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DBMS > Alibaba Cloud Table Store vs. Memcached vs. OpenTSDB vs. Realm vs. VoltDB

System Properties Comparison Alibaba Cloud Table Store vs. Memcached vs. OpenTSDB vs. Realm vs. VoltDB

Editorial information provided by DB-Engines
NameAlibaba Cloud Table Store  Xexclude from comparisonMemcached  Xexclude from comparisonOpenTSDB  Xexclude from comparisonRealm  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionA fully managed Wide Column Store for large quantities of semi-structured data with real-time accessIn-memory key-value store, originally intended for cachingScalable Time Series DBMS based on HBaseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelWide column storeKey-value storeTime Series DBMSDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.26
Rank#301  Overall
#12  Wide column stores
Score19.42
Rank#32  Overall
#4  Key-value stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score1.44
Rank#158  Overall
#73  Relational DBMS
Websitewww.alibabacloud.com/­product/­table-storewww.memcached.orgopentsdb.netrealm.iowww.voltdb.com
Technical documentationwww.alibabacloud.com/­help/­en/­tablestoregithub.com/­memcached/­memcached/­wikiopentsdb.net/­docs/­build/­html/­index.htmlrealm.io/­docsdocs.voltdb.com
DeveloperAlibabaDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalcurrently maintained by Yahoo and other contributorsRealm, acquired by MongoDB in May 2019VoltDB Inc.
Initial release20162003201120142010
Current release1.6.25, March 202411.3, April 2022
License infoCommercial or Open SourcecommercialOpen Source infoBSD licenseOpen Source infoLGPLOpen SourceOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaJava, C++
Server operating systemshostedFreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
Android
Backend: server-less
iOS
Windows
Linux
OS X infofor development
Data schemeschema-freeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesnonumeric data for metrics, strings for tagsyesyes
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.nonono
Secondary indexesnononoyesyes
SQL infoSupport of SQLnonononoyes infoonly a subset of SQL 99
APIs and other access methodsHTTP APIProprietary protocolHTTP API
Telnet API
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesJava
Python
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Erlang
Go
Java
Python
R
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnononono inforuns within the applications so server-side scripts are unnecessaryJava
Triggersnononoyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenoneSharding infobased on HBasenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone infoRepcached, a Memcached patch, provides this functionallityselectable replication factor infobased on HBasenoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integritynonononono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic single-row operationsnonoACIDACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesnoyesyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infoIn-Memory realm
User concepts infoAccess controlAccess rights based on subaccounts and tokensyes infousing SASL (Simple Authentication and Security Layer) protocolnoyesUsers and roles with access to stored procedures

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More resources
Alibaba Cloud Table StoreMemcachedOpenTSDBRealmVoltDB
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