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<blockquote data-quote="vansmith" data-source="post: 1351210" data-attributes="member: 71075">As far as I'm aware, that's not how it should work (not that I doubt your observations). Once RAM is made inactive, it is supposed to be reserved for that app unless you run out of free memory at which point OS X is supposed to start reallocating the inactive memory. It almost sounds as if the inactive RAM is protected.As per the <a href="http://support.apple.com/kb/ht1342" target="_blank">Apple KB article</a><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick out tongue&nbsp; &nbsp; :p" loading="lazy" data-shortname=":p" />erhaps OS X can reallocate inactive before it runs out of free (or that's what I'm reading here) but that doesn't address why it never seems to be reallocated. In fact, this description seems to imply that inactive RAM is reallocated more often than I thought. I'm a little puzzled.</blockquote>

[QUOTE="vansmith, post: 1351210, member: 71075"] As far as I'm aware, that's not how it should work (not that I doubt your observations). Once RAM is made inactive, it is supposed to be reserved for that app unless you run out of free memory at which point OS X is supposed to start reallocating the inactive memory. It almost sounds as if the inactive RAM is protected. As per the [URL="http://support.apple.com/kb/ht1342"]Apple KB article[/URL]:Perhaps OS X can reallocate inactive before it runs out of free (or that's what I'm reading here) but that doesn't address why it never seems to be reallocated. In fact, this description seems to imply that inactive RAM is reallocated more often than I thought. I'm a little puzzled. [/QUOTE]

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