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Questions tagged [memory-pressure]

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How to improve the performance of an Ubuntu Virtual Machine running in VirtualBox?

I'm using VirtualBox 6.0.4 to run a Ubuntu 18.0.4 guest on a MacBook Pro 2018 host with macOS Mojave. The MacBook host has an i7 processor and 16GB of RAM. Along VirtualBox, I'm running Google Chrome. ...
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1answer
3k views

Free up unused memory from kernel_task

I am a web developer, and sometimes I encounter software bugs that has runaway threads or used up available memory in a browser process. Terminating the offending Chrome process will free up the ...
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1answer
991 views

MacOS 10.10 on 4 GB memory bloat: which launch daemons/agents/services can I disable? And how to discover the names of the culprits?

I recently did a Yosemite (10.10) clean install on my 4 GB 2010 MBP, but it now has so much memory bloat due to unnecessary launch daemons/agents /services that it causes frequent beachballing; ...
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How to force purging of cached files, to keep from running out of application memory?

After reading a couple helpful threads on this forum, I was able to figure out why my Mac started being non-responsive despite having 32GB of RAM, and almost nothing open. Despite using only 4GB-ish ...
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2answers
8k views

macOS Sierra keeps running out of application memory [duplicate]

Every time I turn my Mac on, after a while the app memory just runs out. These are just from 10min apart, after working for a while. I need help figuring what those Installers are and why the ...
4
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2answers
783 views

Is there any not-scary explanation for Finder's memory usage?

OS X El Capitan 10.11.6. MacBook Pro (Retina, 13-inch, Early 2015).
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1answer
3k views

How can I increase the maximum allowed swap space?

When I try to do a calculation that needs to allocate and use 128 GB of memory (it is a command line program written in C), the kernel kills my process with extreme prejudice. This console log entry ...
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3answers
818 views

Why does memory appear near full even after upgrade?

I've just upgraded my MacBook Pro from 4GB to 8GB. Before the upgrade, I looked in the Activity Monitor and it said that it was using almost 3.98GB of 4GB (I'm a web developer, so I usually have lots ...
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0answers
785 views

Why does OS X use swap memory when memory pressure remains low?

My system (Yosemite / 10.10) has been paging out to swap memory despite my memory pressure reading less than 50% over the last 7 days (tracked with iStat Menus). How is this possible? It would be one ...
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1answer
4k views

How to see total memory usage per app?

Is there a way to see memory usage per app in macOS? That is, I want to see the total memory consumed by each app, including its child processes. The Activity Monitor shows memory usage by process ...
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2answers
12k views

vm_compressor_mode (vm.compressor_mode) values for enabled compressed memory in OS X

Background In Super user, with an accepted answer: Disable compressed memory in Mac OS 10.9 Mavericks? Also in Super User: how to get memory compress back in Mac OS 10.9 Mavericks? – and from ...
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3answers
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What scale or measure does Mavericks' and Yosemite's “memory pressure” adhere to?

Mavericks' (and also Yosemite's) Activity Monitor shows a new diagram, the memory pressure. Sadly, its help text only vaguely explains what exactly it measures. How is memory pressure calculated? ...