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DBMS > Memcached vs. Speedb vs. Tkrzw

System Properties Comparison Memcached vs. Speedb vs. Tkrzw

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonSpeedb  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingAn embeddable, high performance key-value store optimized for write-intensive workloads, which can be used as a drop-in replacement for RocksDBA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelKey-value storeKey-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score16.84
Rank#32  Overall
#4  Key-value stores
Score0.20
Rank#310  Overall
#44  Key-value stores
Score0.00
Rank#385  Overall
#61  Key-value stores
Websitewww.memcached.orgwww.speedb.iodbmx.net/­tkrzw
Technical documentationgithub.com/­memcached/­memcached/­wiki
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSpeedbMikio Hirabayashi
Initial release200320202020
Current release1.6.29, June 20240.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoApache Version 2.0; commercial license availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++C++
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
Linux
macOS
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenonono
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 indexesnono
SQL infoSupport of SQLnonono
APIs and other access methodsProprietary protocol
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C++
Go
Java
Perl
Python
Ruby
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnonono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes
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.yesyes infousing specific database classes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolnono

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More resources
MemcachedSpeedbTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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