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pleiades's avatar

MacBook Pro Early 2011: How do I stop kernel_task from over consumption of memory?

Asked by pleiades (6379 points ) January 19th, 2014

I’m running extremely slow right now. Is this a ram attack? My activity detects “kernel_task” 326% user is “root” and not my user name.

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10 Answers

ARE_you_kidding_me's avatar

Sounds like a memory hole

johnpowell's avatar

I was reading about this the other day. Are you using headphones on your MBP? Kernel_task uses a massive amount of memory on my Mac. But barely any CPU.

I don’t experience any slowdowns due to this so I never really paid any attention to it.

funkdaddy's avatar

Have you restarted it?

Can also try Memory Clean which just frees up what’s already not in use but might still be marked as reserved. It’s free and really simply to use.

pleiades's avatar

Hey all thanks for the responses.

As soon as I started up my laptop the fans were on full blast. And then when I’d hover over the search tool it would say at the bottom, “indexing “my name” macbook”

I said screw it I had to have it on to watch the NFL games regardless of the lag, and I could hear the fan pretty loud. I took a quick nap and awoke to it and the fans were back to normal levels and couldn’t hear them and overall everything stabilized to normal!

I just let it sit there I guess.

johnpowell's avatar

That is probably mdworker (spotlight). It thrashes the CPU and disk. It calms down after a bit.

It is different from kernel_task.

I am at a bit of a loss here. Unfortunately I think there isn’t a easy fix until Apple fixes it.

Bagardbilla's avatar

After the upgrade, the OS indexes the entire HD for Spotlight. Best to let it run its’ course overnight.

pleiades's avatar

My kernel_task is now at 3.5% compared to 347.0% @Bagardbilla I don’t understand I didn’t update recently or anything like that.

I’m guessing it’s a 10.9 thing seeing as a lot of the support forums think so.

Bagardbilla's avatar

@pleiades Is it still doing it?

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