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Distributed transaction processing method on cloud computing platform

A cloud computing platform and distributed transaction technology, which is applied in the field of distributed transaction processing, can solve problems such as insufficient consideration and the inability of the submission protocol to solve blocking problems, and achieve the effects of reducing size, reducing overhead, and maintaining consistency

Inactive Publication Date: 2012-12-19
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] 2. The two-phase commit protocol cannot solve a blocking problem
The existing technology does not fully consider the efficient management of distributed transactions when various abnormalities or failures occur under the cloud computing platform

Method used

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  • Distributed transaction processing method on cloud computing platform
  • Distributed transaction processing method on cloud computing platform
  • Distributed transaction processing method on cloud computing platform

Examples

Experimental program
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Embodiment Construction

[0039] The distributed transaction processing method on the cloud computing platform of the present invention comprises the following steps:

[0040] 1. Start the basic services of the cloud computing platform in the data storage cluster to store data and provide distributed coordination services, start transaction processing service routines on each node of the data management cluster to manage transactions initiated by users ask.

[0041] The basic services include key-value based NoSQL data storage, such as Hadoop's distributed file system HDFS and distributed database HBase, or other similar services such as Cassandra, and distributed coordination servers, such as Zookeeper. The service routine of transaction processing includes: a local transaction manager (TransactionManager) started on each data management cluster node; a data access operation interface, a lock table and a transaction log table operation interface started on each node; a certain node The global transac...

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Abstract

The invention discloses a distributed transaction processing method on a cloud computing platform. The method comprises the following steps that: at first, start base services in a data storage cluster of the cloud computing platform, and start transaction processing services on a node of a data management cluster; connect a client end to a data management service node by a RPC (Remote Procedure Call Protocol), request a new transaction, and a local transaction manager receives a request to instantiate a transaction object and assign a transaction identifier for sending to the client end; the client end issues a data operation request of the transaction, and the local transaction manager sends the request to a corresponding transaction object for processing according to the transaction identifier owned by the client end; the client end issues a transaction submitting command, and the local manager is responsible for submitting the transaction. The distributed transaction processing method is applied to the cloud computing platform, so that size of transaction logs and log operation times are reduced by caching and combining transaction logs; and moreover, a master lock and lease management solve a blocking problem; a strategy processing failure condition is recovered to maintain data consistency.

Description

technical field [0001] The invention relates to a distributed transaction processing method, in particular to a distributed transaction processing method on a cloud computing platform. Background technique [0002] The cloud computing platform in a broad sense is a distributed system that builds on massive data cloud storage, conducts comprehensive data management such as modeling, analysis, storage and calculation of data, and provides cloud services to the outside world. The entire system can be logically divided into a data storage layer and a data management layer, and distributed transaction processing belongs to the scope of the data management layer. Compared with the traditional relational database, the mass data storage layer under the cloud computing platform generally adopts NoSQL data warehouse, which has the characteristics of fault tolerance, high availability and high scalability, such as Google's BigTable, Yahoo! PNUTS and Cassandra used by Facebook and Twit...

Claims

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Application Information

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IPC IPC(8): G06F17/30H04L29/08
Inventor 鲁伟明王耀光
Owner ZHEJIANG UNIV
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