1
vote
0answers
42 views

OS X Ram Viewer

I am starting to become an intermediate C++ programmer and messing around with memory allocation and would like to take a look what is going on behind the scenes. For instance, I would like to see ...
0
votes
0answers
9 views

Interpreting Weird Swap Issue

So the output of htop on my OSX 10.8.5 machine shows some less than desirable memory stats: And believe me, my computer is accordingly VERY slow, even though all I'm running are a few shell ...
0
votes
1answer
81 views

OS X - See memory usage per app?

Is there a way to see memory usage per app in OS X (I am using Mavericks)? (Edit: That is, I want to see the total memory consumed by each app, including its child processes.) The Activity Monitor ...
1
vote
2answers
126 views

How can I tell which apps are using up my graphics memory?

Sometimes my Macbook grinds to a halt due to the GPU's onboard memory getting full. (I know this because the CPU use, RAM use and disk use are all low, and because closing things like Chrome tabs and ...
-1
votes
1answer
509 views

Macbook pro being slowed down ky kernal_tasks in Mavericks

I downloaded Mavericks when it first came out and it was no problem. Within the last week or so, my mac has become EXTREMELY slow. Solutions I have tried: -Resetting the PRAM/NVRAM -Resetting the SMC ...
0
votes
0answers
22 views

Advanced techniques to diagnose performance problems on OS X via DTrace or other means?

I am having some severe performance problem with my OS X workstation at the moment that is proving to be exceptionally elusive. I normally can hunt things down with a handful of tools such as top or ...
0
votes
1answer
43 views

Why would my Mac be slow after inactivity and then get to full speed after 20-30 minutes of use?

My Macbook appears to get slow after a period of inactivity and then get itself back to full speed after 20-30 minutes. While I have some ideas I'm wondering if anybody else has seen such behaviour ...
0
votes
1answer
303 views

activity monitor – “0 bytes” swap used always reported

Whenever my system gets slow, I open Activity Monitor to check my RAM usage and close any apps that are consuming a lot of memory, but that I don't absolutely need to be running. RAM usage is always ...
1
vote
1answer
1k views

kernel_task consuming a lot of memory, can't finish my computations

I am running a computational process that requires several GBs of memory. When my process consumes about 11Gbs, Activity Monitor shows me that kernel_task consumes more than 20Gbs thus making my ...
1
vote
1answer
319 views

Does RAM Disk Improve OS X Performance?

I stumbled this article explaining how mounting RAM disk can improve OS X performance up to 40× which of course is just a a hyperbole. My question is whether the suggestion made by them valid for ...
0
votes
0answers
21 views

Possibility of allocating memory into different applications - Activity monitor or a 3rd party source

Is there a possibility to allocate different amounts of memory into a certain application, or prioritize that application to receive more memory. I am almost positive you cannot do this task with ...
0
votes
0answers
92 views

After downloading file installer process runs and uses all memory

When I download a file from the internet a process starts with name "installer" and uses all the available memory until my Mac crashes. It's not related to the browser — I tested with Chrome and ...
2
votes
0answers
67 views

What causes playing a video in browser to take up all the RAM?

I've been noticing lately that when I'm playing a video on my Mac from say Hulu, Netflix, Youtube, any video site via a browser, the computer gets extremely laggy for 5 minutes and then acts normal. ...
0
votes
1answer
966 views

How to find out which Safari tab is using massive memory?

As described in my other question, Safari on OS X 10.6. is causing me massive problems (with my way of working like having many tabs in Safari open for a long time). I just realized that after ...
1
vote
0answers
219 views

Reduce Maverick Memory Footprint

I'm using a macbook air 2014 with 8GB, also running Parallels a lot so wanted to reduce memory usage of OSX. Already disabled voice dictation that freed up around 500 mb. Any other tricks/tweaks?
0
votes
2answers
168 views

Memory tester for Snow Leopard

Can somebody suggest a memory tester for Snow Leopard (10.8)? Command line or other doesn't matter, ideally something that doesn't have to be installed though (doesn't change the machine) and just ...
1
vote
3answers
5k views

High memory usage, macbook pro retina feeling sluggish

My Macbook Pro Retina seems to be feeling sluggish and I don't think it should at all. I'm running: photoshop, 1080p movie on VLC plugged into a Thunderbolt Display. Looking at the activity monitor ...
1
vote
1answer
1k views

Purge command - Unable to purge disk buffers, error #-2?

