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DBMS > Memcached vs. Sadas Engine vs. ToroDB

System Properties Comparison Memcached vs. Sadas Engine vs. ToroDB

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonSadas Engine  Xexclude from comparisonToroDB  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingSADAS Engine is a columnar DBMS specifically designed for high performance in Data warehouse environmentsA MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelKey-value storeRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score24.95
Rank#33  Overall
#4  Key-value stores
Score0.00
Rank#354  Overall
#152  Relational DBMS
Score0.03
Rank#337  Overall
#46  Document stores
Websitewww.memcached.orgwww.sadasengine.comwww.torodb.com
Technical documentationgithub.com/­memcached/­memcached/­wikiwww.sadasengine.com/­index.php/­downloads/­documentation-columnar-dbwww.torodb.com/­stampede/­docs
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSADAS s.r.l.8Kdata
Initial release200320062016
Current release1.6.15, March 20228.0
License infoCommercial or Open SourceOpen Source infoBSD licensecommercial infofree trial version availableOpen Source infoAGPL-V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++Java
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
AIX
Linux
Windows
All OS with a Java 7 VM
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesyes infostring, integer, double, boolean, date, object_id
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
SQL infoSupport of SQLnoyes
APIs and other access methodsProprietary protocolJDBC
ODBC
Proprietary protocol
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C
C#
C++
Groovy
Java
PHP
Python
Server-side scripts infoStored proceduresnono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitynoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infomanaged by 'Learn by Usage'
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolAccess rights for users, groups and roles according to SQL-standardAccess rights for users and roles

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More resources
MemcachedSadas EngineToroDB
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How Pinterest Tuned Memcached for Big Performance Gains
16 May 2022, thenewstack.io

Key Value Database Market Size In 2022 : Strategic Plans by Globally Industry Demand, Business Growth and Forecast to 2027 with Top Countries Data | 125 Report Pages
24 May 2022, Digital Journal

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19 May 2022, Phoronix

Google Releases Memorystore for Memcached into General Availability
9 March 2021, InfoQ.com

Google Cloud rolls out Memcached database caching – Blocks and Files
4 April 2020, Blocks and Files

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