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DBMS > Alibaba Cloud Log Service vs. Alibaba Cloud PolarDB vs. EJDB

System Properties Comparison Alibaba Cloud Log Service vs. Alibaba Cloud PolarDB vs. EJDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonAlibaba Cloud PolarDB  Xexclude from comparisonEJDB  Xexclude from comparison
DescriptionA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.A cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Embeddable document-store database library with JSON representation of queries (in MongoDB style)
Primary database modelSearch engineRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.47
Rank#263  Overall
#18  Search engines
Score0.66
Rank#235  Overall
#108  Relational DBMS
Score0.31
Rank#296  Overall
#44  Document stores
Websitewww.alibabacloud.com/­product/­log-servicewww.alibabacloud.com/­product/­polardbgithub.com/­Softmotions/­ejdb
Technical documentationwww.alibabacloud.com/­help/­en/­slswww.alibabacloud.com/­help/­en/­polardb/­product-overviewgithub.com/­Softmotions/­ejdb/­blob/­master/­README.md
DeveloperAlibabaCloud Inc.AlibabaSoftmotions
Initial release20162012
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPLv2
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC
Server operating systemshostedhostedserver-less
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyesyes infostring, integer, double, bool, date, object_id
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.noyes
Secondary indexesyesyesno
SQL infoSupport of SQLSQL for queryingyesno
APIs and other access methodsHTTP RESTJDBC
ODBC
in-process shared library
Supported programming languagesJava
Python
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Server-side scripts infoStored proceduresnoyesno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasyes infoImplicit feature of the cloud servicenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno infotypically not needed, however similar functionality with collection joins possible
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoRead/Write Locking
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAlibaba Cloud user access controlfine grained access rights according to SQL-standardno
More information provided by the system vendor
Alibaba Cloud Log ServiceAlibaba Cloud PolarDBEJDB
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
PolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
Webinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Creating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» more
Key customers* Alibaba & Ant-Financeļ¼šhe 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
Specification and pricing. You can use either of the following billing methods to...
» more

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More resources
Alibaba Cloud Log ServiceAlibaba Cloud PolarDBEJDB
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