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Method for storing and indexing mass historical data

A technology of historical data and indexing, which is applied in the fields of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems that are not completely suitable for historical data storage requirements and implement data storage solutions.

Inactive Publication Date: 2013-08-14
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this type of database does not have a data storage solution for the characteristics of historical data, so this type of database is not fully suitable for the storage requirements of historical data
[0005] To sum up, in the face of massive historical data, there is currently no complete and available implementation solution that can not only meet the current data storage requirements, but also ensure that the system has dynamic scalability to meet the continuously growing demand for data storage and processing

Method used

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  • Method for storing and indexing mass historical data
  • Method for storing and indexing mass historical data
  • Method for storing and indexing mass historical data

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] In order to solve the problem of storing massive historical data, the embodiment of the present invention provides a simple and efficient storage method for massive historical data files and an efficient distributed indexing mechanism. This storage method can guarantee to meet the storage requirements of the current massive historical data files, and also guarantees the feature of online expansion. The index mechanism proposed by the embodiment of the present invention can realize fast access to massive historical data, and at the same time, after the system expands resources, that is, when the underlying physical storage changes, the index can still realize the search function for data without modification .

[0029] The data storage method proposed in t...

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Abstract

The invention discloses a method for storing and indexing mass historical data, which belongs to the field of a real-time historical database. By the method according to the characteristic that the partitioning storage of big files is carried out by a distributed type file system, a simple high-efficiency method for storing mass historical data files and a high-efficiency distributed type indexing mechanism are provided. According to the storing method, the condition of meeting the requirement of storage of the current mass historical data files can be ensured, and the characteristic of on-line expansion is further ensured; the quick access of the mass historical data can be realized by the indexing mechanism; and meanwhile, after the resource expansion of the system is carried out, i.e. when the change of the physical storage of a bottom layer occurs, the searching function of the data still can be realized by an index under the condition of no need for modification.

Description

technical field [0001] The invention relates to the field of real-time historical databases, in particular to a method for storing massive historical data and establishing index files for the real-time historical database. Background technique [0002] Real-time historical databases are widely used in the field of industrial control, and the industries involved include electric power, petroleum, metallurgy, and chemical industry. The real-time historical database uses measuring point as the basic unit to describe the production data. A measuring point in a database corresponds to a physical data source in the real world, such as the voltage of a certain transmission line, the temperature of a certain detection point, etc. The data stored in the measuring point is a discrete quantity, and the stored data has a time stamp. The production process data collected from the site (such as the current and voltage of different parts of a certain equipment, the water level and temper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 王非黄本雄王章
Owner HUAZHONG UNIV OF SCI & TECH
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