The ram tag has no wiki summary.
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1answer
32 views
Converting *.ram to *.avi
I just came across an old file witn a ram extension. I've tried viewing it ( just to see what it is ) and am having extreme difficulties. I've tried looking for spftware online and alll I find are ...
6
votes
1answer
127 views
How to blacklist a correct bad RAM sector according to MemTest86+ error imdocation?
MemTest86+ (the version included with Ubuntu 13.04) says
Failing address: 002f796c48 - 759.5 MB
What should I specify in the memmap kernel parameter to bypass this area?
I've tried running ...
2
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1answer
61 views
Linux Mint Stops Network File Transfers to Load Data into RAM
I've never seen or heard anything like this before, and I can't find anything else online that is at all similar.
I've upgraded my network to gigabit and have been transferring large files lately ...
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0answers
20 views
Crash analysis and 4 levels of page table
I am having xen 3.4.2 running with 15 vm (pv+hvm) on a host with 256 Gb RAM and 96 core CPU.
But recently my host crashed on debug log its showing
translating ffff83183fcb0000 with CR3 100ae42000 ...
6
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5answers
340 views
Processor usage increases with 4GB RAM installed
I have an Intel Atom D2700 (Synology NAS DS412+) with 4GB RAM running kernel 3.2.30 x86_64. This unit has a single DIMM slot.
One thing I, and other's have found, is that when adding a 4GB DIMM ...
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0answers
22 views
Is there an equivalent to Windows ReadyBoost in Linux? [duplicate]
In Windows 7 a feature was introduced in which you could use a thumbdrive as "poor man's" RAM called ReadyBoost. Does Linux have any equivalent of this?
1
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1answer
31 views
Not using specific memory regions due to errors
I have just installed some new RAM (2x1GB, 667, sticks from 2x512MB, 533, sticks) into an old system (perfectly valid), and all was working fine, until now.
I have been having some issues when the ...
3
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2answers
123 views
How to benchmark RAM memory with a Linux Distro?
I' ve just bought new RAM and I'd like to benchmark and compare with my old. How can I do that?
4
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1answer
78 views
Is it possible to lock bad bits in RAM on Linux?
Recently I bought 8 GB of RAM and it has bad bits. Is it possible to lock the bad bits to make Linux avoid them?
15
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4answers
641 views
Creating a ram disk on Linux
I have a machine with 62GB of RAM, and a trunk that's only 7GB, so I thought I would create a RAM disk and compile there. I am not a Linux expert. I found instructions on the internet to create the ...
3
votes
1answer
102 views
How can I dump the full system memory?
After starting VirtualBox, the computer became sluggish and then hung completely due to OOM. Usually, OOM should be starting killing processes in order to free up some space, but this did not happen ...
1
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1answer
323 views
htop reporting much higher memory usage than free or top
The following three outputs were taken essentially simultaneously:
top:
top - 02:54:36 up 2 days, 13:50, 3 users, load average: 0.05, 0.05, 0.09
Tasks: 181 total, 1 running, 179 sleeping, 0 ...
2
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0answers
134 views
Is it possible to run any distro from RAM from within an .iso saved on an NTFS file system?
Running entirely from RAM been done on various distros such as Slax, DamnSmallLinux, and newer Ubuntu versions, and since I have 8GB it seems reasonable that I could run many distros entirely from RAM ...
1
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2answers
73 views
TLB cache flusing when a page is swapped out
I recently heard that Linux simply flushes the TLB cache when the corresponding data in that physical address is swapped out, resulting in underutilization of the TLB. I don't know whether all OSes do ...
3
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0answers
94 views
My SMDK2416 (for s3c2416) kernel works on 64MRAM but crashed on 128M
I'm currently working on embedded arm linux with smdk2416(s3c2416)
The kernel is working on the 64MRAM. Recently, I need to increase the RAM from 64M to 128MB with 64MB on bank0 and 64MB on bank1.
...
4
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1answer
141 views
Limit disk buffer usage in SLES 11SP2 to allow more efficient memory overcommit on esxi host
When running VMs on an ESXi host, you can overcommit the memory.
Example: host == 20GB physical RAM
The amount of RAM allocated to each VM is
VM1 == 10gb
VM2 == 10gb
VM3 == 10gb
VM4 == 10gb
The ...
