I'm using Mountain Lion, kernel_task and other background service are using an awful lot of my memory my memory.

I'm using Mountain Lion, kernel_task and other background service are using an awful lot of my memory my memory. I can't run any other programs without the beach ball I can hear the hard drive running like crazy in the background.I have 8GB of memory and everything has worked well until recently.
I am sort of new at posting let me know what other info I can provide
Thank you
Howard

I was noticing the same today. I have been running this on my Mac Pro circa early 2008. At the time I notice some sluggish I had three items using over 5 GB of real memory. kernal_task, iTunes, and Safari. I did a formal "quit" for iTunes & Safari which reduced the memory down (iTunes was 1.3GB and Safari was 2.0GB). Here is a screen capture of what is right now. The kernel_task is at 2.01GB.
At time of this screen capture my uptime has been:
up 4 days, 23:37, 2 users, load averages: 1.56 1.70 2.04
The specs of the Mac Pro is with a lot of hard drive space on the boot drive (50% free) which is mostly my main account user data. Applications files and other data is actually on a second drive which is also at 50%. Drive 3 & Drive 4 are RAID 0 used for Time Machine. RAM is 32GB as the picture denotes.
I have a MacBook Pro (circa 2011), iMac 27" i7 (circa 2009), and Mac Mini (circa 2010) which don't have any large kernal memory usage.
Thank you in advance...

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Here is a recent post I assembled for a similar question:
Unfortunately you got caught up in the minor miracle of Rosetta. Originally licensed by Apple when it migrated from the PowerPC CPU platform that it had used from the mid-1990's until the Intel CPU platform in 2006, Rosetta allowed Mac users to continue to use their library of PPC software transparently in emulation.
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[click on images to enlarge]
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http://forums.macrumors.com/showthread.php?t=1365439
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Crucial
Other World Computing
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I'm using Mountain Lion, kernel_task and other background service are using an awful lot of my memory my memory.

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