Data read-write priority balancing method, system and device and storage medium

Abstract

The invention discloses a data read-write priority balancing method, system and device and a storage medium. The method comprises the steps of: locking a data read-write request through a mutual exclusion lock; judging a read-write priority type mark of the current data according to a reference counter of the current data, wherein the read-write priority type mark comprises no read-write priority,read priority and write priority; judging read-write lock occupation conditions according to reference counters of variables corresponding to the read-write priority type marks, wherein the read-write lock occupation conditions include read lock occupation, write lock exclusive occupation and no lock occupation; obtaining a read-write priority type mark of the data according to the read-write lock occupation condition and the read-write lock maximum allowable number counter residual value; and unlocking the read-write operation of the request data through the mutual exclusion lock. Accordingto the method, the concurrency performance of data reading operation is improved, the system can run stably for a long time, the data high concurrency access performance is excellent, and a good economic effect is achieved in server software product application.

Description

technical field [0001] The invention belongs to the technical field of data reading and writing methods in server application scenarios, and in particular relates to a data reading and writing priority balancing method, system, device and storage medium. Background technique [0002] When multi-threaded security access protection is performed on a resource that allows multiple threads to read concurrently but only allows one thread to exclusively write, a read-write lock is generally used to improve the concurrent performance of reading. However, no matter which implementation technology is used for read-write locks that are widely used at present, these read-write locks can be divided into read-priority read-write locks and write-priority read-write locks according to their read-write priorities. When the resource to be protected has a relatively large amount of read concurrency, it is suitable to use a write-priority lock, and when the protected resource has a relatively l...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of reduced concurrent read operation performance of the system in the prior art, the present invention provides a data read and write priority balance method, system, device, and stor

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