ionice

Q: What is ionice and why is it important? A: ionice is a command in Linux that allows the user to set the I/O scheduling priority of a program. I/O, or Input/Output operations, involve data transfer between the computer’s persistent storage (like HDDs or SSDs) and RAM. In scenarios where multiple applications are competing for disk access, controlling the priority of these operations can significantly influence the performance of the tasks being executed. Q: How does ionice work, and how can you use it? A: The ionice command works by assigning an I/O class and priority to a process. This determines how the process will be treated by the kernel with respect to disk I/O.