RAM (random access memory), either RAM hardware or software and operating system use of RAM.

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Too Much Hardware Reserved Memory

Background My parents have a Gateway lx6810-01 that had 32 bit Windows Vista Home Premium. It has two 4 GB sticks of RAM installed (GSkill F3-10600CL9D-8GBNT), totaling 8 GBs. The RAM came with the ...
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4k views

Perf samples too long, lowering kernel.perf_event_max_sample rate to

My machine freezes from time to time and I can get it working back by pressing the space key. I have this problem since two weeks now, but it was just once per day max. Now it's starting to be many ...
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528 views

OSX suddenly says I'm out of space, and terminal says low on swap space

I'm running a pretty dated Mac but its what I have and can't afford throwing hardware at the issue. I am on Mac OSX 10.6.8 Suddenly Terminal says: Terminal has detected the system is running ...
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715 views

Is it possible to use GPU memory as more main memory?

I have a ATI Graphics Card with 1G of RAM. GPU-Z says that 143MB (dedicated) and 75MB (dynamic) is being used on the card (GPU). Is it possible to get your PC to use GPU as more RAM (main memory) for ...
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2k views

Down-clock 1600Mhz RAM on Macbook Pro Mid 2009

My Mac (Mid 2009- MacBookPro5,5) installing OS 10.8.2. Currently, it is using 2 x 1GB (1066 Mhz). My friend gave me 2 x 2GB (1600 Mhz) of his 2012 Mac. After installing 2 x 2GB (1600 Mhz) on my ...
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77 views

Seemingly inconsistent output from `top` re: Swap header vs. SWAP column

How should I interpret this seemingly inconsistent output from top re: swap? Running free confirms that no swap space is in use: $ free -m total used free shared ...
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39 views

Backing up software with its licenses

I have a PC which is mostly used for photo and video editing. This PC was starting to get slow and I decided I had to install some more RAM memory in it (6GB in total now). After doing that, I ...
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74 views

DDR3 SDRAM compatibility: clock speed and timings

I want to upgrade my computer’s DDR3 SDRAM, replacing the single module that it currently has with newer ones. I am wondering if I must (or ought to) stick fairly strictly to the DDR3-1333 version ...
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55 views

Mac OS X 10.8.5 memory usage on the high side. How to lessen or improve

I bought a Macbook with OS X 10.8 Mountain Lion. It comes with 2GB of memory but it using alot of it from looking at the Activity Monitor. Here's what it shows: Free: 140 MB Wired: 441.4 MB Active: ...
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51 views

Wrong total ram ( 8 GB installed, 4 appears and used in total )

I have this motherboard: GA-X38-DQ6 which can hold up to 8 GB of Ram. When I got this computer it had 4 memory sticks, 1 GB each, and everything was fine. Now, I have two sticks, 4 GB memory each: ...
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62 views

What's the difference between Crucial's Mac vs. non-Mac DDR3 SO-DIMM?

Crucial has many part numbers of memory for different systems; however, it appears that, for example, part number for ThinkPad X230, CT2946704, is actually merely an alias for CT2KIT102464BF160B. ...
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70 views

Possible to save process as dump file to disk and then reload the process later?

Is it possible to save process as dump file to disk and then reload the process later? For example if I'm using a video editing program and are in the middle of rendering a file, then I can go to ...
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126 views

Memory tests fail with 2 memory modules but work with either module individually. HP laptop with AMD Radeon HD 6520G

I'm getting recent memory test failures in an HP Pavilion g7-1303sa laptop (one month out of warranty :( ). The memory is the factory installed 6GB installed as a 2GG module in the top slot and 4GB in ...
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86 views

Interpreting memtest results - 0 MHz?

I have tried to install Ubuntu on a laptop width damaged Windows, and it gave me an error. After some checks, the only that give some strange results is memtest86+. I don't know how to interpret ...
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514 views

Macbook Pro very slow despite normal memory and CPU usage

My MBP (OS X Mavericks) with 4G RAM has been slow ever since I bought it last year, but now it's getting ridiculous with the loading symbol showing up each time I open a new tab in Chrome or even ...
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483 views

Not enough memory error with Microsoft Word

Friend's computer (Dell, running Windows 8 64-bit) has been getting a weird error recently; whenever he tries to open a Microsoft Word file from Windows Explorer his computer tells him that there is ...
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212 views

Process tree CPU history usage, process tree memory usage (aggregated) on Windows 8.1

This question is general for Windows OS, but I would like to see a software for Windows 8.1, since this is what I use. I'm looking for software, that will take a process tree (e.g. Chrome.exe ...
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379 views

How to force the Linux kernel reclaiming cache memory rather than using swap?

