阿里云日志服务和Amazon SimpleDB之间的区别

1.阿里云日志服务：
日志服务是阿里巴巴集团开发的完整的实时数据日志服务。它是一个完整的实时数据记录服务，支持日志的收集，使用，运输，搜索和分析。

2. Amazon SimpleDB：
它是Amazon托管的简单数据库服务，数据存储在Amazon Cloud中。它是Amazon是一项用于实时在结构化数据上运行查询的Web服务。该数据库由Amazon.com用Erlang编写。它具有以下功能–高可用性和灵活性，几乎没有管理负担。

阿里云日志服务和Amazon SimpleDB之间的区别：

S.NO.	Alibaba Cloud Log Service	Amazon SimpleDB
1.	Developed By AlibabaCloud Inc. in 2016.	Developed By Amazon in 2007.
2.	It is complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.	It is hosted simple database service by Amazon, with the data stored in the Amazon Cloud.
3.	It offers an ES-Hadoop Connector as a Map/Reduce methods.	It does not offer an API for user-defined Map/Reduce methods.
4.	It supports 3 replicas.	It supports replication methods.
5.	Its primary database model is a Search engine.	Its primary database model is the Key-value store.
6.	It supports SQL query language.	It does not support the SQL query language.
7.	There is only one partitioning method – Sharding.	It does not support partitioning methods.
8.	It supports predefined data types such as float or date.	It does not support predefined data types such as float or date.
9.	Eventual Consistency is used to ensure consistency in a distributed system.	Eventual Consistency and Immediate Consistency are used to ensure consistency in a distributed system.