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Data reflecting method

A data and database technology, applied in the direction of electronic digital data processing, digital data information retrieval, special data processing applications, etc., can solve the problems of no consideration of forwarding, no establishment of efficient processing time, etc., and achieve the effect of reflecting high efficiency

Inactive Publication Date: 2014-10-15
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here, in the conventional data transfer technology, when data is stored in the transfer destination system, data storage processing is performed in parallel, and there is no established means for improving the processing time required for storage.
Especially in Patent Document 1, although the resource allocation is considered, the forwarding at this time is not considered

Method used

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Examples

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Embodiment Construction

[0017] Hereinafter, an embodiment of the present invention will be described by taking financial business as an example. In this embodiment, from the viewpoint of disaster recovery (disaster countermeasures), data backup, and data aggregation from multiple systems to one database, software vendors have conventionally provided products that realize data replication (replication) . These products are used especially when replicating data between data centers.

[0018] In the prior art, when duplicating data, the data (update information) created by the forwarding source data center is sequentially forwarded to the forwarding destination data center in the order in which the data was created. In addition, when the forwarded data is persisted (stored in a database, etc.) in the forwarding destination data center, the forwarded data is persisted one by one in the order of forwarding. In this method, even if a large amount of data is transferred to the transfer destination data ce...

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Abstract

The present invention provides a data reflecting method for reflecting data of a transfer source system to a transfer destination system, which includes applying a parallel key indicative of the ordering of respective elements constituting the data targeted for reflection to the elements in the transfer source system, transferring the data from the transfer source system to the transfer destination system, and parallelizing the elements in accordance with the parallel key in the transfer destination system and reflecting the same to a database in the transfer destination system. More specifically, the present invention assures ordering of elements constituting unit data like one transaction using a parallel key indicative of their ordering and executes parallelized reflection processing. This parallel key means that a column name that satisfies predetermined conditions is given the same parallel key, in accordance with which its control is performed. As the predetermined conditions, the determination on whether the column names or the like are the same controls the reflection processing.

Description

technical field [0001] The present invention relates to a technique for reflecting transmitted data to a database. In particular, it relates to a technology for reflecting data to a database managed as a backup in case of disasters. Background technique [0002] Currently, data is managed after being made redundant. For example, in order to continue business during a disaster, a company formulates a business continuation plan. In order to continue the business in the event of a disaster, there are cases where the data normally used in business is stored in another place, and the business is continued by using the stored data in the event of a disaster. plan. By using the data forwarding technology, it is possible to save the data of the system in daily use to other places. [0003] Patent Document 1 discloses a technique for reducing the maintenance cost of a backup system dedicated to a disaster. Therefore, the backup system of Patent Document 1 includes: a database for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F11/14
CPCG06F17/30091G06F17/30174G06F11/1448G06F11/2064G06F11/2074G06F16/178G06F16/13
Inventor 深川裕介
Owner HITACHI LTD
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