When I attempt to run the purge command, I get the same error every time. [ERROR] <CPDevice.c:3816> Unable to create new counter client. [ERROR] <CPOSX.c:1172> Unable to get user ...
0
votes
1answer
828 views

Why does OSX use 6GB of RAM after restart?

Just had OS X crash on me because of swap pressure. I have 2012 rMBP running the latest version of Mavericks (10.9.1), and it only has 8GB of RAM. Since reboot, OS X now consumes 6GB, which leaves ...
3
votes
1answer
174 views

Impossibly low RAM

I remember the times when I got my macbook pro with 4GB of RAM: I could launch Firefox, VirtualBox and Firefox inside a VirtualBox and it worked reasonably well. Two years later, when I start the ...
3
votes
2answers
539 views

Does use of memory with timing CL=10 instead of Apple used CL=11 slow my Mac down?

After reading Why is 8GB, Ballistix 204-pin SODIMM, DDR3 PC3-12800 memory module showing as not compatible with Macbook Pro mid 2012? on the Crucial forum, and the response from Crucial: use our ...
2
votes
2answers
235 views

OS X using lots of memory for no apparent reason

I have about 2 GB or more memory that I don't know what its used for. When I restart my computer with no applications running, the used memory is 4 GB, and when I open browsers its over 7 GB used from ...
1
vote
1answer
418 views

On OS X Mavericks, why does it always say my memory used is like 99% of my total memory?

I keep getting these results from Activity Monitor in Mavericks, where it seems like 99% of my memory is being used (where in the screenshot I have 10MB left). Am I just reading this wrong? How am I ...
6
votes
2answers
8k views

com.apple.iconServicesAgent using a lot of RAM in 10.9

I performed a fresh install of OS X 10.9 and now the process com.apple.iconServicesAgent is using >300MB of RAM, that is quite a lot. This process is using the second most amount of memory of all ...
1
vote
0answers
103 views

Macbook Pro Late 2011 stuck at 0.8 GHz

I have been experiencing a lot of problems with my Macbook Pro slowing down and crawling through small tasks like getting mail and opening Launchpad. I have 8 GB of 1333 MHz DDR3 memory and a 2.2 GHz ...
2
votes
2answers
14k views

How can I use automator to run “purge” command in Mavericks?

In Mountain Lion, I frequently used a simple automator app called "Purge Memory" which just ran "purge" in the command line. I really enjoyed cleaning the RAM, especially when buggy apps ran memory ...
0
votes
1answer
1k views

Mac has become insanely slow : Processes SystemUIServer, UserEventAgent and loginwindow using a lot of memory

I have been using my Mac for for many months without any problem. But recently all of a sudden the Mac became insanely slow. I opened Activity Manager to see what was happening. For three processes ...
1
vote
2answers
298 views

Performance issues, can I recover memory?

In the past month I am having some serious performance issues with my MacBook Pro (2008 model). From the activity monitor, I get that the CPU usage is low (25%), disk usage is low (256 GB SSD drive, ...
1
vote
1answer
266 views

OS X startup disk has no more space available for application memory

I am running a simulation that deliberately uses a lot of memory. In fact, more than the available RAM and so the program should use swap space. However, after 60 GB of swap space are used, I get the ...
1
vote
2answers
6k views

Why is my Mac using so much memory?

When I got my Mac Mini with 4GB RAM I thought it would be enough, since on my Windows machines I never hit past 3GB – but I was wrong. So I ordered 16GB of RAM, but one of the sticks was bad, so I ...
0
votes
1answer
224 views

My Mac crashes when it runs out of RAM

I have a perplexing problem with my Macbook Pro (16GB RAM, OS X 10.8.4). If I use up all my main memory, the computer crashes. The screen freezes on whatever window it was on (not a kernel panic), and ...
3
votes
3answers
5k views

Can Google Chrome be blamed for high RAM usage and lagging performance?

On my Mac, OS X lags substantially when browsing through Chrome. I've researched things and understand that inactive memory is part of the free memory, that can and should be freed at a moment's ...
0
votes
2answers
1k views

What did I do wrong - Safari 6.0.5 on 10.8.4

... has recently taken a turn for the worse. Constant beach-balls, and after an hour's browsing, that damned Safari Web Content is running between 2 and 3GB, between real and virtual. If I leave tabs ...
0
votes
1answer
48 views

Should I reinstall the OS after restoring from time machine?

A while back, my MacBook Pro died. It was an older machine (2007 I think), with a Core 2 Duo processor. I was doing regular backups through Time Machine. I bought a I7 MBP, and re-staged the new ...
0
votes
1answer
403 views

2010 2.66 GHz 12 core Mac Pro not utilizing all 24 threads?

