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DBMS > Memcached vs. ScyllaDB vs. TerminusDB

System Properties Comparison Memcached vs. ScyllaDB vs. TerminusDB

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonScyllaDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingCassandra and DynamoDB compatible wide column storeScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeWide column storeGraph DBMS
Secondary database modelsKey-value storeDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score19.42
Rank#32  Overall
#4  Key-value stores
Score4.75
Rank#68  Overall
#5  Wide column stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitewww.memcached.orgwww.scylladb.comterminusdb.com
Technical documentationgithub.com/­memcached/­memcached/­wikidocs.scylladb.comterminusdb.github.io/­terminusdb/­#
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalScyllaDBDataChemist Ltd.
Initial release200320152018
Current release1.6.25, March 2024ScyllaDB Open Source 5.4.1, January 202411.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoOpen Source (AGPL), commercial license availableOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageCC++Prolog, Rust
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesyes
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.nono
Secondary indexesnoyes infocluster global secondary indices
SQL infoSupport of SQLnoSQL-like DML and DDL statements (CQL)SQL-like query language (WOQL)
APIs and other access methodsProprietary protocolProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
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
JavaScript
Python
Server-side scripts infoStored proceduresnoyes, Luayes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityselectable replication factor infoRepresentation of geographical distribution of servers is possibleJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoAtomicity and isolation are supported for single operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyesyes infoin-memory journaling
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 controlyes infousing SASL (Simple Authentication and Security Layer) protocolAccess rights for users can be defined per objectRole-based access control
More information provided by the system vendor
MemcachedScyllaDBTerminusDB infoformer name was DataChemist
Specific characteristicsScyllaDB is engineered to deliver predictable performance at scale. It’s adopted...
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Competitive advantagesHighly-performant (efficiently utilizes full resources of a node and network; millions...
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Typical application scenariosScyllaDB is ideal for applications that require high throughput and low latency at...
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Key customersDiscord, Epic Games, Expedia, Zillow, Comcast, Disney+ Hotstar, Samsung, ShareChat,...
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Market metricsScyllaDB typically offers ~75% total cost of ownership savings, with ~5X higher throughput...
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Licensing and pricing modelsScyllaDB Open Source - free open source software (AGPL) ScyllaDB Enterprise - subscription-based...
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MemcachedScyllaDBTerminusDB infoformer name was DataChemist
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