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Mavericks RAM

I thought Mavericks was suppose to utilize RAM memory better, thus run smoother.



Running ML on Mac mini 2012, with 16GB RAM...always running smoothly even with over a dozen apps running.



Now, after installing Mavericks, my Mac is **SLOW**, eating up RAM like crazy! Looking over usage, of the 16GB of installed memory...on average it uses 10-14 GB RAM when barely running a few apps!!!



There is this `kernel_task` that is always running with over 1GB of RAM and most apps are not taking that much RAM, so what is using up all my RAM?! File cache? It shows very high in that new description, with about 1/3 of my total RAM


What to do? I already rebooted, and I know ML did not use this much RAM

Mac mini, OS X Mountain Lion (10.8.2)

Posted on Oct 22, 2013 10:17 PM

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20 replies

Oct 23, 2013 10:10 AM in response to breton89

breton89 wrote:

What to do? I already rebooted, and I know ML did not use this much RAM

As has been discussed to death already, using more RAM is not by itself necessarily a sign of any problems. 😉


However, if your Mac is running unusually slowly, you do have a problem that needs attention. There are several possible causes, so don't jump to the conclusion that Mavericks itself is as fault.


One common cause is third party system level additions and/or login items that need to be removed or updated because they are incompatible with the new OS. So the first thing to do is consider what if anything you have added to the system that didn't come from Apple, & if it is all the most current, up-to-date versions available.


Another cause is either a too full startup disk or one that has some file system problems. So make sure you have plenty of free space on the startup disk & run Disk Utility's Verify Disk check on it to make sure the file system is problem free.

Oct 24, 2013 8:01 PM in response to R C-R

I wrote:

One common cause is third party system level additions and/or login items that need to be removed or updated because they are incompatible with the new OS. So the first thing to do is consider what if anything you have added to the system that didn't come from Apple, & if it is all the most current, up-to-date versions available.

I usually follow that up with a suggestion to download & run Etrecheck, which was developed by frequent ASC contributor Etresoft to make it easier to spot third party add-ons that might be causing issues, but I didn't do that here because I wasn't sure it would work OK with Mavericks.


I am happy to report he has just posted an updated version 1.8 to his website, which among other improvements is compatible with OS 10.9 Mavericks. I suggest you try it & see what if any third party add ons you have installed, & post the report if you want help from the user community interpreting it.

Nov 26, 2013 7:13 AM in response to v1ct0r

Victor, for the future, it's okay to post a new question regarding your issue just reference the thread as needed.


Anyways, what you see is not abnormal...


The MacOS uses 2GB or more, it also loads up files/apps that are used frequently so that can easily reach a few more gigs used, so if you are getting memory errors let us know, otherwise, enjoy the powers of Mavericks!

Mavericks RAM

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