I just recently purchased a 2010 Mac Pro. I am wondering why all 24 threads never go past 50% usage when doing CPU intensive tasks. My coworker has a 2009 2.93 GHz 8 core Mac Pro and we both tried ...
-2
votes
1answer
502 views

Latest OS X 10.8.3 Memory Leak [closed]

I have 8Gb memory installed. When I quit all of my programs i have free 500Mb. After purge command this value increased to 700Mb. Where is my 8Gb? It is marked as WIRED... Reboot helps but only for 1 ...
2
votes
2answers
471 views

MBP w/ OS X 10.8.3 Performing Quite Slowly Lately

My MBP (2.66 GHz i7, 4GB RAM, 500GB HDD) is about two or so years old. It's been running like a champ for most of its life. However, within the past few months, I've noticed a considerable degradation ...
0
votes
1answer
755 views

5Gb of RAM being used with NO software running?

My computer (brand new) was using 12 Gb of RAM so after I was done exporting my video I force-quit everything and 8 minutes later it's still using 5Gb or RAM, is this normal?! It seems like so much! ...
0
votes
2answers
530 views

Macbook pro 13 2012 (HD4000) 8GB(1600 Mhz) single RAM stick issue

I have a Apple Macbook Pro 13" 2012 IvyBridge HD4000 Model which came with 2GB x 2GB RAM. I Recently bought a single stick of 8GB RAM 1600Mhz (which is compatible). Gskill 8GB DDR3 FA-1600C11S-8GSQ ...
8
votes
3answers
845 views

How do I automatically kill processes that leak memory?

I have problems with processes that leak memory. They cause my hard drive to be filled with swap files in /private/var/vm. I would like leaking processes to be killed at sight by the OS. I’m not ...
3
votes
1answer
686 views

How to prevent OSX from allocating as much virtual memory as there is space available on the hard drive?

I recently had data loss because the hard drive was completely used up by virtual memory and some programs couldn’t handle zero free space on the hard drive. How can I prevent this from happening ...
1
vote
0answers
752 views

OSX - How to find out which process eats up memory?

My MacBook Pro has 8G RAM. Recently memory leak offen happened. Page outs and swap used kept increasing. The last time it used ~8G swap space. But in Activity Monitor, I can't find any process has a ...
2
votes
1answer
337 views

Why does free + active + inactive + speculative + wired not equal total RAM?

When I run vm_stat on my 10.6.8 MacBook Pro with 2 GB of RAM I get the following: Mach Virtual Memory Statistics: (page size of 4096 bytes) Pages free: 90518. Pages active: ...
2
votes
1answer
1k views

Can one influence Mac OS X's / Darwin's filesystem caching behaviour?

I have the following problem: When I run processes that consume a lot of memory, Mac OS X seems to refuse to release a large portion of the filesystem cache: In fact, instead of letting go of the ~ ...
4
votes
1answer
2k views

find what's producing inactive memory

First of all i'd like to ask politely for all of those who feel the need to explain it to me how perfect apple's memory management is to ignore this thread. A little background: The theory goes that ...
0
votes
1answer
208 views

Mac has enough memory, but still pages in, is that a problem?

I recently upgraded my memory, but I notice that while the OS does NOT page out at all (from what I see in Activity Monitor), the machine pages in regardless. Why does that happen? Is that a problem? ...
9
votes
3answers
7k views

How does memory management work in Mac OS X?

I am a university student who has been trying to write a compare and contrast paper between how Windows, Linux, and Mac OS X manage memory. For instance, with Windows, it's physical memory (RAM) and ...
50
votes
6answers
29k views

Isn't Inactive memory a waste of resources?

I'm looking for explanation of memory usage on my machine especially in light of the example in this screenshot below: I understand what is Free and Active means But what are the meanings of Wired ...
0
votes
0answers
55 views

Is there a way to monitor the stack of execution in order to find the longest hangs?

Related to this unsolved mystery: apple.stackexchange.com/questions/62416/why-do-i-get-serious-execution-lag-on-clicks-application-switching-and-general I'm wondering if there's a way to see which ...
0
votes
1answer
2k views

Strange QuickLook Error

I recently installed an SSD (m4 crucial latest firmware) with TRIM enabled on my late 2011 MBP 13". I did a clean install of Mountain Lion 10.8.1, enabled FileVault 2 and everything was working fine ...