Data access method, device and equipment

By setting up multiple storage media and corresponding readers and writers in the memory node, and determining the required storage media and readers based on the key values ​​of the data, the reasonable distribution of data is achieved, and the problem of inefficient access in the single data access mechanism when there is or not is solved, which improves the overall efficiency of the system.

CN119690323APending Publication Date: 2025-03-25HUAWEI TECH CO LTD +1
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Patent Information

Application Number
CN202311244871.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-25
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

In the prior art, a single data access mechanism is inefficient in access when there is data conflict, or is also inefficient in access when there is no data conflict, and it is impossible to effectively balance the access efficiency in both cases.

Method used

By setting up multiple storage media and corresponding readers and writers in the memory node, and determining the required storage media and readers based on the key values ​​of the data, the reasonable distribution of data is achieved. Specifically, data with high concurrent read and write frequency is stored in a first storage medium that supports efficient read and write, while data with low concurrent read and write frequency is stored in a second storage medium that supports efficient read and write.

Benefits of technology

When there is data conflict, ensure that the data read and write efficiency does not decrease; when there is no data conflict, improve the data read and write efficiency, so as to ensure the data read and write efficiency whether in the case of data conflict or data conflict, thereby improving the system efficiency and timeliness of business processing.

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Abstract

The invention discloses a data access method, device and equipment. According to the method, high-frequency concurrently read / written data is stored in a DPU (Data Processing Unit) memory of a memory node, and other data is stored in a node memory; and if the computing node determines that the first target data to be read / written is stored in the DPU memory, sending a first request to the memory node to request a DPU processor of the memory node to read / write the first target data in the DPU memory, otherwise, sending a second request to request an RDMA network card of the memory node to read / write the first target data in the node memory. The DPU processor reads and writes the data in the DPU memory, so that the reading and writing efficiency can be guaranteed when data conflicts exist; according to the method, the RDMA network card reads and writes the data in the node memory, the read-write efficiency can be guaranteed when no data conflict exists, and therefore the read-write efficiency of the data can be guaranteed no matter whether the data conflict exists or no data conflict exists, the system efficiency is improved, and the timeliness of service processing is guaranteed.
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