DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Cassandra vs. ScyllaDB vs. Solr

System Properties Comparison Cassandra vs. ScyllaDB vs. Solr

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonScyllaDB  Xexclude from comparisonSolr  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessCassandra and DynamoDB compatible wide column storeA widely used distributed, scalable search engine based on Apache Lucene
Primary database modelWide column storeKey-value store
Wide column store
Search engine
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score119.28
Rank#10  Overall
#1  Wide column stores
Score3.70
Rank#90  Overall
#15  Key-value stores
#7  Wide column stores
Score51.17
Rank#22  Overall
#3  Search engines
Websitecassandra.apache.orgwww.scylladb.comlucene.apache.org/­solr
Technical documentationcassandra.apache.org/­doc/­latestdocs.scylladb.comlucene.apache.org/­solr/­resources.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookScyllaDBApache Software Foundation
Initial release200820152006
Current release4.0.1, September 2021Scylla Open Source 4.5, October 20218.10.1, October 2021
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoOpen Source (AGPL), commercial license availableOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
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.Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageJavaC++Java
Server operating systemsBSD
Linux
OS X
Windows
LinuxAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeschema-freeschema-freeyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateyesyesyes infosupports customizable data types and automatic typing
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
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infocluster global secondary indicesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like DML and DDL statements (CQL)Solr Parallel SQL Interface
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Proprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
Java API
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnoyes, LuaJava plugins
Triggersyesnoyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduce
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Eventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsno infoAtomicity and isolation are supported for single operationsoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoin-memory tablesyes
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users can be defined per objectyes
More information provided by the system vendor
CassandraScyllaDBSolr
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Scylla is a highly-available, highly-scalable, highly-performant NoSQL database....
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Highly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
AdTech ( AdGear , AppMonet , Dstillery , FullContact , MediaMath , Numberly , SAS...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Comcast, Grab, OlaCabs, Yahoo! Japan, IMVU, Adgear, Xandr, Zenly, Natura, Snapfish,...
» 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
Scylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
» more

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 partiesInstaclustr: Hosted & Managed Apache Cassandra as a Service
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more

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

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

More resources
CassandraScyllaDBSolr
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

Elasticsearch replaced Solr as the most popular search engine
12 January 2016, Paul Andlinger

Enterprise Search Engines almost double their popularity in the last 12 months
2 July 2014, Paul Andlinger

The DB-Engines ranking includes now search engines
4 February 2013, Paul Andlinger

show all

Conferences and events

How Application-Level Priority Management Keeps Latency Low And Throughput High
Webinar, 10am PDT / 1pm EDT / 7pm CEST, 26 October 2021

Critical Attributes for a High-Performance, Low-Latency Database
Webinar, 10am PDT / 1pm EDT / 7pm CEST, 28 October 2021

Scylla University LIVE (Americas)
Instructor-led NoSQL database training / 9AM-1PM PT, 9 November 2021

Scylla University LIVE (EMEA and APAC)
Instructor-led NoSQL database training / 8AM-12AM UTC, 10 November 2021

Scylla Virtual Workshop
1pm GMT, 18 November 2021

Scylla Summit 2022
Virtual Conference, 9-10 February 2022

Finished events

P99 CONF - Cross-Industry Event on All Things P99
Virtual Conference, 6-7 October 2021 (finished)

Recent citations in the news

Now with a Single GraphQL API Call, Developers Can Query Multiple Relational and NoSQL Databases
5 October 2021, Business Wire

DataStax Announces Availability of the K8ssandra Open Source Data Platform for Kubernetes on VMware Marketplace
6 October 2021, Business Wire

Cloud-based Database Market Next Big Thing | Major Giants SAP, Google, Cassandra, Teradata, Couchbase, Oracle, Rackspace Hosting – IMIESA
25 October 2021, IMIESA

Franz's AllegroGraph 7.2 Powers Enterprise Data Fabrics With Graph Neural Networks, Virtual Graphs and Streaming Graph Pipelines
25 October 2021, Business Wire

Cloud-based Database Market Impact and Recovery Analysis| Teradata, Cassandra, Tencent – Puck77
19 October 2021, Puck77

provided by Google News

ScyllaDB Announces Scylla Enterprise 2021 NoSQL Database
20 May 2021, GlobeNewswire

ScyllaDB Announces NoSQL Database as a Service Now Available on Google Cloud
4 August 2021, GlobeNewswire

ScyllaDB Unveils 'Monstrous' New Capabilities for Its NoSQL
12 January 2021, GlobeNewswire

ScyllaDB Announces Comprehensive Support for Apache Kafka
16 June 2021, GlobeNewswire

ScyllaDB Announces Scylla Enterprise 2020 NoSQL Database
19 August 2020, GlobeNewswire

provided by Google News

SOLR releases petition supporting dining and service worker strike
27 September 2021, Daily Northwestern

SOLR, UCM host dialogue with Compass employee to discuss workers rights
6 October 2021, Daily Northwestern

SolRazr (SOLR) Developer Platform Will Open The Launcher In A Couple Of Days – Own Snap
8 October 2021, Own Snap

Solar Alliance Energy Inc. (CVE:SOLR) insiders got a good deal: Sold stock currently worth CA$0.21 at CA$0.28 over the past year
15 October 2021, Simply Wall St

The Daily Explains: How years of advocacy led to new contract between Northwestern's service workers and Compass Group
25 October 2021, Daily Northwestern

provided by Google News

Job opportunities

Support Engineer - Cosmos DB
Microsoft, Issaquah, WA

Database Administrator - 3939662
Accenture, Charlotte, NC

Staff Database Engineer
Visa, Austin, TX

Database Administrator
PMG Global, Herndon, VA

Cassandra Database Engineer
CyberCore Technologies, Annapolis Junction, MD

Back-End Engineer
Tagup, Inc., Boston, MA

Systems Engineer / DevOps
Hive, San Francisco, CA

Senior Infrastructure Engineer
OneSignal, New York, NY

Software Engineer - Storage Infrastructure
Discord, San Francisco, CA

Senior Infrastructure Engineer (Remote CA, NY, TX)
OneSignal, San Mateo, CA

Associate Data Lake Consultant
Amazon Web Services, Inc., United States

Junior Software Engineer
Kibo Commerce, Atlanta, GA

Instructional Designer (Remote - US)
LucidWorks, Raleigh, NC

Software Engineer – Apache Solr
Ivy Tech Solutions inc, Remote

Analyst, Training & Documentation (Remote - US)
LucidWorks, San Francisco Bay Area, CA

jobs by Indeed



Share this page

Featured Products

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Vertica logo

Vertica Accelerator. The fastest analytics and machine learning, delivered as SaaS, with automated setup, administration, and management. Free trial.

Present your product here