OS X Mavericks and kernel_task?

After upgrading from Mountain Lion, kernel_task is consuming a lot of RAM, is this normal?
f931f1f1940a0a873ef269a17a1b36f9.jpg


Macbook Air mid 2012
October 3rd 19 at 03:17
12 answers
October 3rd 19 at 03:19
I have the same problem - kernel task eats all the resources, with the laptop becoming impossible to work. In this case the laptop is hot. Here is what I found on one of the forums:

Oh lads, I'll tell You the tale about kernelcheck! When the CPU of our mnogoserijnogo Mac immensely heated and congested, the system is MacOS X needs to regulate all this mess: don't give new trials to climb on the poor processor, so it won't burn to edrene hair dryer.
And how to do it? Bloch is all the new processes? And if they system? Well, then you have to play with the scheduling priority of a process, but again: who to prioritize and who to downgrade? Because initially, all processes are launched with rational-exposed priority. To create a strong and voracious intellectual regulation program priorities? It is unlikely that she will be able to effectively run on a congested percent

So nearly a brilliant Apple engineers (or BSD?) invented kernelcheck — process-a pacifier with a higher priority. In fact, the kernel task is what in Windows is called "system idle". When the system is heavy and hot, kernelstack takes all the resources, but to take something is, but to use — not use, allow to cool and rest iron. And it maximum priority in a critical situation it is perfectly possible! Most importantly, the priorities of other processes in any case not violated, just kernelstack appears with a priority of "above them". After completing his work our obladatel deflates and runs down the list of system processes, but should only occur the night... TFU-u-u-u-u.... not there... But once the system again begin to be overwhelmed, our helper here))

Tested on Airah both generations, and on a C2D 1.8 with the HDD, and Intel GMA, and on a C2D 2.13 with SSD and Nvidia 9400, kernelcheck is everywhere evident in the case of overheating and the flash. This was particularly noticeable during hot Moscow summer days 2010!


Tried to put the laptop near a window during another "stupid" - he quickly cooled down and the resources freed up :) That is the correlation between temperature and workload, I did not exclude it. At least for now helps "cooling" - apparently, need to run for a cooling stand )
October 3rd 19 at 03:21
PF, gentlemen, your numbers make me laugh, when I look at your start to flow down the chair in a quiet horror
gubV2
October 3rd 19 at 03:23
Me too annoying. But I guess that is normal.
October 3rd 19 at 03:25
Okay.
Here is a discussion of hypotheses on this topic is 15 pages long: discussions.apple.com/thread/2784719?start=0&tstart=0
October 3rd 19 at 03:27
Kernel task is trying otozhrat all available memory... it has always been, not only in Mavericks
This system caches all sorts... to be free it is not to rush but to swap places climbing over
In General, it is not worth much worry, the Maverick pretty advanced memory... my MFA 2010 — began a new life
October 3rd 19 at 03:29

I have a MB Pro late 11 fewer operatives displayed (used), and I was hoping it would be faster to work with. In the end I bought 2 dies 4 GB. Parallels+Photoshop+word pulls at all then :)

October 3rd 19 at 03:31
The strange behavior I saw on the MacBookPro:
kernel_task starts eating 500-700% CPU
Pull out the power (turn on battery) and VOILA! Half a minute later, kernel_task somewhere at the bottom of the process list. Nothing eats.
October 3rd 19 at 03:33
Cache, dudes! I'm after a clean restart so here: image
October 3rd 19 at 03:35
I am afraid to go to Maverick from Mountain Lion, MacBook Pro 13 (summer 11) with 8GB on Board. Nothing to be afraid of?
October 3rd 19 at 03:37
hack on Mavericks with 8 gb of memory, Sometimes kernelstack eats up to a half gig of memory, now more than 800 mbb1f7103b13f34d50b8728817959e80e3.png
October 3rd 19 at 03:39
Here there seems like there is a solution www.iguides.ru/forum/showthread.php?t=30042

Briefly, it is recommended to do the following:


Had a similar problem.
I did

1) Open System Information (under Apple icon in upper-left, click About This Mac, click More Info)

2) Click System Report button, under Hardware, find your "Model Identifier" -remember this for later use

3) Navigate to /System/Library/Extensions an right-click, Show Package Contents of IOPlatformPluginFamily.kext

4) Open Contents/PlugIns and Show Package Contents of ACPI_SMC_PlatformPlugin.kext

5) Open Contents/Resources

6) Find your MacBookAir?_?.plist (? = your model identifier from step 2) and delete the file

7) Reboot! Remember, anytime you do a System Update, you may need to repeat this process

So far everything is fine. Already updates after this set.
After review https://toster.ru/answer?answer_id=283231#answers_... I believe that after these steps, the CPU will burn. - Kenneth commented on October 3rd 19 at 03:42
October 3rd 19 at 03:41

Find more questions by tags macOS