Data migration system and method
A technology for migrating systems and data, applied in transmission systems, electrical digital data processing, special data processing applications, etc., can solve problems affecting user services and affecting the normal operation of related businesses.
Inactive Publication Date: 2017-05-31
BEIJING QIHOO TECH CO LTD +1
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Problems solved by technology
Since all write services of the business need to be stopped during the switching process, and when the amount of data is large, the process of downtime backup migration may take several hours, so during the period of downtime backup migration will greatly affect the related business Normal operation, affecting the provision of normal services to users
Similarly, similar problems also exist in the application environment of other non-mongodb data server clusters
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[0021] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0022] see figure 1 , which is a schematic diagram of a first system for data migration between data server clusters according to an embodiment of the present invention. The system includes a migration device 100 for data migration between data server clusters, a first data server cluster 200 and a second data server cluster 300 . The migration device 100 includes an initial data import module 102 , a synchronization module 104 an...
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The invention discloses a system and a method of data migration, and is used for carrying out data migration between data server clusters, and the data are target data relative to business needing to be migrated. The method comprises the procedures of importing the target data which are stored in the a first data server cluster and are stored on a first time point and before the first time point into second data server cluster; obtaining the operation log related to the target data which are written in the first data server cluster after the first time point; updating the target data in the second data server cluster according to the obtained operation log; checking whether the target data in the first data server cluster and the second data server cluster are synchronized; and changing an entry address connecting with a server from the entry address of the first data server cluster into the entry address of the second data server cluster after the synchronization of the target data in the first data server cluster and the second data server cluster.
Description
technical field [0001] The present invention relates to the technical field of data storage, in particular to a data migration system and method. Background technique [0002] MongoDB (Data Base, database) is a product between relational databases and non-relational databases. It is the most functional among non-relational databases and most similar to relational databases. The data structure it supports is very loose, so it can store more complex data types. Because MongoDB itself has better performance, developers will deploy multiple small businesses on a small Mongodb cluster consisting of a small number of servers in the early stages of business development. When the business gradually develops, the number of visits increases. For example, the number of visits of one or several original businesses increases rapidly, forming a large-scale business, which leads to the fact that a small cluster composed of a small number of servers can no longer meet business needs. At t...
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IPC IPC(8): G06F17/30G06F11/14H04L29/08
Inventor 桂勇哲陈超代兵朱超王超
Owner BEIJING QIHOO TECH CO LTD