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DBMS > Alibaba Cloud Log Service vs. Amazon DynamoDB vs. Datomic vs. NCache

System Properties Comparison Alibaba Cloud Log Service vs. Amazon DynamoDB vs. Datomic vs. NCache

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Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonAmazon DynamoDB  Xexclude from comparisonDatomic  Xexclude from comparisonNCache  Xexclude from comparison
DescriptionA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.Hosted, scalable database service by Amazon with the data stored in Amazons cloudDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityOpen-Source and Enterprise in-memory Key-Value Store
Primary database modelSearch engineDocument store
Key-value store
Relational DBMSKey-value store
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#265  Overall
#18  Search engines
Score74.07
Rank#17  Overall
#3  Document stores
#2  Key-value stores
Score1.59
Rank#150  Overall
#69  Relational DBMS
Score0.94
Rank#195  Overall
#29  Key-value stores
Websitewww.alibabacloud.com/­product/­log-serviceaws.amazon.com/­dynamodbwww.datomic.comwww.alachisoft.com/­ncache
Technical documentationwww.alibabacloud.com/­help/­en/­slsdocs.aws.amazon.com/­dynamodbdocs.datomic.comwww.alachisoft.com/­resources/­docs
DeveloperAlibabaCloud Inc.AmazonCognitectAlachisoft
Initial release2016201220122005
Current release1.0.6735, June 20235.3.3, April 2024
License infoCommercial or Open Sourcecommercialcommercial infofree tier for a limited amount of database operationscommercial infolimited edition freeOpen Source infoEnterprise Edition available
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureC#, .NET, .NET Core, Java
Server operating systemshostedhostedAll OS with a Java VMLinux
Windows
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyesyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counter
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 indexesyesyesyesyes
SQL infoSupport of SQLSQL for queryingnonoSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.
APIs and other access methodsHTTP RESTRESTful HTTP APIRESTful HTTP APIIDistributedCache
JCache
LINQ
Proprietary native API
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
Clojure
Java
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Server-side scripts infoStored proceduresnonoyes infoTransaction Functionsno infosupport for stored procedures with SQL-Server CLR
Triggersyesyes infoby integration with AWS LambdaBy using transaction functionsyes infoNotifications
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnone infoBut extensive use of caching in the application peersyes
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasyesnone infoBut extensive use of caching in the application peersyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectorno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)noyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infoACID across one or more tables within a single AWS account and regionACIDoptimistic locking and pessimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes
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 developmentyes
User concepts infoAccess controlAlibaba Cloud user access controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)noAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)
More information provided by the system vendor
Alibaba Cloud Log ServiceAmazon DynamoDBDatomicNCache
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customers* Alibaba & Ant-Finance:he infrastructure service for the Corp * Over 22k Subscriber...
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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More resources
Alibaba Cloud Log ServiceAmazon DynamoDBDatomicNCache
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