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Is launchd a RAM addict?

Mac OS X 10.4.11:

I have a process that is launched by launchd. It's set as RunAtLoad = true

I have almost exactly the same version of this process launched by a StartupItem (the differences are in strings where a figure is replaced by another).

According to Activity Monitor:

- The process launched by launchd takes 4 MB of Real Memory

- The process launched by launchd takes 1.3 MB of Real Memory

If I kill the process launched by launchd, it's automatically restarted and it takes 1.3 MB of Real Memory.

Of course since even startup items are launched via launchd - but later - it makes me wonder why a delayed launch claims less memory than an early one.


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