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Write lock method of distributed file system and a system thereof

A distributed file and file technology, applied in transmission systems, electrical components, special data processing applications, etc., to achieve the effect of reducing load and improving throughput

Active Publication Date: 2011-06-08
NANJING ZHONGXING XIN SOFTWARE CO LTD
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  • Abstract
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Problems solved by technology

Therefore, the single lock server becomes the bottleneck for huge cloud writes

Method used

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  • Write lock method of distributed file system and a system thereof
  • Write lock method of distributed file system and a system thereof
  • Write lock method of distributed file system and a system thereof

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Embodiment Construction

[0029] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0030] At present, in order to solve the bottleneck problem of giant cloud writing caused by a single locking server, such as figure 1 As shown, the present invention provides a write lock method and system of a distributed file system, the main concept of which is: in the lower layer of the distributed file system, multiple distributed lock servers are used to jointly lock the data stored in the distributed file system data. Compared with the traditional single locking server, the present invention distributes the locking authority of the data stored in the distributed file system to be locked among multiple different file system data servers in the lower layer. Specifically, the file system data server mainly includes a lower-level lock server and a lower-level data block server, wherein the lower-level data block server is mai...

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Abstract

The present invention discloses a write lock method of distributed file system and a system thereof, wherein the method comprises the following steps: when an upper-layer data-location register server receives a request for opening a file sent from a file request client, the upper-layer data-location register server extracts the data block path information of the file and returns the same to the file request client; a lower-layer lock server returns the write lock authority information of the specific data portion of the specific data block to the file request client according to a lock request of the specific data portion of the specific data block in the file, wherein the lock request is sent from the file request client. The write lock method of distributed file system and a system thereof provided the present invention not only can improve throughput of a distributed file system lock write submission without any increase in hardware investment, but also can carry out synchronous capacity expansion with the capacity expansion of the distributed file system and possess an excellent expandability.

Description

technical field [0001] The present invention relates to the field of data storage, in particular to a write locking method and system for a distributed file system. Background technique [0002] On a large-scale distributed file system, in order to achieve massive concurrency while ensuring the consistency of file system data, it is usually to choose a unified locking node to perform centralized locking management on the data stored in the distributed file system. The locking node may be a single server or a cluster. For the convenience of expression, the locking node (locking server or cluster) will be referred to as the locking server for short below. However, with the rapid development of the multimedia industry, due to cost, reliability and other considerations, for large-scale distributed file systems, more and more manufacturers or enterprises use the cloud to store them. Cloud storage refers to a system that integrates a large number of different types of storage dev...

Claims

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Application Information

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IPC IPC(8): G06F17/30H04L29/08
CPCG06F17/30171G06F16/1774
Inventor 朱鹏江凌生王瑜
Owner NANJING ZHONGXING XIN SOFTWARE CO LTD
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