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DBMS > Alibaba Cloud TSDB vs. Lovefield vs. Memcached vs. OmniSci

System Properties Comparison Alibaba Cloud TSDB vs. Lovefield vs. Memcached vs. OmniSci

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonLovefield  Xexclude from comparisonMemcached  Xexclude from comparisonOmniSci infoFormerly named 'MapD', rebranded to 'OmniSci' in September 2018  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceEmbeddable relational database for web apps written in pure JavaScriptIn-memory key-value store, originally intended for cachingA high performance, column-oriented RDBMS, specifically developed to harness the massive parallelism of modern CPU and GPU hardware
Primary database modelTime Series DBMSRelational DBMSKey-value storeRelational DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.30
Rank#270  Overall
#22  Time Series DBMS
Score0.30
Rank#269  Overall
#124  Relational DBMS
Score26.27
Rank#31  Overall
#4  Key-value stores
Score1.26
Rank#154  Overall
#75  Relational DBMS
Websitewww.alibabacloud.com/­product/­hitsdbgoogle.github.io/­lovefieldwww.memcached.orggithub.com/­omnisci/­omniscidb
www.omnisci.com
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­55652.htmgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdgithub.com/­memcached/­memcached/­wikidocs.omnisci.com
DeveloperAlibabaGoogleDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalMapD Technologies, Inc.
Initial release201420032016
Current release2.1.12, February 20171.6.9, November 20205.6, April 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoBSD licenseOpen Source infoApache Version 2; enterprise edition available
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptCC++ and CUDA
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariFreeBSD
Linux
OS X
Unix
Windows
Linux
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateNumeric data and Stringsyesnoyes
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 indexesnoyesnono
SQL infoSupport of SQLnoSQL-like query language infovia JavaScript builder patternnoyes
APIs and other access methodsHTTP RESTProprietary protocolJDBC
ODBC
Thrift
Vega
Supported programming languagesJavaJavaScript.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
All languages supporting JDBC/ODBC/Thrift
Python
Server-side scripts infoStored proceduresnononono
TriggersnoUsing read-only observersnono
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infoRound robin
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoRepcached, a Memcached patch, provides this functionallityMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, by using IndexedDB or the cloud service Firebase Realtime Databasenoyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infousing MemoryDByes
User concepts infoAccess controlAccess managed on TSDB instance levelnoyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standard

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More resources
Alibaba Cloud TSDBLovefieldMemcachedOmniSci infoFormerly named 'MapD', rebranded to 'OmniSci' in September 2018
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