Internal storage log file system and achieving method thereof

A file system and log file technology, applied in digital data processing components, instruments, electrical digital data processing, etc., can solve the problems of high power consumption and low performance of hard disks

Active Publication Date: 2014-01-15
SUZHOU INST FOR ADVANCED STUDY USTC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a memory log file system based on the EXT4 file system, by reducing the power consumption of the computer hard disk from the file system layer and improvi

Method used

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  • Internal storage log file system and achieving method thereof
  • Internal storage log file system and achieving method thereof
  • Internal storage log file system and achieving method thereof

Examples

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Embodiment Construction

[0044] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.

[0045] Example of development of the memory log file system of the embodiment

[0046] 1. Research on access frequency of log area

[0047] In this embodiment, the access frequency of the log area is counted at the block-level layer of the operating system. This layer can analyze many characteristics of the file system, such as distinguishing whether each block is read or written, and determining whether access is sequential or random based on the block number. This article needs to distinguish the log area fi...

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Abstract

The invention discloses an internal storage log file system based on an EXT 4 file system. The internal storage log file system is characterized by comprising an internal storage log area establishing module, a log file refreshing module and a log area write-back module, wherein the internal storage log area establishing module is used for establishing an internal storage log area for mapping an internal storage log area of a hard disk partition EXT4 file system log area in the internal storage. The log file refreshing module is used for reading a log area file in a hard disk partition into the internal storage log area when the hard disk partition is mounted, and the log file refreshing module is used for writing the internal storage log area as the log area file into a hard disk when the hard disk partition is dismounted. The log area write-back module is used for writing the internal storage log area for mapping a hard disk partition EXT4 file system into the other hard disk partition log area after the hard disk partition is dismounted. The power consumption of the hard disk is reduced by reducing the access times of the hard disk, and meanwhile due to the fact that the speed of the internal storage is far higher than that of the hard disk, the performance of the whole can be improved through the internal storage log system.

Description

technical field [0001] The invention belongs to the technical field of file system optimization, and in particular relates to a memory log file system and an implementation method thereof. Background technique [0002] The strategies for reducing hard disk power consumption are divided into two types: dynamic speed regulation strategy and sleep wake-up strategy. In the case of low load, the components adopt a relatively low operating frequency. Under high load conditions, the components operate at high frequencies. This method of dynamically adjusting the operating frequency of components according to load changes to save power consumption is called dynamic speed regulation technology. Depending on the length of the component's idle time, it can reduce the power consumption of the component by putting the component into a sleep state of different depths. This method is called a sleep-wake strategy. [0003] The dynamic speed regulation technology is called dynamic voltage...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06F1/32G06F3/06
CPCG06F1/325G06F3/0643G06F16/1815Y02D10/00
Inventor 李曦陈香兰周学海张海鹏贾刚勇朱宗卫
Owner SUZHOU INST FOR ADVANCED STUDY USTC
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