All Questions
10 questions
5
votes
1
answer
9k
views
Force a process to only use swap memory?
I have a custom program that performs analysis on some data. This is a very memory-hungry operation that can potentially use thousands of gigabytes of RAM. My computer only has 16gb of RAM, so my only ...
- 393
1
vote
2
answers
4k
views
Linux - Use disk as RAM
I have a VM and in it a process that consumes a lot of memory (~200GB). Some sort of in-memory DB. I need to run it on a standard laptop and I cannot recompile it or see the code.
I've added 256GB of ...
- 121
1
vote
1
answer
282
views
Is distributing load in a balanced way between swap partitions possible?
Let's say I have two swap partitions, /dev/sdb and /dev/sdc, where /dev/sdb is 4 times faster in terms of I/O than /dev/sdc. Is it possible to configure it in such way that when the OS decides that it ...
- 147
4
votes
1
answer
8k
views
Linux swap slowing my system? [closed]
Can swap really slow the system because it uses the hard-disk as a RAM unit ?
I have Fedora 24 (Gnome) here with 8 gigabytes of swap and 6 gigabytes of ram , but i am noticing a very bad conditional ...
- 43
5
votes
0
answers
879
views
How to load entire process memory from swap quickly (linux)?
I run a bunch of CPU-hungry processes in parallel; they normally use a few GB of memory each. From time to time they allocate large amount of memory too (say 150-250GB). Usually at most one of the ...
- 51
0
votes
2
answers
3k
views
Increase Performance by utilizing RAM instead of swap (Windows 8) [duplicate]
My computer is pretty fast, but I feel it may be getting slowed down by putting things in swap which would do better in RAM. I have 16 GB of ram, and even in conditions where only around 3 GB is used, ...
- 103
4
votes
2
answers
164
views
How to load entire program from pagefile quickly?
Sometimes I do not use some programs with high memory usage (e.g. virtual machine with 2 GB of memory) for several days. When I return to it, its memory is mostly swapped onto HDD. When I try to work ...
- 168
0
votes
1
answer
3k
views
Windows 7 Hard fault / Page fault and memory bottleneck
Windows 7 resmon displays 0 hard faults.
But perfmon shows pagefault around 60 and perfmon /report tells me my system swaps actively.
AFAIK not every page fault is hard fault: page could be stored ...
Ilya
2
votes
1
answer
3k
views
Would upgrading memory from 4GB to 8GB on my laptop solve swapping issues?
I have a laptop with 4GB of memory with Windows 7 on it and I often experience with Eclipse that it is swapped out to disk.
On the net they usually write 4GB of RAM is more than enough for average ...
- 2,087
7
votes
3
answers
4k
views
Low RAM in Debian/Ubuntu causes complete hang with disk thrashing
I've been having this severe performance issue, both in Ubuntu 11.10, and Debian Wheezy:
If one process uses up a great deal of RAM (say, 3700 MB out of 3900 MB), the system quickly becomes unusable, ...
- 223