Programmer Group

1, Request This paper expounds the process from submission to execution of multiple jobs, and explains the concept, differences and relationship of three-level scheduling;The ideas, characteristics, advantages and disadvantages of FCFS, SJF/SPF, HRRN, RR and multi-level feedback queue scheduling algorithms are described;The algorithm realize ...

[purpose]      Write and debug a process scheduler in high-level language to deepen the understanding of process concept and process scheduling algorithm [experimental equipment and software] Experimental running environment: C language programming environment      Preparations before boarding include ...

1. Introduction of PV and PVC Volume provides a very good data persistence scheme, but there are still deficiencies in manageability. Take the previous example of AWS EBS. To use Volume, Pod must know the following information in advance: The current Volume is from AWS EBS. The EBS Volume has been created in advance and the exact volume ID ...

Experiment purpose and requirements Understand the file system composition and basic principle of the operating system, use these knowledge to simulate a FAT file system in memory, complete the file creation and indexing functions, and realize the following command interfaces:         (1) New file, format: ...

Experimental principle and content Critical area management based on mutual exclusion Using the editor gedit 2_1.c, create a new 2_1.c source file, create two threads to complete the ticket booking operation concurrently, and enter the following example code: #include <stdio.h> #include <pthread.h> #include <unistd.h> int ti ...

1, Experimental purpose By simulating several basic page replacement algorithms for request page storage management, understand the characteristics of virtual storage technology, master the basic ideas and implementation process of several basic page replacement algorithms in virtual storage request page storage management, and compare their e ...

Thread class and common methods Common construction methods of Thread: methodexplainThread( )Create thread objectThread(Runnable target)Creating thread objects using Runnable objectsThread(String name)Create a thread object and name itThread(Runnable target，String name)Use the Runnable object to create a thread object and name it give an ...

Experimental purpose Understand the data structure and allocation algorithm used in dynamic partition allocation, and further deepen the understanding of dynamic partition storage management and its implementation process. Experimental content (1) The dynamic partition allocation process alloc() and the recovery process free() using the ...

This article was originally published by RT thread forum user @ recan: https://club.rt-thread.org/as...1 problem scenarioI believe many people, like me, have just come into contact with RT thread and are on the way to learn RT thread. However, learning an embedded real-time operating system without a hardware development board, in my previous u ...

Double eleven is coming. Do you plan to buy a cloud server and build a website, such as a personal blog? This paper starts from scratch. The software is WordPress, which is relatively mature, and the operating system is CentOS 1. Environmental preparation Official website address: https://cn.wordpress.org PHP 7.4 or laterMySQL 5.6 or later, ...