I have a PostgreSQL-driven web service on two Debian servers, one a vhost running Linux kernel 3.2.0-2 with 2GB RAM and the other a dedicated server running Linux kernel 2.6.26-1 with 6 GB RAM. ...
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285 views

Should the CPU usage go up to 100% when swap happens on Linux

I had been running a demo system on Linux with the following kernel: 2.6.32-400.1.1.el5uek #1 SMP Mon Jun 25 20:25:08 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux And as soon as swap happens, the CPU ...
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59 views

MemTest86+ bad adresses constant despite swapping sticks, processor/MOBO to blame?

(Sorry for the wall of text, but people seem equally critical of missing details) After about 2 years without trouble, I've been having issues recently with system instability, BSODs, random ...
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442 views

Computer suddenly won't detect half the RAM

I have a System76 wilp9 machine running Ubuntu 14.04 which came with 32GB of RAM installed. When I rebooted it today, it displayed a warning that the memory decreased, and now both the bios and linux ...
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83 views

Utilizing the full power of my workstation

I am not a gamer. Used to be, 10+ years ago. My workstation is strictly for business: Quickbooks Excel Access General Business QuickBooks is tied to a synchronization engine that is synchronizing, ...
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161 views

What desktop computer hardware specifications are most important for database heavy applications?

I am purchasing a new personal desktop computer with the hope of improving performance for database-heavy applications (mostly data mining). I will want versatile hardware for all sorts of future ...
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455 views

Sony Vaio VPCEE2E1E memory upgrade issue

I own Sony Vaio laptop VPCEE2E1E and I recently upgraded RAM MEMORY from default 3GB to 4GB after that operation I'm facing serious problem with performance.Windows shows that I have only 1.74GB ...
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1k views

Random BSOD crashes when all RAM slots are occupied

Although I'm a long term user of other StackExchange sites this is my first question on SuperUser, so please let me know if I've neglected any community customs I am experiencing regular BSOD crashes ...
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308 views

Apache memory usage never goes above 5%

I'm deploying an application that uses ImageMagick into VPS server. I tested in on two different OS: Centos6 and Ubuntu Server 12.04. On Centos6, the application is working properly and when ...
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451 views

Random freezing caused by khugepaged?

I have a fairly beefy Arch Linux computer, kernel 3.7.7-1-ARCH. However, recently it's been having random freeze ups. Never common, but it'd freeze for a good 15 seconds where no program is ...
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60 views

Using the heap command line tool

I am getting a crash while using libgmalloc and I get a complain which says something like Failed to VM allocate XYZ bytes Explicitly trapping into debugger!!! Now I when I encounter this ...
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550 views

Seagate external hard disk does not power down

When my computer is off, this external hard disk remains on, consuming power. It is permanently warm, and inside components are active (perhaps the fan?). I have a UPS for the system so a complete ...
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370 views

Overheating RAM, ddr2 motherboard 2 slots

Recently, I bought a new memory stick to speed up my machine, which is the exact product that I have been using. The problem is either of the RAM overheats like after 5 minutes once my computer turns ...
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179 views

Unusual memory usage spike

Ok, on Windows 7 64 bit, I basically use Firefox to browse the web, with a DSL broadband connection.Sometimes while surfing, I see the computer slows to a crawl for a few minutes and then goes all ...
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78 views

How big is PATA throughput on original Macbook Air (Rev A)?

I still have one of the original Macbook Air's that I use sometimes. It's got 2Gb of RAM and whenever it's filling up and starts paging, the whole things becomes barely responsive. I've heard SSD's ...
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209 views

System Memory: Only half is being displayed

Using multiple tools, I have verified that my computer can "see" that 8GB of RAM is installed, but only is using 4GB of ram. I've seen this behavior with: Memtest86+ 4.20: Memory SDP Information ...
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536 views

How many RAM Hardfaults is too many?

