To improve the system business performance, Fusionstorage organizes the SSDs on each storage node into a shared distributed cache resource pool, a part of which is used as the cache area of the main…

To improve the system business performance, Fusionstorage organizes the SSDs on each storage node into a shared distributed cache resource pool, a part of which is used as the cache area of the main memory machine to ensure that the data is cached by this part of the cache before entering the HDD mechanical disk to reduce latency, usually called () cache