Now, let’s dive into more technical details. User applications add on average 1MB per instance, and too many running programs can contribute to high wired memory usage. The normal size of the wired memory is around 2GB. Wired memory on Mac is reserved for the macOS kernel and its data structures, and it cannot be paged out. The purpose of this article to clarify those details as much as possible.įirst, let’s answer the first question from the title of the post. While most responses were generally correct, I felt that all answers lacked some important details and as a result confused people even more. While reading thru some Apple forums, I found a question people asked a lot.
