Linked Questions
19 questions linked to/from Why most people recommend to reduce swappiness to 10-20?
16
votes
7
answers
23k
views
Cached Memory Takes all the memory
I've switched to Ubuntu just a couple of months ago. Some days ago, I found out that the system is storing cache in memory which is occupying a lot of space and although I'm getting the benefit of ...
- 289
18
votes
4
answers
21k
views
Why is the default swappiness 60? What would be the effect if I lower the swappiness value for my desktop PC?
I was reading about swappiness in various forums and I saw some videos. Many stated that it's a good thing for desktop users to decrease the swappiness value below 60 (which is the default). Some ...
- 9,790
3
votes
3
answers
13k
views
Why does my system use so much cache?
Previously, on my desktop computer running Ubuntu 14.04, I had 4GB RAM, which I thought should be plenty. However, after being on for a while, my computer would seem to get slow. I have a system ...
- 6,849
4
votes
3
answers
13k
views
How to solve ram usage excessive on Ubuntu 18.04.2 LTS
My laptop: 4gb Ram, CPU Intel Core i5 6200. os: Ubuntu 18.04.2 LTS. I have a problem with ram usage excessive. When i close app, ram no change. so my laptop lag and run so slow. You can help me?
5
votes
4
answers
9k
views
New 18.04 using 2 GB of RAM
I have a 4GB RAM laptop. During last week, my system was freezing a lot. When I checked the stats, it said 2 GB or RAM and 1 GB cache is in use. The load is some 1.2 or similar. So I reinstalled 18.04 ...
- 4,089
9
votes
1
answer
7k
views
Why is swappiness=10 recommended?
A value of swappiness=10 is recommended in Ubuntu's SwapFaq.
Why is a value of 10 is recommended rather than swappiness=0?
Are there any pros of 10 or cons of zero?
- 93
5
votes
1
answer
5k
views
Swap on SSD: partition or file?
I'm installing Ubuntu on a Samsung evo 850 SSD drive. System has 4GB memory but no other harddrive. Should I use thedefault partition table or install without swap and make a swap file after ...
- 129
2
votes
3
answers
6k
views
No 100% Memory Usage
I've 4 GiB RAM, and System Monitor shows 3.8 GiB. I think 200 MiB is for GPU. But I've never seen Memory usage more than 3.0 GiB. If memory usage is close to 3 GiB, it uses Swap, and when it reaches ...
- 183
0
votes
3
answers
9k
views
Why Does Ubuntu use so much ram?
I'm new to Linux and just installed Ubuntu.
I'm really enjoying it, so far.
But the ram usage is quite high, I think?
The system is using 3.1GB RAM while I'm just browsing the internet.
Is this normal,...
- 27
1
vote
3
answers
11k
views
How to reduce swap usage? (SSD) [duplicate]
I usually sleep my laptop. After waking, the swap usage has increased.
- 901
2
votes
4
answers
2k
views
Would I benefit from reducing, or increasing swappiness?
I've read a few articles now about changing the swappiness level on Ubuntu to possibly increase performance. But I'm very unfamiliar with how swappiness works, would I benefit from increasing, or ...
- 2,770
0
votes
2
answers
3k
views
How to swap more often
My PC has swappiness set to 60.
cat /proc/sys/vm/swappiness
60
Even so, swap only occurred when the PC runs out of RAM. So, every time I fill the RAM, it stops responding for a while while it is ...
- 165
12
votes
1
answer
2k
views
How to prevent my system from becoming unresponsive when thrashing (out of RAM)?
I have 8GB of RAM, but sometimes I'm running a couple VMs and enough Chrome processes to use up most of my memory. That's usually fine, but sometimes my system starts thrashing, and it's difficult ...
- 719
2
votes
1
answer
2k
views
System freezes when RAM limit reached, doesn't use swap
I have a 16GB RAM system and whenever I hit the limit of RAM the whole system freezes even the mouse cursor starts to become jittery until it doesn't move at all. Keyboard, mouse, nothing. So I am ...
- 23
0
votes
1
answer
2k
views
Is it possible to limit cache memory to a process?
I am using network capture tool named dumpcap and it is consuming too much cache memory.
So other processes getting no memory to run.
htop command shown cache memory as 29 GB in Meters.
Can ...
