1. 气钉：
Aerospike 是一种闪存优化的内存开源 NoSQL 数据库，并以生产它的同名公司命名。它是一种键值数据存储，旨在为实时大数据应用程序提供亚毫秒级响应时间。 Aerospike 的三个主要组件是 Aerospike 数据库服务器、Aerospike 智能客户端和 Aerospike 管理控制台。
2.阿里云TSDB：
阿里云 TSDB 是一个分布式时序数据库。是一种稳定、可靠、性价比高的在线高性能数据库服务。它提供高效的数据读写能力、高压缩比存储以及时序数据插值和聚合。 Aerospike 和阿里云 TSDB 的区别：
| S.NO. | AEROSPIKE | Alibaba Cloud TSDB |
|---|---|---|
| 1. | It was developed by Aerospike in 2012. | It was developed by Alibaba. |
| 2. | It is a flash-optimized in-memory NoSQL database. | It is a stable, reliable, and cost-effective online high-performance time-series database service. |
| 3. | The license of Aerospike is open-source. | The license of Alibaba Cloud TSDB is commercial. |
| 4. | Server operating system for Aerospike is Linux. | Server operating system for Alibaba Cloud TSDB is a hosted one. |
| 5. | It is not available as a cloud service | It is available as a cloud service. |
| 6. | It has user defined functions for Server-side scripting with Lua. | It does not support the Server-side scripting. |
| 7. | Supported partitioning method is Sharding. | There is no partitioning method. |
| 8. | It does not support SQL query language. | It also does not support SQL query language. |
| 9. | It supports only one replication method – Selectable Replication Factor. | It does not support any replication method. |
| 10. | Aerospike does not provide the concept of Referential Integrity. Hence, no Foreign Keys. | TSDB also does not provide the concept of Referential Integrity. Hence, no Foreign Keys. |
| 11. | It supports in-memory capabilities. | It does not support in-memory capabilities. |
| 12. | It offers an API for user-defined Map/Reduce methods. | It does not offer any API for user-defined Map/Reduce methods. |
| 13. | It only supports atomic execution of operations. | It does not support any Transaction concepts. |
| 14. | It’s primary database model is Key-Value Store. | It’s primary database model is Time-Series DBMS. |
| 15. | The API supported by Aerospike is JDBC. | The API supported by Alibaba Cloud TSDB is HTTP REST. |