AFP-High CPU Load-Not Using Home Directories-10.5.6

We recently rolled out a Leopard File server (AFP, SMB services only) this past Monday using 10.5.6. We have about 30 AFP and 15 SMB users. We have 5 Apple XRAIDS connected through a Sanbox 5200 switch to the Leopard server. We are not using home folders for the users.
Similar to some users in this article (http://discussions.apple.com/thread.jspa?threadID=1685965&tstart=0), I have noticed an increase to 100% CPU usage in just a few hours, and the second day 200%. Although the server does keep allowing new logons, performance is being affected. As noted by others, manually disconnecting all active or sleeping connections does not lower the CPU usage.
I though that following the suggestions in this article (http://support.apple.com/kb/HT1765) about disabling Allow Host Cache Flushing in the XRAID performance tab would help, and it did, but just for a short while, and then at about noon, when the XRAID had been accessed for about 6 hours, and the 20th AFP user logged in, the CPU usage spiked back to 100%.
I am wondering if this is related to the number of AFP connections (more than 20), or if I have some client machine causing havoc when it logs in.
Here's my XRAID configs:
Use Controller Write Cache
Not Allow Host Cache Flushing
Use Drive Write Cache
Read Prefetch: 8 stripes (512 KB/disk)
Fiber Channel:
Speed: Automatic
Topology: Automatic
Firmware: 1.5.1/1.51c
At this point, I really am stumped as to why the AFP service won't let go of the CPU, even when users are kicked off. I haven't added any of my XRAID shares to the private portion of Spotlight, but the volumes have already been indexed long ago, and since then I've rebooted several times, and not many new files are getting created any way.
At any rate, I don't think this issue has anything to do with Home Directory sharing, as I'm not using them.

I'll also mention that most (95%) of our clients are still using Tiger 10.4.11. We have very few Leopard clients (10.5.5 & 10.5.6).

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Dear Adobe,
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Hi there,
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HELP! Computer shutting down while loading FL studio Plugins! High CPU load?!

Good day everyone. I am in dire need of some help concerning my Hp Pavilion p6-2330 . I am a producier and I use a programmed called FL studio.
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High CPU load

We use vSphere 5.5 with latest updates, Web Client and the VMware Remote Console 7.0.1. But we have problems on our Citrix Terminalserver (Windows 2012 R2): When we close a Remote Console, the prozess "vmrc.exe" didn´t disappear and causes a high CPU load (one complete core). This happens when we use the IE, Chrome or Firefox.
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High CPU load kills ethernet connection

Short spikes in CPU load (MenuMeters installed) are constantly killing my internet connection.
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Hi Fred, and a warm welcome to the forums!
What Firmware cersion is it?
http://www.dslreports.com/forum/remark,5221851
Mac Modem problems with Broadcom Chipset...
All Linksys Cable Modems
All Motorola Cable Modems except for the SB5120
All Scientific Atlanta Cable Modems
http://discussions.apple.com/thread.jspa?messageID=2985422&#2985422
t seems that the problem is caused by the CPU load in general, not by any particular application which causes the high workload.
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VI causes high CPU load after several days of running

Hello,
I have a strange problem. I have craeted a test bench control VI and it runs on five PCs, controling five test benches. All PCs have almost the same hardware, same motherboard, same CPU, etc.
Normaly the CPU load is around 50% when I run the VI, but at one PC the CPU load climbs up to 85% after several days (maybe one week) of continuous running and the PC is almost tied up - the VI execution becomes very slow (10 times slower) and the mouse only moves very slowly.
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I don't even have to terminate LabVIEW - only my VI and then everything is okay again.
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Is there a way to analyze what causes the high CPU load?
I Use LabVIEW 7.1 professional
Operating System: Win XP (SP 2 or 3 I don't remember)
P.S. I have no loops without wait-functions.
Greetings Johannes
Using LabVIEW 7.1 and 2009 recently
Solved!
Go to Solution.

Do all PCs have the same amount of RAM?
What is the memory use over time as seen by the windows taks manager. Does it increase gradually?
An increase in resource usage if often cause by sloppy programming.
Do you grow arrays forever or constantly resize arrays in memory? (built array, insert into array, delete from array)
Do you often create new references and never close them?
What does the program actually do? In my opinion, a constant 50% CPU load seems too high for my taste. It means it would not even be able to keep up on slightly older hardware.
LabVIEW Champion . Do more with less code and in less time .

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Hello,
A few weeks ago I updated to OSX 10.9. After working a few days with it, I run into several high CPU load issues.
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Now I use Chrome instead of Safari which solves 50% of my problem, but it is not so easy to change to another mail-client...
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Best regards,
Johan

jvdstoel,
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Turning off HW acceleration in Firefox settings.

Same issue here. I'm going to downgrade as well, as it's making watching embedded videos very frustrating.

