[GitHub] [incubator-iotdb] mdf369 opened a new pull request #1324: NVM-IoTDB: Add support for NVM to remove WAL module

[GitBox]

mdf369 opened a new pull request #1324:
URL: https://github.com/apache/incubator-iotdb/pull/1324


   NVM-IoTDB implements a new system architecture based on NVM, and abandons 
the traditional WAL, instead uses the non-volatile characteristics of NVM to 
ensure data durability, and use high-speed NVM IO to replace low-speed disk IO 
to improve IoTDB throughput and disaster recovery speed. The new system 
architecture is as shown in the figure.
   
![image](https://user-images.githubusercontent.com/16442316/83990430-347f0580-a97c-11ea-97b1-3f2427668923.png)
   


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