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RDMA memory application protection method, system and device and storage medium

A memory application and system protection technology, applied in the Internet field, can solve problems such as time-consuming, and achieve the effects of alleviating competition, reducing system congestion, and improving stability

Inactive Publication Date: 2022-03-29
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Registering the memory area is time-consuming. In the actual test, it takes about 3.6s to register 100G memory

Method used

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  • RDMA memory application protection method, system and device and storage medium
  • RDMA memory application protection method, system and device and storage medium
  • RDMA memory application protection method, system and device and storage medium

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0035] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0036] Such as figure 1 As shown, one aspect of the present invention also proposes a RDMA memory application protection method, including:

[0037] Step S1, applying for multiple memory blocks in the memory in a pre-registered manner, and establis...

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Abstract

The invention provides an RDMA (Remote Direct Memory Access) memory application protection method, which comprises the following steps of: applying for a plurality of memory blocks in a memory in a pre-registration manner, and establishing a memory block resource pool based on the plurality of memory blocks; and in response to the need of writing the data into the memory, allocating a plurality of memory blocks from the memory block resource pool to store the data according to the size of the data. According to the RDMA memory application protection method provided by the invention, a memory application mode when data is written in by using an RDMA data transmission mode is changed into a pre-registration mode, and application of RDMA memory protection is realized by adopting a batch pre-registration mode, so that system blockage caused by exclusive memory control can be effectively reduced. And the competitive relationship between RDMA memory use and system memory use is relieved. And the stability of the storage system using the RDMA link is improved.

Description

technical field [0001] The invention belongs to the technical field of the Internet, and in particular relates to an RDMA memory application protection method, system, equipment and storage medium. Background technique [0002] RDMA (Remote-Direct Memory Access) remote memory direct access is a high-speed network technology introduced by companies such as Mellanox and Intel. Compared with traditional network technologies, RDMA can bypass the operating system protocol stack, reduce the number of memory copies, and avoid system state kernels. state switching overhead, thus providing higher bandwidth, lower latency, and occupying less system resources. [0003] RDMA is a network transmission technology that directly accesses the storage area of ​​the remote computer. It quickly copies data from the local system to the remote system memory. During the transmission process, it only occupies unilateral CPU resources and bypasses the operating system kernel protocol stack. Improve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F9/50G06F13/28
CPCG06F3/0602G06F3/064G06F13/28G06F9/5022G06F9/5016
Inventor 张砚凯
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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