Linux divides its physical RAM (random access memory) into chucks of memory called pages. Swapping is the process whereby a page of memory is copied to the preconfigured space on the hard disk, called swap space, to free up that page of memory. The combined sizes of the physical memory(RAM) and the ...

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9
votes
10answers
7k views

How big should the swap partition be?

for some years, I've read that it's a good idea to create a swap partition having the double space of my RAM. does it still apply today? or this isn't needed anymore? I have a server with 8 GiB of ...
7
votes
4answers
12k views

How do I change swap partition in Linux?

How do I change swap partition in Linux? If I currently use /dev/hda3 for swap, and I rather would like to use /dev/hda4, which steps should I go through?
4
votes
1answer
2k views

Swap file for a Hyper-V host

We have a machine running Windows 2008 Enterprise with the Hyper-V Server role. The machine has 48 GB of RAM, and a RAID1 of just 74 GB. The VMs are stored on a SAN. My question is, does the Hyper-V ...
3
votes
4answers
624 views

What size relative to amount of memory should the page file be (in Windows Server 2008)?

I have heard the old advice for Windows NT 4 which, if memory serves, was a rule of thumb "memory size plus 12 MB" (so that a complete dump could be written to disk). Does anybody have any ...
2
votes
5answers
6k views

Solaris Unix systems swapping & blocked processes

Some users are complaining of poor performance on a brand new server. The only running on this machine is Oracle 10.2. At first glance everything looks ok: load is minimal, nothing in logs. The only ...
-1
votes
2answers
135 views

How to control the swap drive (X:\drive) usage?

I am not really a network administrator but my company has LAN which has around 1500 computers. The offices are located in various geographical locations. The problem we face is that the use of swap ...
44
votes
12answers
32k views

How much SWAP space on a high memory system?

How should I decide what size to make my swap size on a new linux machine (Debian) with a reasonably large amount of Ram (2-4 GB)? Do I really need swap space defined?