DBMS > Quasardb vs. Redis

System Properties Comparison Quasardb vs. Redis

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Editorial information provided by DB-Engines

Name

Description

Distributed, high-performance timeseries database

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.

Primary database model

Time Series DBMS

Key-value store info

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

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	0.10
Rank	#290	Overall
	#22	Time Series DBMS

Score	142.91
Rank	#8	Overall
	#1	Key-value stores

Website

www.quasardb.net

redis.io

Technical documentation

doc.quasardb.net

redis.io/documentation

Developer

quasardb

Salvatore Sanfilippo info

Development sponsored by Redis Labs

Initial release

2009

Current release

3.1, January 2019

5.0.5, May 2019

License

Commercial or Open Source

commercial info

Free community edition, Non-profit organizations and non-commercial usage are eligible for free licenses

Open Source info

BSD 3-Clause, 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

BSD
Linux
OS X
Windows info

ported and maintained by Microsoft Open Technologies, Inc.

Data scheme

schema-free

Typing

predefined data types such as float or date

yes

integer and binary

partial

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

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 tags

yes

with RediSearch module

SQL

Support of SQL

SQL-like query language

APIs and other access methods

HTTP API

proprietary protocol info

RESP - REdis Serialization Protocol

Supported programming languages

.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R

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

Server-side scripts info

Stored procedures

Lua

Triggers

Partitioning methods info

Methods for storing different data on different nodes

Sharding

consistent hashing

Sharding

Replication methods info

Methods for redundantly storing data on multiple nodes

Master-slave replication with selectable replication factor

Master-slave replication info

Chained replication is supported
Multi-master replication info

with Redis Enterprise Pack

MapReduce

Offers an API for user-defined Map/Reduce methods

with Hadoop integration

Consistency concepts info

Methods to ensure consistency in a distributed system

Immediate Consistency

Strong eventual consistency with CRDTs
Eventual Consistency

Foreign keys info

Referential integrity

Transaction concepts info

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

ACID

Optimistic locking, atomic execution of commands blocks and scripts

Concurrency info

Support for concurrent manipulation of data

yes

Data access is serialized by the server

Durability info

Support for making data persistent

yes

by using LevelDB

yes

Configurable mechanisms for persistency via snapshots and/or operations logs

In-memory capabilities info

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

yes

Transient mode

yes

User concepts info

Access control

Cryptographically strong user authentication and audit trail

Simple password-based access control info

Access control lists and SSL are available in the commercial version

More information provided by the system vendor

Specific characteristics

High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
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Redis, benchmarked as the world's fastest database, reduces application complexity,...
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Competitive advantages

High performance in a cost-effective small package Real-time results for even large...
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Redis is an in-memory database platform offering native support of wide range of...
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Typical application scenarios

Tick database Predictive maintenance Pre-deal checks Large scale monitoring
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Redis powers personalization, real-time fraud detection, IoT, e-commerce, real-time...
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Key customers

Large EU investment banks US based hedge funds Orolia Tellmeplus
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Verizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...
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Market metrics

Has been running in very demanding production environments since 2013 Rapid adoption...
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Licensing and pricing models

Community edition limited to 2 nodes and 16 GiB of storage per node available for...
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The licensing model is subscription based. Redis Enterprise Cloud is priced according...
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