Transaction managing method for internal storage data bank

A transaction management and database technology, which is used in electrical digital data processing, special data processing applications, and redundant data error detection in operations. Integrity and real-time, complete real-time update, increase the effect of disaster tolerance

Inactive Publication Date: 2007-10-10
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, for applications with high real-time requirements, in order to improve the speed of transaction processing, users can only reduce the content and number of times of writing files as much as possible, or use physical media with higher read and write performance. The complexity of the application program will be increased by selecting the data to be saved, or the cost of the user will be increased by selecting a physical medium with higher performance

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  • Transaction managing method for internal storage data bank

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Embodiment Construction

[0020] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0021] The principle of the present invention is: set the save flag in the non-volatile storage medium, after the OMS background submits the data to the memory database, it will directly respond to the completion of the transaction submission, and then store the above-mentioned data from the memory database into the non-volatile storage medium. The save flag is used to record whether the save is successful. If the system fails, the save flag can be used to automatically save the disk again. This ensures that the entire process is completed within an acceptable time without being disrupted by system failures.

[0022] The storage flag setting operation in the transaction management method of the present invention may include the following steps:

[0023] Step 11, when the system is initially st...

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Abstract

An affairs managing method of internal memory databank includes providing data to internal memory databank by background of operation-maintenance subsystem, setting preset disc-storage mark in nonvolatile storage media to be unfinished mark, storing data in internal memory databank into said nonvolatile storage media and setting said disc-storage mark to be finished mark after process of storing data in internal memory databank to said nonvolatile storage media is finalized.

Description

technical field [0001] The invention relates to a management method of an in-memory database, in particular to a transaction management method for an in-memory database. Background technique [0002] With the widespread application of embedded software, a large amount of data to be saved in the software system appears, and the demand for in-memory databases has increased significantly. Transaction operations are one of the most essential operations of in-memory databases. Its purpose is to ensure that an operation can be performed completely. In order to ensure that the transaction operation can be committed permanently, the data modified by the in-memory database is usually saved on a non-volatile medium before responding to the completion of the transaction commit. However, in an embedded system, the I / O operation time requirement is relatively long compared with the embedded time requirement, especially when cost is considered, a physical medium with a relatively low I / O ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F11/14
Inventor 孙号令
Owner ZTE CORP
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