Data write-in method for distributed storage system and distributed storage system

A distributed storage and system data technology, applied in the input/output process of data processing, electrical digital data processing, input/output to record carrier, etc., can solve the situation that large files and small IO cannot be solved well, block Storage problems such as the inapplicability of the iSCSI protocol can alleviate network congestion, reduce network interaction and time-consuming processes, and improve performance

Active Publication Date: 2017-10-03
SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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Problems solved by technology

Moreover, this technology only performs IO merge optimization for shared storage protocols in the form of file systems, such as NFS and CIFS, but

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  • Data write-in method for distributed storage system and distributed storage system
  • Data write-in method for distributed storage system and distributed storage system
  • Data write-in method for distributed storage system and distributed storage system

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] The present invention provides a method for writing data in a distributed storage system, such as figure 1 shown, including the following steps:

[0040] S101, the client continuously sends request instructions to the protocol layer;

[0041] S102. The protocol layer combines the write IO requests in the received request instructions, and sends them to the storage resource layer;

[0042] S103. The storage resource layer processes the merged write IO ...

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Abstract

The invention discloses a data write-in method for a distributed storage system and the distributed storage system. The data write-in method for a distributed storage system comprises the steps that a client continuously sends request commands to a protocol layer, and the protocol layer merges the write IO requests in the received request commands, and sends the merged write IO requests to a storage resource layer; the storage resource layer processes the merged write IO requests, and issues the processed write IO requests to a physical disk. According to the data write-in method for a distributed storage system and the distributed storage system, the protocol layer merges the write IO requests in the received request commands, not for a particular single protocol, and only one operation is executed in the bottom layer process of the distributed storage system to complete a batch of operations issued by the client to the protocol layer; therefore, network interaction and time consumption of processes when write-in operations are frequent are effectively reduced, and meanwhile the merging operation is beneficial to relieving network congestion and reducing occupation of CPU resources, so that the performance of the whole distributed storage system is effectively improved.

Description

technical field [0001] The invention relates to the field of data storage, in particular to a method for writing data into a distributed storage system and a distributed storage system. Background technique [0002] Existing distributed storage systems can usually provide customers with storage services of various protocols, such as Network File System (NFS for short), Common Internet File System (CIFS for short), Small Computer System Interface ( Internet Small Computer System Interface, referred to as iSCSI), object storage, etc. Performance optimization for a certain protocol can improve system performance in this protocol scenario. In order to comprehensively improve the performance of distributed storage systems under different protocols, the optimization of the underlying IO process is particularly important and more practical. [0003] When the client sends frequent small IO write operations to the protocol layer, the protocol layer interacts frequently with the sto...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0613G06F3/0659G06F3/067
Inventor 冯龙王利朋
Owner SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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