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DBMS > ScyllaDB

ScyllaDB System Properties

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Editorial information provided by DB-Engines
NameScyllaDB
DescriptionCassandra and DynamoDB compatible wide column store
Primary database modelWide column store
Secondary database modelsKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.69
Rank#67  Overall
#5  Wide column stores
Websitewww.scylladb.com
Technical documentationdocs.scylladb.com
DeveloperScyllaDB
Initial release2015
Current releaseScyllaDB Open Source 5.4.1, January 2024
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

ScyllaDB is engineered to deliver predictable performance at scale. It’s adopted by organizations that demand ultra-low latency, even with workloads exceeding 1M ops/sec. Our unique architecture leverages the power of modern infrastructure – translating to fewer nodes, less admin & lower costs.

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

Cassandra Compatibility — ScyllaDB was designed to be API-compatible with Apache Cassandra. It is completely compliant with Cassandra Query Language (CQL). It also uses the same SSTable format on disk, making migrations from Cassandra to ScyllaDB easy.

ScyllaDB 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, ScyllaDB provides all the best features of Cassandra with a built-for-speed engine under the hood.

DynamoDB Compatibility — ScyllaDB 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 allows 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 — ScyllaDB Cloud is the Database-as-a-Service (DBaaS) offering of ScyllaDB. 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, ScyllaDB 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

  • Free online training via ScyllaDB University

Typical application scenarios

ScyllaDB is ideal for applications that require high throughput and low latency at scale. 

Common use cases include:

  • IoT (Fleet Monitoring/Logistics, Machine Health/ Predictive Maintenance, Smart Devices, etc.) 
  • Customer experience (User Profile, Messaging, Chat, User Activity, Leaderboard, Financial Trans, Betting, Customer 360, etc.)
  • AI/ML Feature Store
  • Fraud and Threat Detection (Malware Detection, Network Monitoring, Security Monitoring, Risk Management, Identity Management, etc.)
  • Blockchain (Crypto, Smart Contract, etc.)
Key customers

Discord, Epic Games, Expedia, Zillow, Comcast,  Disney+ Hotstar, Samsung, ShareChat, Palo Alto Networks, Grab, Starbucks, Tubi, Rakuten, Fanatics [see Users page]

Market metrics

ScyllaDB typically offers ~75% total cost of ownership savings, with ~5X higher throughput and ~20X lower latency versus similar databases. [See benchmarks]

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

ScyllaDB Raises $43M to Take on MongoDB at Scale, Push Database Performance to New Levels
17 October 2023, Datanami

Running ScyllaDB NoSQL on Kubernetes with Spot Instances
10 July 2023, The New Stack

Scylla vs Cassandra: Performance Comparison - DataScienceCentral.com
9 January 2020, Data Science Central

Scylla review: Apache Cassandra supercharged
18 December 2019, InfoWorld

ScyllaDB on AWS is a NoSQL Database Built for Gigabyte-to-Petabyte Scale | Amazon Web Services
6 January 2023, AWS Blog

provided by Google News



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