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Multi-process data migration method based on Hash algorithm

A hash algorithm and multi-process technology, applied in the field of database data migration, can solve problems such as low efficiency and long time consumption, and achieve the effect of improving migration efficiency and ensuring data integrity

Inactive Publication Date: 2017-04-19
湖北省农村信用社联合社网络信息中心
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve one of the technical problems existing in the prior art. To this end, an object of the present invention is to provide a multi-process data migration method based on a hash algorithm, which can effectively load a large amount of data with high efficiency. Low, time-consuming and other issues

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  • Multi-process data migration method based on Hash algorithm

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Embodiment Construction

[0024] Embodiments of the present invention are described in detail below. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0025] The multi-process data migration method based on the hash algorithm includes the following steps:

[0026] S1. Determine the hash value;

[0027] S2. According to the hash value, the migration data is grouped by a hash algorithm;

[0028] S3. Complete multi-process data migration.

[0029] In the hash algorithm-based multi-process data migration method of the present invention, the step S1 includes:

[0030] By extracting certain check digits in the customer number (the check digit calculation method is bank confidential information), and by increasing certain weighted digits and estimating the number of distribution processes, the hash value is extracted according to the hash algorithm, and the hash Values ​​can b...

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Abstract

The invention discloses a multi-process data migration method based on the Hash algorithm; the method comprises the following steps: S1, determining a Hash value; S2, using the Hash algorithm to group the migration data according to the Hash value; S3, finishing the multi-process data migration. The migration method can effectively solve the low efficiency and long time consuming problems when mass data are downloaded.

Description

technical field [0001] The invention belongs to the technical field of database data migration, and in particular relates to a hash algorithm-based multi-process data migration. Background technique [0002] Data migration refers to the operation of migrating data from the original storage device to the specified storage device according to the specified policy. The traditional data migration method generally adopts the "DB loading" method, which is mainly manifested as IMPORT, LOAD and other methods. This implementation is based on the database's own technology, but it cannot load data in parallel due to the limitation of the number of processes. [0003] Among them, the use of the IMPORT method is to perform the import action based on the medium exported by EXPORT. Due to the huge storage space required for exporting the medium, it is necessary to frequently move the storage space during the implementation period, wasting a lot of time. Moreover, when inserting massive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/563
Inventor 付毅夏永雷智桂侃李磊王荣聪汪源陈广涛杨欣徐汉东杨建设
Owner 湖北省农村信用社联合社网络信息中心