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DBMS > Alibaba Cloud TSDB vs. Memcached vs. ToroDB vs. XTDB

System Properties Comparison Alibaba Cloud TSDB vs. Memcached vs. ToroDB vs. XTDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonMemcached  Xexclude from comparisonToroDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceIn-memory key-value store, originally intended for cachingA MongoDB-compatible JSON document store, built on top of PostgreSQLA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelTime Series DBMSKey-value storeDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.24
Rank#306  Overall
#26  Time Series DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Score0.11
Rank#343  Overall
#46  Document stores
Websitewww.alibabacloud.com/­product/­hitsdbwww.memcached.orggithub.com/­torodb/­servergithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbgithub.com/­memcached/­memcached/­wikiwww.xtdb.com/­docs
DeveloperAlibabaDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal8KdataJuxt Ltd.
Initial release200320162019
Current release1.6.25, March 20241.19, September 2021
License infoCommercial or Open SourcecommercialOpen Source infoBSD licenseOpen Source infoAGPL-V3Open Source infoMIT License
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaClojure
Server operating systemshostedFreeBSD
Linux
OS X
Unix
Windows
All OS with a Java 7 VMAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateNumeric data and Stringsnoyes infostring, integer, double, boolean, date, object_idyes, extensible-data-notation format
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 indexesnonoyes
SQL infoSupport of SQLnonolimited SQL, making use of Apache Calcite
APIs and other access methodsHTTP RESTProprietary protocolHTTP REST
JDBC
Supported programming languagesJava.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Clojure
Java
Server-side scripts infoStored proceduresnonono
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate 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 persistentyesnoyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess managed on TSDB instance levelyes infousing SASL (Simple Authentication and Security Layer) protocolAccess rights for users and roles

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More resources
Alibaba Cloud TSDBMemcachedToroDBXTDB infoformerly named Crux
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