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DBMS > Alibaba Cloud TSDB vs. EventStoreDB vs. Memcached vs. openGemini vs. Rockset

System Properties Comparison Alibaba Cloud TSDB vs. EventStoreDB vs. Memcached vs. openGemini vs. Rockset

Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonEventStoreDB  Xexclude from comparisonMemcached  Xexclude from comparisonopenGemini  Xexclude from comparisonRockset  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceIndustrial-strength, open-source database solution built from the ground up for event sourcing.In-memory key-value store, originally intended for cachingAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityA scalable, reliable search and analytics service in the cloud, built on RocksDB
Primary database modelTime Series DBMSEvent StoreKey-value storeTime Series DBMSDocument store
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#301  Overall
#26  Time Series DBMS
Score1.19
Rank#173  Overall
#1  Event Stores
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Score0.82
Rank#212  Overall
#36  Document stores
Websitewww.alibabacloud.com/­product/­hitsdbwww.eventstore.comwww.memcached.orgwww.opengemini.org
github.com/­openGemini
rockset.com
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbdevelopers.eventstore.comgithub.com/­memcached/­memcached/­wikidocs.opengemini.org/­guidedocs.rockset.com
DeveloperAlibabaEvent Store LimitedDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalHuawei and openGemini communityRockset
Initial release2012200320222019
Current release21.2, February 20211.6.27, May 20241.1, July 2023
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoBSD licenseOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud serviceyesnononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCGoC++
Server operating systemshostedLinux
Windows
FreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
hosted
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateNumeric data and StringsnoInteger, Float, Boolean, Stringdynamic typing
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 infoingestion from XML files supported
Secondary indexesnonoyesall fields are automatically indexed
SQL infoSupport of SQLnonoSQL-like query languageRead-only SQL queries, including JOINs
APIs and other access methodsHTTP RESTProprietary protocolHTTP RESTHTTP REST
Supported programming languagesJava.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnononono
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess managed on TSDB instance levelyes infousing SASL (Simple Authentication and Security Layer) protocolAdministrators and common users accountsAccess rights for users and organizations can be defined via Rockset console

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More resources
Alibaba Cloud TSDBEventStoreDBMemcachedopenGeminiRockset
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