Database hierarchical storage optimization method capable of achieving flexible configuration
A layered storage and optimization method technology, applied in the field of database storage, can solve problems such as CPU computing blockage, small capacity, slow random access speed, etc., and achieve the effect of solving IO bottlenecks and improving performance
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[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. It should be noted that, if there is no conflict, the embodiments of the present invention and various features in the embodiments can be combined with each other, and all are within the protection scope of the present invention.
[0030] NVM technology is a new technology in the current memory field. Compared with DRAM, it not only has a large capacity, but also has non-volatility. Therefore, using this kind of memory can not only increase the storage capacity of DRAM, but also overcome the volatile defects of DRAM. In other words, NVM acts as both a DRAM-like cache device and an HDD-like permanent storage device. However, compared with hard disks, NVM is still very expensive and has a much smaller capacity, so it can only be used as a permanent storage device for key data. Therefore, in practical applications, it can be considered to expand the stora...
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