Random Access Memory is a fast and volatile data-storage bank used in computers to store data and machine code currently being used.
Questions tagged [ram]
392 questions
35
votes
6 answers
detect number of RAM channels
I'm trying to determine (without physically having access to a machine) the number of RAM channels it supports (single, dual, etc) - AND whether it is configured to use that setup, e.g with four slots and dual channel RAM, you only get dual channel…
Zack Newsham
- 511
3
votes
2 answers
Mint is not detecting new memory (RAM)
I have bought new RAM, and it's not detected.
In short
I got new RAM, 16 GB, to switch my old one, 4 GB + 4 GB. New one isn't detected by my laptop OS(?)/software(?). But when I installed it, it didn't work, I got only 4 GB.
Long one
I got new RAM,…
2
votes
1 answer
Linux see 20GB ram instead of 24 GB
I used to have two RAM sticks, of 8GB each. I switched one of them for a 16G stick, and expected I would now have a total of 24GB but I have 20GB instead.
The result of free -h:
total used free shared buff/cache …
vdkt
- 23
2
votes
1 answer
How to decipher decode-dimms output
I want to find out real RAM timings.
The stick is 2400Mhz, but memory clock is limited to 2133MHz on this cpu. I can confirm it with:
$ sudo dmidecode
...
Handle 0x0004, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0003
Error…
user452809
1
vote
0 answers
Why is writing to a RAM drive so much slower than expected?
I testing writing data to a RAM drive on my linux machine, and I'm seeing much lower numbers than the RAM speed would suggest. So I would like to ask: why am I seeing slower speeds? Could be that I'm misunderstanding the speed rating, or how RAM…
Rain
- 11
- 1
1
vote
1 answer
How to recover RAM space that should be free?
Many people use ps_mem.py script in order to know how much RAM processes use. In this case the result of the script was something like this:
---------------------------------
278.4 MiB
=================================
So…
Mikhail Morfikov
- 10,549
0
votes
1 answer
What is using my RAM?
My laptop has started swapping like a cat: When I do nothing, it does nothing, but as soon as I do something it starts swapping.
$ free
total used free shared buff/cache available
Mem: 32691536 27932080…
Ole Tange
- 35,514
0
votes
1 answer
RAM used by apps doesn't sum up vs free RAM, why?
I ran some commands (in a script to be fast) and got this:
$ ps -A | wc -l
513
$ echo "$((`ps -A -o rss |tr "\n" +`0))"
4368208
$ free
total used free shared buff/cache available
Mem: 5993608 5157844 …
Aquarius Power
- 4,289
0
votes
0 answers
no free/cached memory and no process consuming it
I can't manage to monitor where my RAM is hidden, it's not buff/cached and I'm not sure to understand the /proc/meminfo data
What is sure is when I top or try to catch processes I can't find more than 3-4 processes that consume 0.1% of my RAM
I…
crumble
- 1
- 1
-4
votes
2 answers
RAM usage issue
I set an alarm on my cell phone that when ever RAM usage exceeds 90% then got an alert. I also made a script to monitor all the memory, CPU, RAM etc.
How can I reduce the RAM usage where I also have a script of clear cache... but I can't run it all…
-9
votes
3 answers
Swap doesn't make sense as RAM graveyard (as RAM is million times faster)
Swap doesn't make sense at all unless you are very low on ram.
disc is 1000000 x slower than RAM
swap makes everything wherefor much slower
It should not be activated at all unless in very last moment when
there is no RAM.
Why? Because RAM is…
wxvbnlz
- 1