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Firefox periodically causes very high CPU load, which makes it impossible to use.
http://img805.imageshack.us/img805/702/firefox18.png
The problem does not occur immediately after restart, but you can already see the spikes of CPU load in the taskmanager with a peak of ~4%. After a couple of minutes this will go up to almost 50% utilizing a whole core and causing the hangs.

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Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
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Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
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High CPU load on 2811

Hi,
We have a 2811 router and we are facing high CPU load but show proc cpu does not show processes with high CPU utilisation.
RT#show proc cpu sorted | exclude 0.00%
CPU utilization for five seconds: 99%/94%; one minute: 99%; five minutes: 98%
PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
95     2157484   1814314       1189 3.29% 4.76% 4.68%   0 IP Input
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102        4548       395      11513 0.09% 0.11% 0.03% 514 SSH Process
42       12480    220592         56 0.09% 0.03% 0.02%   0 Per-Second Jobs
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The extremly high load started mondat morning and continues this morning. During the weekend it was fine. Earlier we would have situations when the CPU would spike but it would soon be down to normal values.
From what I read the above output means that the CPU load is caused by interrupts. What is the best way to troubleshoot this?
Regards.

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Posting
Sorry I wasn't clear, but when I was asking about "not a lot of traffic", I was wondering about actual volume passing through the 2811.
When I asked about "kind of tunnels", I was wondering about how they are configured. E.g. GRE or IPSec/GRE or VTI, encryption options, other tunnel interface options.
Perhaps the easiest way to check for fragmentation, is packet analyze the traffic passing through the 2811.

High CPU load and com.apple.ImageCaptureExtension2 crash after upgrade

After upgrading my Macbook Air from Lion to Mountain Lion, the system has a very high cpu load, and the crash reporter is the process that causes thee high load. In the error log I see this entry several times per second:
17.08.12 12:58:46,011 ReportCrash[5998]: com.apple.message.domain: com.apple.crashreporter.writereport.crash
com.apple.message.signature: Image Capture Extension
com.apple.message.signature2: com.apple.ImageCaptureExtension2 ||| 8.0 (8.0)
com.apple.message.signature3: 03A96CBDA3C85A114383537BFC5C8999
com.apple.message.result: NO
com.apple.message.summarize: YES
I investigated a bit more and recovered, that it has something to do with the printer drivers. When I remove all printers from setting, everything is fine. As soon as I add a printer (Brother MFC 9440CN printer/scanner, printer driver provided by Mountan Lion), the crash reporter starts it's work and the error log is full of those entries.
Any suggestions?
Thanks in advance,
Marcus

I did more exploration and found the cause of this, but I don't know how to fix it:
I removed all Brother and Lexmark printer drivers and rebooted (and also tested with a virtual machine using 10.8.0 as guest os that never had any printer installed). As soon as I enter the printer settings and press the "+", the crashes begin, so it looked like the bonjour one of the printers announcing themselves via Bonjour were causing this.
When watching a picture in the preview app the same happend. We have two multi function printers in our network, the already mentioned brother printer and a Lexmark X204N. Switching off the Lexmark (which wasn't installed on my Mac) solved the problem. Switching off the printer is no solution in our office (it's our fax device and main printer), but switching off mDNS on the Lexmark also solved it. But this can only be a workaround.
Is this a known problem with Lexmark devices and Mountain Lion (it works fine with machines using Lion)? Are there any fixes known? It's just the Lexmark device announing itself via Bonjour that causes trouble, even if the driver is not installed.

High CPU load with nfs4

Has anyone noticed a high cpu load when transferring over nfs4.
My arch box has a dual core amd with 4 gig of ram. It has a rocketraid 2320 card being used for a 8 1TB mdadm raid 6.
I am transferring from ubuntu -> arch box. I am noticing high cpu on both sides. I dont know if its an nfs issue or what.
On the arch side I am seeing high usage from nfsd , flush-9:0, and an mdadm process. Both cores are sitting around 50%.
Anyone run into this or know if its an issue with nfs4? or maybe different nfs versions of ubuntu and arch.
Thanks.

Adobe need to realize that once their great product with a lot of penetration into the web ad + ria market is starting loose its ground as they simply can't address ongoing issue on their poor flash plug-in performance other than on windows platform. There are a lot of flash enthusiast out there but this poor support from the Adobe doesn't help this much further. One of the reasons why other software vendors pushing for more open standard RIA platforms other than Flash based...
Only suggestion that I have with Adobe is that if you can not get it right then, it may help to open up flash player source to the community. I am pretty sure that there are a lot of developers out there who can help out to drive better code base for the player and in turn make flash more adopted by non non ms windows user base. At the moment, I have installed "Click2Flash" and "FlashBlock" to save majority of CPU cycle on my MacBook Pro. Imagine the impact on this for future Adobe product. All online ad will slowly move away from flash based and in turn loosing entire market share it has successfully built over the years... Well must note that MS isn't much better either... MS RDP client is permanently turned off from my system, now I'm using CoRD instead..
I sincerely hope to see some major performance improvements in near future.

AFP-High CPU Load-Not Using Home Directories-10.5.6

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