Trying to play BF3, sometimes seemingly randomly, it will start lagging. I assumed despite 4GB of RAM, it might be hitting its max. I just however noticed a lot of RAM Hardfaults. Is this a lot, or ...
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220 views

Asus P4B SDRAM Upgrade

I have to fix a PC for a friend - and - bought RAM because 256 MB SDRAM PC133 is not enough for WinXP. I bought 2x 512 MB SDRAM PC133. If I insert one stick, it doesn't matter which one, the PC won't ...
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35 views

Memory Usage of `yum update`

I was updating a slightly out of date server with yum update and ran into memory issues. It appears that yum requires enough free RAM to download each package. Updating single packages was not a ...
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32 views

Is it more effective to reuse tabs in Google Chrome or open fresh ones?

Google Chrome by default runs a new process for each tab that is opened. I am running Ubuntu 15.4 with Chrome 43.0.2357.134 (64-bit). I currently have a load of tabs opened, and there are 57 ...
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16 views

How to limit swap usage?

I want my computer to automatically hibernate when the UPS switches to the battery, so I need enough free swap space at any moment. But if I activate the swap partition, even right before the ...
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21 views

Memtest Errors but Pass = 1

I ran memtest86 on my computer and got an error. However the output has a 1 in the pass column. What does this mean and is the RAM still faulty/at risk of BSOD?
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68 views

Downclocking of 1600 ram to support on 1066 motherboard

I bought a ddr3 1600 mhz ram, but my motherboard is 1066mhz , can i downclock the ram to make it compatible for my motherboard my bios is american megatrends .inc
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39 views

Why is my server's physical memory 1 MB?

When I opened up System Information on my Windows 7 computer and queried my older (~2005) server, the following erroneous information appeared: Why is my total physical memory 1.00 MB instead of ...
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Interesting RAM hardware Issue

I am having an odd issue with my desktop computer. I have 8 GB of installed system memory, (MSI 990FXA-GD80 Mobo and AMD FX-6300 CPU) and occasionally, usually after changing settings in BIOS and ...
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39 views

Windows server page file used while enough physical memory and a specific process is running

One of our server page file is heavily used while a specific process is running, but the physical memory is only half used (3.5gb / 8gb). When I stop the process, the page file usage immediatly drops ...
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301 views

svchost.exe (LocalServiceNetworkRestricted) uses excessive RAM on startup

I'm running Windows 8.1 on a Lenovo Ideapad Yoga 13 with a Core i5 CPU and 4 GB of RAM that I bought July of 2014. Though I have had a good experience, there's one problem, as you can see from the ...
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35 views

Dual Monitor Setup

I wanted to have a dual monitor setup, but it won't detect my 2nd monitor. I already went into BIOS and enabled the onboard graphics as well as the surround view. I've tried it before and it worked. ...
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106 views

Aptana Studio 3: allow more than ~1300MB memory for JVM

Moved from Stack Overflow. I'm running Aptana Studio 3.6.1 on 64-bit Windows 7. Aptana site states that the IDE is compatible with 64-bit environments. When attempting to use a 64-bit Java version, ...
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32 views

How do I deal with processes which continuously open/close ports and increasingly consume memory?

According to file.net, nvtray.exe is some process for or from my video card. When I look at the Netstat part of XAMPP, it shows nvtray.exe continuously opening and closing ports, increment the port ...
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84 views

Why is computer slow in switching between opened applications?

I like to open a lot of Chrome tabs, but when I try to switch between open tabs, the tab tends to re-render. When I have some other applications open alongside with chrome, those applications also ...
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168 views

RAM and Motherboard compatibility

Firstly, I apologize for my English. It's really hard for me to write this lines; please, understand if I'm not clear enough or I explained very briefly way. My motherboard is an Intel DX38BT. I ...
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110 views

DDR2 RAM: Effective RAM dual channel frequency

Assuming the following DDR2 dual channel RAM setup on a Gigabyte P35-DS4 rev 1.0 board: Channel 0: Bank #0 : DDR2-800 Bank #1 : DDR2-800 Channel 1: Bank #0 : DDR2-1066 Bank #1 : DDR2-1066 Will the ...