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Cache resource processing method and device and computer-readable storage medium

A resource processing and resource technology, applied in the field of storage systems, can solve problems such as accelerating the speed of cache resource placement, affecting the use of cache resources, and running out of cache resources

Inactive Publication Date: 2019-02-22
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the current cache algorithm cannot effectively handle random write IO, especially in the case of tight cache resources: random write IO will occupy a large amount of cache resources, but the cache resources cannot effectively accelerate the speed of its flushing, and at the same time affect the Use of cache resources by other IOs
Although the processing speed of some random write IOs has been improved in the short term, it may reduce the overall performance of the system
Once this state persists, cache resources will soon be used up, resulting in a significant drop in performance

Method used

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  • Cache resource processing method and device and computer-readable storage medium
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  • Cache resource processing method and device and computer-readable storage medium

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Embodiment Construction

[0033] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0034] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0035] Embodiments of the present invention provide a cache resource processing method, device, and computer-readable storage medium. By judging the tightness of write cache resources, the LRU algorithm is used when the write cache resources are sufficient...

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Abstract

The present invention relates to a cache resource processing method and device and a computer-readable storage medium. The method includes gathering the write cache resource occupancy; judging the state of the write cache resource according to the occupancy of the write cache resource; suppressing random write IO according to the state of the write buffer resource. The invention realizes the purpose of inhibiting random writing IO when the write buffer resource is short, limiting the occupation of the buffer resource and ensuring the overall performance of the system by selecting the elimination algorithm according to the state of the writing cache resources.

Description

technical field [0001] The present invention relates to storage system technology, in particular to a cache resource processing method, device and computer-readable storage medium. Background technique [0002] In the storage system, data reading and writing capabilities are key indicators. In order to improve IO processing capabilities, caching is the only way for data. Many mature algorithms have been produced, and the most classic one is the least recently used LRU (Least Recently Used) algorithm. . [0003] However, the current cache algorithm cannot effectively handle random write IO, especially in the case of tight cache resources: random write IO will occupy a large amount of cache resources, but the cache resources cannot effectively accelerate the speed of its flushing, and at the same time affect the Other IO usage of cache resources. Although the processing speed of some random write IOs has been improved in the short term, it may reduce the overall performance ...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0656
Inventor 刘志魁
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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