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io processing method and device

A processing method and IO request technology, applied in the field of communication, can solve the problems of storage server preemption, storage service unavailability, storage service quality degradation, etc., to prevent cluster IO preemption and ensure service quality.

Active Publication Date: 2022-05-27
NEW H3C BIG DATA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of this, the present application provides an IO processing method and device to solve the problem that due to the difference in resource scheduling and the number of requests in the prior art, the resources of the storage server may be preempted by write operations, resulting in a decline in the quality of storage services, or even The storage service is unavailable

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Embodiment Construction

[0031] Exemplary embodiments will be described in detail here, examples of which are represented in the drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar features. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are only examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0032] The terms used in this application are for the purpose of describing a particular embodiment only, and are not intended to limit the present application. The singular forms used in this application and the appended claims are also intended to include most forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" as used herein refers to and comprises any or all poss...

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Abstract

The present application provides an IO processing method and device, the method is applied to a storage server, and the method includes: receiving a write IO request; according to the write IO request, judging whether the number of tokens in the current token bucket satisfies the Write the number of tokens required for an IO request; if the number of tokens in the current token bucket does not meet the number of tokens required for the write IO request, then judge whether it is the first application token for the token bucket; if Currently, the token bucket is applying for a token for the first time, then query whether there is a read IO request; if there is a read IO request, start the token speed limit mode, and wait for the preset time, then repeat the execution to judge the current token bucket Whether the number of tokens in the bucket meets the number of tokens required for the write IO request, until the number of tokens in the current token bucket meets the number of tokens required for the write IO request.

Description

Technical field [0001] The present application relates to the field of communication technology, in particular to an IO processing method and apparatus. Background [0002] At present, the types of cluster IO are mainly divided into input (INPUT) type and output (OUTPUT) type, input type can also be called write operation, output type can also be called read operation. Among them, the write operation can be further divided into "limit write" operation and "stable write" operation, the difference is whether the next write operation of the current write operation requires the return result of the previous write operation. If the return result of the previous write operation is not required, the "limit write" operation is the "limit write" operation, and the other is the "steady write" operation. [0003] In order to improve the efficiency of write operations, the specific write process of write operations can be divided into asynchronous mode and synchronous mode. Where the input t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L47/215H04L67/568
Inventor 过志雷
Owner NEW H3C BIG DATA TECH CO LTD