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DBMS > Alibaba Cloud Log Service vs. Datomic vs. EventStoreDB vs. Heroic vs. LokiJS

System Properties Comparison Alibaba Cloud Log Service vs. Datomic vs. EventStoreDB vs. Heroic vs. LokiJS

Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonDatomic  Xexclude from comparisonEventStoreDB  Xexclude from comparisonHeroic  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.Datomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityIndustrial-strength, open-source database solution built from the ground up for event sourcing.Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchIn-memory JavaScript DBMS
Primary database modelSearch engineRelational DBMSEvent StoreTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#265  Overall
#18  Search engines
Score1.59
Rank#150  Overall
#69  Relational DBMS
Score1.10
Rank#179  Overall
#1  Event Stores
Score0.51
Rank#255  Overall
#21  Time Series DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Websitewww.alibabacloud.com/­product/­log-servicewww.datomic.comwww.eventstore.comgithub.com/­spotify/­heroicgithub.com/­techfort/­LokiJS
Technical documentationwww.alibabacloud.com/­help/­en/­slsdocs.datomic.comdevelopers.eventstore.comspotify.github.io/­heroictechfort.github.io/­LokiJS
DeveloperAlibabaCloud Inc.CognitectEvent Store LimitedSpotify
Initial release20162012201220142014
Current release1.0.6735, June 202321.2, February 2021
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freeOpen SourceOpen Source infoApache 2.0Open Source
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 languageJava, ClojureJavaJavaScript
Server operating systemshostedAll OS with a Java VMLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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.nononono
Secondary indexesyesyesyes infovia Elasticsearchyes infovia views
SQL infoSupport of SQLSQL for queryingnonono
APIs and other access methodsHTTP RESTRESTful HTTP APIHQL (Heroic Query Language, a JSON-based language)
HTTP API
JavaScript API
Supported programming languagesClojure
Java
JavaScript
Server-side scripts infoStored proceduresnoyes infoTransaction FunctionsnoView functions in JavaScript
TriggersyesBy using transaction functionsnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingnone infoBut extensive use of caching in the application peersShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasnone infoBut extensive use of caching in the application peersyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
none
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnono infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes inforecommended only for testing and developmentnoyes
User concepts infoAccess controlAlibaba Cloud user access controlnono
More information provided by the system vendor
Alibaba Cloud Log ServiceDatomicEventStoreDBHeroicLokiJS
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Key customers* Alibaba & Ant-Finance:he infrastructure service for the Corp * Over 22k Subscriber...
» more
Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
» more

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More resources
Alibaba Cloud Log ServiceDatomicEventStoreDBHeroicLokiJS
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