Machine Learning
13 January 2023, The Next Platform

The Linux Foundation Announces Conference Schedule for ...
18 January 2023, PR Newswire

Progress Software acquires NoSQL data integration engine MarkLogic
4 January 2023, SiliconANGLE News

Data management trends: Convergence and more money
19 January 2023, TechTarget

provided by Google News

SeMI Technologies becomes Weaviate USA - English
18 January 2023, PR Newswire

Amsterdam-based startup SeMI Technologies raises €14.1M for its ...
23 February 2022, Silicon Canals

SeMI Technologies’ search engine opens up new ways to query your data
22 February 2022, TechCrunch

Getting Started with the Weaviate Vector Search Engine
18 May 2020, hackernoon.com

The History of the Weaviate Vector Search Engine
9 May 2020, hackernoon.com

provided by Google News

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