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Method, device and distributed cluster file system for data backup

A distributed cluster and file system technology, applied in the computer field, can solve the problems of no Cassandra cluster data backup scheme and Cassandra cluster lack of automatic database backup mechanism, etc., and achieve the effect of improving security.

Active Publication Date: 2017-06-09
BEIJING QIHOO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, compared with traditional databases such as the existing MYSQL (relational database management system), the Cassandra cluster lacks an automatic database backup mechanism. There is no backup solution for the entire Cassandra cluster data

Method used

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  • Method, device and distributed cluster file system for data backup
  • Method, device and distributed cluster file system for data backup
  • Method, device and distributed cluster file system for data backup

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Embodiment Construction

[0036] 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.

[0037] see figure 1 , which schematically shows a flowchart of a data backup method 100 according to an embodiment of the present invention, the method 100 is used in a distributed cluster file system, wherein the distributed cluster file system includes at least: a first cluster and a second cluster . Such as figure 2As shown, it is a schematic structural diagram of the cluster in the distributed cluster file system in the embo...

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Abstract

The embodiment of the invention discloses a method and equipment for data backup, and a distributed cluster file system, wherein the method comprises the steps of scanning the file range in the charge of a node in a backup transfer table by a background backup thread of each node in a first cluster; for a scanned written-in file, writing the written-in file into a second cluster by the background backup thread of the node in the first cluster. The files can be automatically backed up into other clusters by the embodiment of the invention, and the safety of the backup files is improved.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a data backup method, device and distributed cluster file system. Background technique [0002] Cassandra is a hybrid non-relational database. The main feature of Cassandra is that it is not a database, but a distributed network service composed of a bunch of database nodes. A write operation to Cassandra will be copied to other nodes. Going up, the read operation on Cassandra will also be routed to a node for reading. For a Cassandra cluster, scaling performance is relatively simple, just add nodes to the cluster. [0003] However, compared with traditional databases such as the existing MYSQL (relational database management system), the Cassandra cluster lacks an automatic database backup mechanism. There is no backup solution for the entire Cassandra cluster data. Completely backing up data in one cluster to another cluster will obviously greatly improve data security and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06F11/14H04L29/08
CPCG06F11/1448G06F16/1844H04L67/1097
Inventor 张建伟唐会军
Owner BEIJING QIHOO TECH CO LTD
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