Hanging programs, high Finder CPU usage

Since early October 2012, programs such as Firefox, Thunderbird and TextEdit have been repeatedly hanging (Not Responding) for a few minutes at a time. Also, Finder CPU usage sometimes surges to 80% even 100% (via Activity Monitor), but not necessarily at the same time. Wondering if these are related. Running OS 10.6.8 (with latest updates) on early 2008 3.06 GHz Core 2 Duo.
Is anyone else having these problems? Any suggestions?
Thanks!

Hi JB,
See if the Disk is issuing any S.M.A.R.T errors in Disk Utility...
http://support.apple.com/kb/PH7029
Open Activity Monitor in Applications>Utilities, select All Processes & sort on CPU%, any indications there?
How much RAM & free space do you have also, click on the Memory & Disk Usage Tabs.
Open Console in Utilities & see if there are any clues or repeating messages when this happens.
In the Memory tab, are there a lot of Pageouts?
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts>Login Items window to see if it or something relevant is listed.
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Also look in these if they exist, some are invisible...
/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
/Library/LaunchDaemons

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how to troubleshooting high sys cpu usage ???

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before tuning:
SQL ordered by Gets
•     Resources reported for PL/SQL code includes the resources used by all SQL statements called by the code.
•     Total Buffer Gets: 4,348,081
•     Captured SQL account for 73.3% of Total
Buffer Gets      Executions      Gets per Exec      %Total     CPU Time (s)     Elapsed Time (s)     SQL Id     SQL Module     SQL Text
1,768,970     2,593     682.21     40.68     32.47     1375.28     a2vm9mf99ma3p
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712,504     2,883     247.14     16.39     13.14     83.85     66vrg3gz2stvf
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130,928     7,901     16.57     3.01     7.83     10.49     ctnn0bpfd3v5k
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92,800     2,902     31.98     2.13     2.73     6.40     2985xzq8x547u
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81,498     27,159     3.00     1.87     3.12     3.98     1prkhshjp25sc
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60,513     2,631     23.00     1.39     2.29     5.64     2d8w9016z0kug
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55,416     15,835     3.50     1.27     2.12     2.39     8tk22zsappg9m
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44,879     15,838     2.83     1.03     1.74     1.89     c6sjzyfh9jmz0
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31,677     10,558     3.00     0.73     1.15     1.24     5yr7z98xmcpqz
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26,346     13,172     2.00     0.61     1.31     1.47     36shs0f8kxp5z
     select after tuning:
SQL ordered by Gets
•     Resources reported for PL/SQL code includes the resources used by all SQL statements called by the code.
•     Total Buffer Gets: 7,734,429
•     Captured SQL account for 99.4% of Total
Buffer Gets      Executions      Gets per Exec      %Total     CPU Time (s)     Elapsed Time (s)     SQL Id     SQL Module     SQL Text
1,728,723     99,759     17.33     22.35     113.87     119.45     309a6ak09rud2
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531,776     33,241     16.00     6.88     34.38     36.36     2985xzq8x547u
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199,428     33,241     6.00     2.58     9.15     9.56     2d8w9016z0kug
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99,756     33,255     3.00     1.29     3.77     3.92     5yr7z98xmcpqz
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High system CPU usage only recoverable by rebooting

Hi,
I'm having this problem since I started using my new iMac 27'. Before that I was using the same version of OSX (10.6.1) in the MacbookPro without this issue.
So it's being hard to reproduce the problem, but suddenly there is a spike in CPU usage from System Processes (on average 40-50% if "% System" in the Activity Monitor), but strangely when I choose to show only system processes, there's no process that is actually using that amount of CPU. And the system gets REALLY slow.
While trying to reproduce the problem, I rebooted and started iTunes. And it happened. Even after closing iTunes the high "ghost" CPU usage gets really high and never recovers unless I reboot.
Is anyone else having similar issues?

inaciog wrote:
So it's being hard to reproduce the problem, but suddenly there is a spike in CPU usage from System Processes (on average 40-50% if "% System" in the Activity Monitor), but strangely when I choose to show only system processes, there's no process that is actually using that amount of CPU.
Hi, and welcome to the forums.
Don't limit it to System Processes. There's often too much interaction between user and system processes. Choose either +All Processes+ or +Active Processes.+
You probably want to select +View > Update Frequency > Less Often+ from the menubar, too, both so you can read the screen and so Activity Monitor itself won't take up too much CPU. Then sort the list by the +% CPU+ column so the largest numbers are on top.
Watch it for a while. Many processes will "spike" up and down normally, as they do something, then go idle.
And the system gets REALLY slow.
That's when you need to see what the top one or two processes are.
If you see +Process Names+ you don't recognize, post them here or consult http://triviaware.com/macprocess/all

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Hi,
May I know what factors will effect the webservd process? I observed that cpu usage for webservd are very high-97%
root prstat
PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP
16294 root 3695M 3643M cpu12 1 0 9220:35:0 97% webservd/870
937 root 38M 33M run 11 0 4308:42:4 2.3% se.sparcv9/1
4522 mailsrv 163M 93M sleep 49 0 1:10:48 0.4% mshttpd/10
5329 root 4880K 4872K cpu7 49 0 0:00:00 0.0% prstat/1
184 root 8352K 7432K sleep 59 0 2:53:01 0.0% nscd/51
May I know is there any reason will cause this?
FYI,
root ./imsimta version
Sun Java(tm) System Messaging Server 6.2-8.04 (built Feb 28 2007)
libimta.so 6.2-8.04 (built 19:28:07, Feb 28 2007)
SunOS webmail4.tm.net.my 5.10 Generic_118833-24 sun4v sparc SUNW,Sun-Fire-T200
root
Thanks

Hi,
As Jay already said, you can try the latest UWC patches (since you didn't tell us what you are currently running its hard to say if this will help) and if that doesn't work then get Sun PS to help you out (performance tuning is outside the support contract scope).
Performance tuning of your system is way beyond this forum. Given that this appears to be system 4 though (based on the the hostname) I would say that is this system is the only one with the problem there must be something different in either the load on the system, configuration of the system etc. that would explain the difference.
It's up to you to find out what the difference is.
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Shane.

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Hi,
As Jay already said, you can try the latest UWC patches (since you didn't tell us what you are currently running its hard to say if this will help) and if that doesn't work then get Sun PS to help you out (performance tuning is outside the support contract scope).
Performance tuning of your system is way beyond this forum. Given that this appears to be system 4 though (based on the the hostname) I would say that is this system is the only one with the problem there must be something different in either the load on the system, configuration of the system etc. that would explain the difference.
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Shane.

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class Empty implements Runnable {
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Hanging programs, high Finder CPU usage

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