Data storage method, scheduling device, system and device and storage medium

Abstract

The embodiment of the invention relates to the field of data storage, and discloses a data storage method, a scheduling device, system and device and a storage medium. In the invention, the data storage method comprises the following steps: determining the data size of the received write request; determining a write mode of data in the write request according to the data size of the write request;Wherein the writing mode comprises a first writing mode; Wherein the first write mode is to directly store the data in the write request into the memory; The data in the write request is stored according to the determined write mode. According to the data size of the write request, the write mode of the data storage system to the data in the write request is flexibly adjusted, so that the data storage system has high IOPS performance and high throughput performance.

Description

technical field [0001] The embodiments of the present invention relate to the field of data storage, and in particular to a data storage method, scheduling device, system, equipment, and storage medium. Background technique [0002] With the development of Internet technology (Internet Technology, IT) and the Internet, especially the rise of cloud computing, the huge increase in the amount of information puts forward higher requirements for storage systems. Although traditional storage systems based on mechanical hard disks (Hard Disk Drive, HDD) can keep up with the pace in terms of capacity, their speed is still the bottleneck of storage services. The rapid development of a new type of storage medium—Solid State Drives (SSD) has injected new vitality into storage systems. SSD reads and writes fast, but its capacity is much smaller than that of HDD, and it is more expensive. The emergence of the hybrid storage system solves the problem of poor performance of traditional H...

AI Technical Summary

Problems solved by technology

[0003] However, the inventors have found that there are at least the following problems in the prior art: the hybrid storage system was originally designed to utilize the high number of read and write requests per second (Input / Output Operations Per Second, IOPS) of the SSD, so the hybrid storage system is The performance of reading and writing (Input / Output, IO) operations (hereinafter referred to as small IO) with a relatively small amount of data is significantly improved

Sequential reading and writing of large data volumes and low frequencies, such as disk scanning and file copying, will cause fluctuations in the read and write performance of the entire storage system

The cache scheduling method of the hybrid storage system is too simple and cannot make full use of the high IOPS performance of SSD and the high throughput performance of HDD

Images