Improve Your Disk Performance
Regardless of your drive’s raw speed, if lots of processes are trying to read/write at the same time, that’s going to dent your Mac’s overall performance—even with a fast CPU and lots of RAM. (The problem is much less severe, but not entirely absent, with SSDs.) In this chapter, I talk about what some of those disk-intensive activities are and how to minimize their impact. In addition, since your Mac can run slow if its startup disk becomes critically low on space, I explore numerous ways to address that problem. And I discuss a few other ways (of varying degrees of utility) to increase a disk’s performance.
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