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记录服务。它是一个完整的实时数据记录服务，支持日志的收集、消费、发送、搜索和分析。
2.亚马逊海王星：
Amazon Neptune 是 Amazon.com 为云产品构建的快速、可靠的图形数据库。它是 AWS(亚马逊网络服务)的一部分。它于 2017 年 11 月 29 日宣布。它同时支持开源 Apache TinkerPop Gremlin 图遍历语言。它允许用户使用通过 AWS Key Management Service 创建的密钥加密数据库。
阿里云日志服务与亚马逊海王星的区别：
| S.NO. | ALIBABA CLOUD LOG SERVICE | Amazon Neptune |
|---|---|---|
| 1. | Developed By AlibabaCloud Inc. on 2016. | Developed By Amazon on 2017. |
| 2. | It is a complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs. | It is a fast, reliable graph database built for the cloud product by Amazon.com |
| 3. | The License of Alibaba Cloud Log Service is commercial. | The License of Amazon Neptune is commercial. |
| 4. | In Alibaba Cloud Log Service, Hosted server operating systems. | In Amazon Neptune, Hosted server operating systems |
| 5. | Its primary database model is Search engine. | Its Primary database model are Graph DBMS and RDF store. |
| 6. | It does not support the Server-side scripting. | It does not support the Server-side scripting. |
| 7. | There is only one partitioning methods – Sharding. | It does not support partitioning methods. |
| 8. | It supports SQL query language. | It does not supports SQL query language. |
| 9. | It support 3 replicas. | It support multi-availability zones high availability. |
| 10. | It does not provides the concept of Referential Integrity. Hence, no Foreign Keys. | It provides the concept of Referential Integrity. Hence, there is Foreign Keys. |
| 11. | It offers an ES-Hadoop Connector as a Map/Reduce methods | It does not offers an API for user-defined Map/Reduce methods. |