5
votes
3answers
386 views
Why is the theoretical RAM limit for RHEL 6 128 TB and how is this determined?
I'm studying for RHCSA and am confused by a statement I came across in some training material:
There is no practical maximum RAM, as theoretically, you could run 128 TB of RAM on RHEL 6. But ...
7
votes
1answer
390 views
Is using a read only root file system a good idea for embedded setup?
I have been tasked with running Linux as an operating system on an embedded device.
The target has an x86 processor and has 8 GB CompactFlash device for storage.
I have managed to use buildroot to ...
4
votes
1answer
1k views
Move /tmp to RAM
I am trying to move /tmp to RAM and obey good practice:
/var/tmp should NOT be placed in tmpfs, as it must survive reboots
not mount /tmp as a stand-alone tmpfs, but rely on /dev/shm or /run/shm
...
4
votes
1answer
768 views
Tmpfs only with RAM
How to be sure that a tmpfs filesystem can only deal with physical and it's not using a swap partition on disk ?
Since i have a slow HDD and a fast RAM i would like, at least, giving higher priority ...
3
votes
2answers
165 views
Shouldn't there be more RAM free than this? [duplicate]
Possible Duplicate:
Correctly determining memory usage in Linux
I see that almost all my RAM is in use. Is this bad? Strange thing is I don't see what is actually using the RAM.
2
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1answer
77 views
Can't Get “lsdvd” To Work On Remastered Live CD's
I have attempted to make Tiny Core Linux, Archboot (didn't get very far), and SliTaz remastered live CD's with lsdvd included, in order to create a lightweight transcoding solution that allows as much ...
1
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3answers
139 views
CPU or RAM better in old machine?
I'm planning to use one of two old computers as a low-volume backup server. The machine will be online and files will be backed up over ssh/rsync. I will do a minimal install of Ubuntu or Debian ...
1
vote
1answer
387 views
How to make the system automatically kill some processes?
Sometimes my computer starts to behave sluggishly after running too many programs/processes simultaneously, at points almost looking crashed/frozen. Using Debian Linux, is there a way to ...
1
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4answers
1k views
How to clean up the RAM memory that is being used as cache memory?
My processor is using a big part of my RAM memory as cache and I want to clean it up because of that; will it prejudice something?
1
vote
4answers
3k views
How to find information about the RAM using the Terminal? [duplicate]
Possible Duplicate:
Can I identify my RAM without shutting down linux?
I need to know it to check the compatibility... I wanna know the type/size/model, etc. Can someone help? Thanks.
6
votes
3answers
347 views
Preload movie on RAM
My current computer is unable to run FullHD movies smoothly and I was already resigned to the idea, because it seemed a graphics card issue, mine not being powerful enought to do the work (which is ...
2
votes
2answers
485 views
How much RAM can an application allocate on 64-bit x86 Linux systems?
Is it true that a single application can not allocate more than 2 GiBs even if the system has GiBs more free memory when using a 32-bit x86 PAE Linux kernel? Is this limit loosened by 64-bit x86 Linux ...
5
votes
3answers
3k views
64-bit Linux doesn't recognize my RAM between 3 and 32 GB
My problems were caused by a faulty memory module and quite possibly a broken kernel binary.
I just now booted my PC with basically brand new hardware. I've been running Debian 6.0 AMD64 before, ...
5
votes
2answers
451 views
How to get top 5 most ram intensive applications from Bash?
So I look at avaliable to me servers load
and see that some other user has created some really ram intensive app that kills my server hosting abileties. I wonder what is bash command to get top 5 ...
5
votes
2answers
891 views
What is the appropriate value of vm.swappiness when using zram?
I'm using zram on my computer as a compressed RAM-backed swap. When the system needs to swap something out, swapping it to a zram-backed swap file is more or less equivalent to compressing that data ...
2
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0answers
189 views
Odd Inode/Ram cache drops happening in CentOS
I run a CentOS 5.7 machine (64bit) with 24GB ram and 4x SAS drives in RAID10 setup.
This machine runs nginx/1.0.10, php-fpm & xcache. About a month back the RAM usage of this machine has changed.
...
5
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2answers
934 views
Is there a way to speed up boot time by loading things into RAM immediately?
I'm looking to lower my boot time by whatever means possible. I have about 8GB of RAM in my laptop, and if there's any way I could leverage that into faster boot time, that'd be awesome. Is there a ...
