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DBMS > Memcached vs. Rockset vs. SpaceTime vs. TDSQL for MySQL

System Properties Comparison Memcached vs. Rockset vs. SpaceTime vs. TDSQL for MySQL

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonRockset  Xexclude from comparisonSpaceTime  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingA scalable, reliable search and analytics service in the cloud, built on RocksDBSpaceTime is a spatio-temporal DBMS with a focus on performance.A high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.
Primary database modelKey-value storeDocument storeSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMS
Search engine
Relational DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score19.42
Rank#32  Overall
#4  Key-value stores
Score0.79
Rank#211  Overall
#35  Document stores
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score0.85
Rank#205  Overall
#95  Relational DBMS
Websitewww.memcached.orgrockset.comwww.mireo.com/­spacetimewww.tencentcloud.com/­products/­dcdb
Technical documentationgithub.com/­memcached/­memcached/­wikidocs.rockset.comwww.tencentcloud.com/­document/­product/­1042
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalRocksetMireoTencent
Initial release2003201920202013
Current release1.6.25, March 2024
License infoCommercial or Open SourceOpen Source infoBSD licensecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++C++
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
hostedLinuxhosted
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenodynamic typingyesyes
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 infoingestion from XML files supportednono
Secondary indexesnoall fields are automatically indexednoyes
SQL infoSupport of SQLnoRead-only SQL queries, including JOINsA subset of ANSI SQL is implementedyes
APIs and other access methodsProprietary protocolHTTP RESTRESTful HTTP APIJDBC
ODBC
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Go
Java
JavaScript (Node.js)
Python
C#
C++
Python
C
C#
C++
Java
PHP
Python
Ruby
Server-side scripts infoStored proceduresnononoyes
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesnoneAutomatic shardingFixed-grid hypercubesAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyesReal-time block device replication (DRBD)Multi-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentnoyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolAccess rights for users and organizations can be defined via Rockset consoleyesUsers with fine-grained authorization concept

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More resources
MemcachedRocksetSpaceTimeTDSQL for MySQL
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