Russ Trotter wrote:
Hi Greg, just to clarify, I had said that my *total* physical memory is
1GB. Free memory when eclipse "warms" up is around 40 MB with the other
things i have running (iTunes, safaris, one firefox window, thunderbird,
terminals, etc)
Sorry for my confusion. I was mixing up your config with Rick Genter's post:
<http://lists.apple.com/archives/java-dev/2006/Jan/msg00004.html>
is that 40mb free the smoking gun?
Can't tell. However, with a heap-max of 512MB, you may well be
over-committing your machine's memory, as Shawn Erickson pointed out. That
is, if you don't have 512MB to spare, you can induce swapping, which leads
to other problems. See the post I cited before:
<http://lists.apple.com/archives/java-dev/2005/Aug/msg00053.html>
However, since at least 2 other people have posted that they have huge
tracts of free memory yet they still get audio breakup, it doesn't seem
like swapping is the problem. Based on all the reports posted here, it's
impossible to infer or conclude anything about a probable cause. There
just isn't enough detail or measurements of what's happening in each
situation.
Also, I ran 'vm_stat 3' on a dual G4, 1GB machine this morning and moved
the mouse around a lot in Terminal (mouse-move, not mouse-drag). It showed
200-300 "page faults" all of which were "zero fill": no copy-on-writes, no
page outs, no page ins, no reactivates, etc. This was done with no
Eclipse, no Java, no iTunes, just Terminal and Finder. So just because
there are "page faults" doesn't necessarily tell you much.
-- GG
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