Memory management method and device and related equipment

Abstract

The invention discloses a memory management method, which comprises the following steps of: logging in a shared memory according to a recovery instruction, and traversing each memory block in the shared memory; judging whether the marked timestamp of the memory block is 0 or not, wherein the marking timestamp is marked when the memory block is allocated for a calling program; if the marked timestamp is not 0, judging whether a difference value between the current timestamp and the marked timestamp exceeds a preset threshold value or not; if the difference value exceeds the preset threshold value, judging whether the memory block is a queue head memory block or not; if the memory block is not the queue head memory block, releasing the memory block. According to the memory management method, high-efficiency communication can be achieved, and meanwhile it is guaranteed that memory leakage does not occur when the process crashes. The invention furthermore discloses a memory management apparatus and device, and a computer readable storage medium, which all have the above beneficial effects.

Description

technical field [0001] The present application relates to the technical field of data storage, in particular to a memory management method, and also to a memory management device, device, and computer-readable storage medium. Background technique [0002] The lock-free queue based on shared memory is a widely used method for efficient communication between processes. Among them, the lock-free queue is generally a ring queue. When the ring queue is located on the shared memory, data can be shared between processes. , to achieve inter-process communication. [0003] For a lock-free queue based on shared memory, the memory usage of the producer is divided into the following steps: Step 1 is to allocate memory, and the producer monopolizes a section of memory from the shared memory; Step 2 is to use the memory and write the data that needs to be shared Enter the exclusive memory; Step 3 is to queue the memory, and put the memory into the queue. Among them, the enqueued memory ...

AI Technical Summary

Problems solved by technology

[0004] However, if the producer crashes during step 2, the consumer will not be able to release the occupied memory, resulting in a memory leak

In related technologies, data sharing can be realized through the inter-process communication mechanism provided by the operating system. When a process crashes, the operating system will be responsible for reclaiming memory. However, these communication mechanisms depend on specific operating system functions and are locked. Yes, and the lock queue will reduce the communication efficiency

Images