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DBMS > ScyllaDB

ScyllaDB System Properties

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Our visitors often compare ScyllaDB with Cassandra, MongoDB and Amazon DynamoDB.

Editorial information provided by DB-Engines
NameScyllaDB
DescriptionCassandra and DynamoDB compatible wide column store
Primary database modelKey-value store
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#90  Overall
#16  Key-value stores
#8  Wide column stores
Websitewww.scylladb.com
Technical documentationdocs.scylladb.com
DeveloperScyllaDB
Initial release2015
Current releaseScylla Open Source 4.6, March 2022
License infoCommercial or Open SourceOpen Source infoOpen Source (AGPL), commercial license available
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageC++
Server operating systemsLinux
Data schemeschema-free
Typing infopredefined data types such as float or dateyes
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.no
Secondary indexesyes infocluster global secondary indices
SQL infoSupport of SQLSQL-like DML and DDL statements (CQL)
APIs and other access methodsProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
Supported programming languagesFor 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
Server-side scripts infoStored proceduresyes, Lua
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possible
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operations
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoin-memory tables
User concepts infoAccess controlAccess rights for users can be defined per object
More information provided by the system vendor
ScyllaDB
Specific characteristics

Scylla is a highly-available, highly-scalable, highly-performant NoSQL database. Scylla is generally used as a key-value store or wide-column model database.

Cassandra Compatibility — Scylla was designed to be a drop-in replacement for Apache Cassandra. is completely compliant with Cassandra Query Language (CQL). It also uses the same SSTable format on disk, making migrations from Cassandra to Scylla easy.

Scylla took the best characteristics of Apache Cassandra and did a complete rewrite from the ground up in C++. This means no JVM tuning and no garbage collection (GC) pauses. Built on the Seastar engine, Scylla provides all the best features of Cassandra with a built-for-speed engine under the hood.

DynamoDB Compatibility — Scylla also offers an Amazon DynamoDB-compatible API, known as Alternator. It supports the same SDKs, modified to allow for client-side load balancing. ScyllaDB also offers an experimental feature for Alternator Streams.

This allowing you to run your workloads on an open source alternative on AWS, or on any other public cloud (Azure, Google Cloud). You can also run on hybrid or multi-cloud deployments, or even on-premises.

DBaaS — Scylla Cloud is the Database-as-a-Service (DBaaS) offering of Scylla. It runs on AWS and is certified for use in AWS Outposts, and now has a beta for GCP.

Extensible to Graph or Time Series — With additional packages such as JanusGraph or KairosDB, Scylla can serve as a graph database or a time series database (TSDB).




Competitive advantages
  • Highly-performant (efficiently utilizes full resources of a node and network; millions of IOPS per node)

  • Highly-available (peer-to-peer, no single-point-of-failure, active-active, automatic cross-datacenter replication with rack-awareness and datacenter-awareness)

  • Highly-scalable both horizontally (automatic rebalancing of data with new nodes) and vertically (takes advantage of modern multi-CPU, multi-core architectures)

  • Self-tuning performance (minimizes administration)

  • Tunable consistency model

  • Consistent low-latency and high throughput

Typical application scenarios
Key customers

Comcast, Grab, OlaCabs, Yahoo! Japan, IMVU, Adgear, Xandr,  Zenly, Natura, Snapfish, mParticle, Dstillery

Licensing and pricing models

Related products and services

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

More resources
ScyllaDB
Recent citations in the news

Cloud Database Demand Spurs 198% Growth for ScyllaDB
25 January 2022, GlobeNewswire

Monstrously fast + scalable NoSQL database, ScyllaDB, now available on AWS Marketplace
13 April 2022, GlobeNewswire

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

Top NoSQL Innovators Honored with ScyllaDB Awards
16 February 2022, GlobeNewswire

provided by Google News

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