DBMS > Redis vs. ScyllaDB

System Properties Comparison Redis vs. ScyllaDB

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Our visitors often compare Redis and ScyllaDB with Cassandra, MongoDB and Aerospike.

Editorial information provided by DB-Engines

Name

Description

In-memory data structure store, used as database, cache and message broker info

Redis focuses on performance so most of its design decisions prioritize high performance and very low latencies.

Cassandra-compatible wide column store

Primary database model

Key-value store info

Multiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistence

Wide column store

Secondary database models

Document store info

with Redis Modules
Graph DBMS info

with Redis Modules
Search engine info

with Redis Modules
Time Series DBMS info

with Redis Modules

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	146.13
Rank	#8	Overall
	#1	Key-value stores

Score	1.42
Rank	#123	Overall
	#8	Wide column stores

Website

redis.io

www.scylladb.com

Technical documentation

redis.io/documentation

docs.scylladb.com

Developer

Salvatore Sanfilippo info

Development sponsored by Redis Labs

ScyllaDB

Initial release

2009

2015

Current release

5.0.5, May 2019

3.0.6, May 2019

License

Commercial or Open Source

Open Source info

BSD 3-Clause, commercial license available

Open Source info

Open Source (AGPL), commercial license available

Cloud-based only info

Only available as a cloud service

DBaaS offerings (sponsored links) info

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

C++

Server operating systems

BSD
Linux
OS X
Windows info

ported and maintained by Microsoft Open Technologies, Inc.

Linux

Data scheme

schema-free

Typing

predefined data types such as float or date

partial

Supported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes

yes

XML support info

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

with RediSearch module

yes

cluster global secondary indices

SQL

Support of SQL

SQL-like DML and DDL statements (CQL)

APIs and other access methods

proprietary protocol info

RESP - REdis Serialization Protocol

Proprietary protocol info

CQL (Cassandra Query Language, an SQL-like language)
Thrift

Supported programming languages

C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic

C#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala

Server-side scripts info

Stored procedures

Lua

Triggers

Partitioning methods info

Methods for storing different data on different nodes

Sharding

Replication methods info

Methods for redundantly storing data on multiple nodes

Master-slave replication info

Chained replication is supported
Multi-master replication info

with Redis Enterprise Pack

selectable replication factor info

Representation of geographical distribution of servers is possible

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts info

Methods to ensure consistency in a distributed system

Strong eventual consistency with CRDTs
Eventual Consistency

Eventual Consistency
Immediate Consistency info

can be individually decided for each write operation

Foreign keys info

Referential integrity

Transaction concepts info

Support to ensure data integrity after non-atomic manipulations of data

Optimistic locking, atomic execution of commands blocks and scripts

Atomicity and isolation are supported for single operations

Concurrency info

Support for concurrent manipulation of data

yes

Data access is serialized by the server

yes

Durability info

Support for making data persistent

yes

Configurable mechanisms for persistency via snapshots and/or operations logs

yes

In-memory capabilities info

Is there an option to define some or all structures to be held in-memory only.

yes

in-memory tables

User concepts info

Access control

Simple password-based access control info

Access control lists and SSL are available in the commercial version

Access rights for users can be defined per object

More information provided by the system vendor

Specific characteristics

Redis, benchmarked as the world's fastest database, reduces application complexity,...
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Scylla is a highly-available, highly-scalable, highly-performant NoSQL database....
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Competitive advantages

Redis is an in-memory database platform offering native support of wide range of...
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Highly-performant (efficiently utilizes full resources of a node and network; millions...
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Typical application scenarios

Redis powers personalization, real-time fraud detection, IoT, e-commerce, real-time...
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AdTech (AdGear, AppNexus, Dstillery, Numberly, Sizmek) Cybersecurity (Veramine) Entertainment...
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Key customers

Verizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...
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Comcast, Grab, Yahoo! Japan, IMVU, Adgear, Appnexus, Zenly, Natura, Snapfish, mParticle,...
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Licensing and pricing models

The licensing model is subscription based. Redis Enterprise Cloud is priced according...
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Scylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
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