All Questions
Tagged with virtual-memory macos
12
questions
0
votes
1
answer
92
views
Does macOS compact RAM to save power?
We all know that a modern OS will save power by throttling the CPU (or even putting it to sleep) when it isn't needed. But what about the RAM? After all, DRAM can't be powered-down without losing its ...
- 101
3
votes
1
answer
2k
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How to drop memory caches in macOS?
In GNU/Linux there's a way to drop_caches.
drop_caches is the command that would flush caches from the main memory.
I don't have such a command in macOS.
How to..?
- 104
3
votes
1
answer
2k
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macOS - virtual memory limit (architectural or practical)?
Is there a specific limit (configurable, hypothetical) to the amount of memory macOS can use?
I know there are several related factors, like addressable RAM, how virtual memory is used by the system, ...
- 1,322
1
vote
1
answer
51
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What would cause a Windows VM to consume native host disk space?
So, I've got a Windows10 virtual machine running on macOS via VMware Fusion.
It's just the common, freely available Windows development VM.
It's been allocated a significant portion of the hosts ...
- 2,751
8
votes
0
answers
1k
views
What to do about the vmmap process in Mac OS X always hogging the CPU?
I am running Mac OS X 10.13.5 High Sierra, and I have always had my Activity Monitor up.
My computer would every now and then freeze for a few seconds completely and then act normal again. When this ...
- 181
1
vote
1
answer
2k
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Running multiple shell instances with different parameters at the same time
Assume I have a python script that I want to run with different parameter combinations (I have MacBook Pro). If I use a shell script to do so (say run.sh), does it make sense to run run.sh multiple ...
- 13
1
vote
1
answer
1k
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My MacBook Pro gets a kernel panic on shutdown or reboot
My Macbook Pro (Retina, Mid 2012) kernel panic every time when shutdown or reboot. I'm currently using OS X 10.11 El Capitan. How can I solve this issue?
Here is the panic report
*** Panic Report ***...
- 11
2
votes
2
answers
6k
views
OS X virtual memory size can't be correct, can it?
I've got Snow Leopard and 8G of RAM. Activity Monitor reports a VM size of 173 Gigabytes. My hard disk is only 250G and 200G of that is in use. I've got a lot more data than 27 GB on my hard disk. ...
- 205
9
votes
2
answers
2k
views
On Mac OS X how can I see how much memory is being used by what programs?
On Mac OS X how can I see how much memory is being used by what programs?
- 18.3k
29
votes
2
answers
29k
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Unpause application in Mac OS X
I tried parsing a gigantic XML file and I ended up running out of virtual memory. The OS put all my applications on pause and gave me a screen to shutdown applications to free more space. I killed the ...
- 2,935
20
votes
2
answers
15k
views
How to diagnose ballooning OS X kernel_task and wired memory usage?
I have a very strange issue, which I'm having a hard time diagnosing as to the root cause.
I have a Mac Pro (2008, 8-core 2.8 GHz, 8800GT) with 14 GB of RAM (recently upgraded because of this issue!)....
user28930
29
votes
5
answers
18k
views
How much swap is a given Mac application using?
Is there any way to tell whether a particular application running on Mac OSX (10.2+) has some of its memory swapped out (i.e., to one of the /private/var/vm/swapfile* files)? And how much?
Bounty (...
- 2,902