RDMA event management method and device, computer equipment and storage medium

A management method and management mechanism technology, applied in the field of devices, computer equipment and storage media, and RDMA event management methods, can solve the problems of mixed running of TCP/IP protocol and RDMA protocol, large difference in IO notification mechanism, etc., and solve application bottlenecks Problems, the effect of expanding application scenarios

Pending Publication Date: 2022-04-01
ALIBABA (CHINA) CO LTD
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Problems solved by technology

[0003] However, in practical applications, there are application requirements that require the mixed operation of the TCP/IP protocol and the RDMA protocol, that is, the same application must be able to perform network transmission through the TCP/IP protocol and RDMA protocol.
However, the IO notificati

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  • RDMA event management method and device, computer equipment and storage medium
  • RDMA event management method and device, computer equipment and storage medium
  • RDMA event management method and device, computer equipment and storage medium

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[0021] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0022] Aiming at the problem of event notification in the mixed running scenario of TCP / IP protocol and RDMA protocol, in the embodiment of the present application, a new user-mode event management mechanism is added between the upper-layer application program and the operating system kernel. The user-mode event management mechanis...

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Abstract

The embodiment of the invention provides an RDMA event management method and device, computer equipment and a storage medium. In the embodiment of the invention, a new user state event management mechanism is additionally arranged between an upper-layer application program and an operating system kernel, and the user state event management mechanism is used for packaging a plurality of kernel state event management instances to obtain a user state event management instance facing the upper-layer application program; the user state event management instance controls different kernel state event management instances contained in the user state event management instance to at least simultaneously perform notification management on the RDMA event and the kernel event, so that the problem of event notification compatibility in a mixed running scene of two protocols is solved, the application scene of the RDMA technology can be further expanded, and the application bottleneck problem faced by the RDMA technology is solved.

Description

technical field [0001] The present application relates to the technical field of RDMA-based network communication, and in particular to an RDMA event management method, device, computer equipment and storage medium. Background technique [0002] The Remote Direct Memory Access (RDMA) protocol, with its feature of bypassing the kernel, allows direct data reading and writing between the application and the network card, and can transfer data directly from the memory of one computer to another computer, Without the intervention of the operating systems of both parties, it avoids the limitations of the Transmission Control Protocol / Internet Protocol (TCP / IP) protocol, and can effectively reduce communication delays and CPU usage. It is widely used in memory databases, Distributed storage, high-performance computing and other fields. [0003] However, in practical applications, there are application requirements that require mixed operation of the TCP / IP protocol and the RDMA pr...

Claims

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Application Information

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IPC IPC(8): G06F9/54
Inventor 孙科蒋冬煜
Owner ALIBABA (CHINA) CO LTD
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