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-1
votes
3answers
36 views

Linux makes cache for swap. what for?

It looks like joke: swapfile on "ramdysk" in 64bits system? I look into file: /proc/meminfo and made some investigation. Look for line: SwapCached: nnnnn kB . One is what I don't understand. ...
1
vote
1answer
265 views

Swapping IP addresses between two domain controllers

On our VMWare ESXi environment is a single domain controller (Windows Server 2008R2) installed. Now I have to upgrade it to a new server (Windows Server 2012R2) which should has the same IP. Many ...
0
votes
2answers
93 views

Our Red Hat Enterprise 5 Server is swapping itself to death - need a plan for detecting the cause

At seemingly random intervals, the memory usage on our server is increasing over the maximum available and swapping until the CPU usage is also 100%. It then starts killing off processes when it runs ...
0
votes
1answer
120 views

Ubuntu - how to determine cause for server swaps?

One of my servers is crashing once in a few days. It does web serving + some background jobs like XML file processing. If you look at the screenshot http://awesomescreenshot.com/075xmd24 you'll see ...
-1
votes
1answer
219 views

Windows, File share - abysmally slow and swapping?

Given: A server with 2008 R2 Standard. 16 GB RAM in use for Hyper-V and OS, very low activity. A separate RAID 5 for files, on it 500gb files (1.5 gb/file about) A process on another machine reading ...
1
vote
7answers
2k views

My server is swapping, how can I fix it?

I am using slicehost.com 256MB hosting for my site. Unfortunately it is swapping almost all the time. When I type in console free i get something like: total used free ...
1
vote
3answers
1k views

Amazon EC2 swap file

I have created 14GB swap file in Amazon EC2 server but the swap file which I created is not being used by the server. The status is showing like this: $ free -m total used ...
2
votes
3answers
2k views

mdadm: Swapping out small hard drives for bigger ones in a RAID5, How to partition?

So I got the gist of swapping out smaller hard drivers for bigger ones in an MDADM RAID5: Fail and remove one drive. mdadm -f /dev/md0 /dev/sdd1 mdadm -r /dev/md0 /dev/sdd1 Shutdown, swap the ...
1
vote
1answer
141 views

Is the memory which is transferred to swap due to swappiness still cached in the physical memory?

Is the memory which is transferred to swap due to swappiness still cached in the physical memory (until it is invalidated there)?
4
votes
4answers
2k views

When is swap moved back to physical memory?

When is swap moved back to physical memory in Linux? Is it only on demand, ie. when it's needed? Or is swap slowly transfered to physical memory when the computer is not on high load?
2
votes
5answers
327 views

A button to set all processes to on-hold for Linux?

When Linux starts swapping you're basically doomed. Very soon the system won't react to any input any more, but happily swap on until the end of days... Can you think of a command that holds all ...
13
votes
1answer
4k views

deleting linux cached ram

I have a webserver that has 8GB of ram and is running a pretty intensive php site (1 site) that does file manipulation, graphing, emailing, forums, you name it. The environment is far from static ...