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Method and device for processing data

A data processing and data technology, applied in the field of data processing, can solve problems such as large resource consumption, and achieve the effects of reducing resources, ensuring data volume, and reducing processing overhead.

Inactive Publication Date: 2014-01-22
深圳市戮默科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0006] This application provides a data processing method and device to solve the technical problem of dirty data marking in the prior art, resulting in large resource consumption

Method used

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  • Method and device for processing data
  • Method and device for processing data
  • Method and device for processing data

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Embodiment Construction

[0052] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0053] One of the main ideas of the embodiments of the present application may include:

[0054] When dirty data is detected, query the pre-established first bitmap for indexing at least two first storage blocks with a first predetermined capacity, and determine the corresponding position in the first bitmap of the first storage block to which the dirty data belongs Whether to set the dirty data flag, if not, set the dirty data flag, and divide the first storage block into at least ...

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Abstract

The embodiment of the invention provides a method and device for processing data. The method comprises the steps that when dirty data are detected, the first bitmap of a first storage block which is built in advance and used for indexing at least two first reserved capacities is inquired, and the first storage block is determined by dividing data storage space; whether the corresponding position of the first storage block which the dirty data belong to in the first bitmap is provided with dirty data identification or not is judged; if not, the corresponding position of the first storage block which the dirty data belong to in the first bitmap is provided with the dirty data identification, the first storage block is divided into the second storage blocks of at least two second reserved capacities, and the second bitmap used for indexing the second storage blocks is built; if yes, the second bitmap built for the first storage block which the dirty data belong to is determined, and the corresponding positions of the second storage blocks which the dirty data belong to in the second bitmap are provided with the dirty data identification. Through the method and device for processing the data, resources occupied by dirty data markers are saved.

Description

technical field [0001] The present application relates to the technical field of data processing, and more specifically relates to a data processing method and device. Background technique [0002] Dirty data refers to the data received directly without preprocessing, in the original state, or incomplete, noisy, inconsistent data, or not in the given range or meaningless for the actual business, or the format Illegal, and data with irregular coding and ambiguous business logic in the source system. For example, the data in the cache has not yet been written to the disk; in the copy operation, the system sends it to the source device, and the data that cannot be copied in the future. [0003] In order to realize the normal processing of data, it is necessary to mark the dirty data so that the dirty data can be quickly identified and processed. copied to the mirror device. [0004] The existing dirty data marking methods still take the dirty data in the copy operation as an...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/51
Inventor 李经纬
Owner 深圳市戮默科技有限公司
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