Re: Swap configuration for 16GB of RAM, 8 cores
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On 07/31/07 15:18, agenkin@gmail.com wrote:
> I am installing two servers, each with 16GB of RAM, two quad-core Xeon
> processors, and a SATA hard drive. The machines will be compute
> servers, meaning lots of concurrently logged in users, each running
> an assortment of jobs, and various long-running processes. The jobs
> will be
> vastly dissimilar with regards to using the memory, disk, and CPU, and
> to
> their run time, so the configuration should be generic, general
> purpose.
>
> What are the current best practices with regards to swap partitions?
> Is it
> better to create one big, or several smaller swap partitions? Is the
> rule
> of thumb still RAM*2 for the total size?
>
> We are running Debian 4.0/Etch with the stock -i686-bigmem kernel.
>
> Any input or pointers will be highly appreciated!
Create swap *files* instead. See "man mkswap" for the technique.
Put them on /.
That way, if you happen to need more swap at a moment's notice, you
can have a GB of swap within 5 minutes.
- --
Ron Johnson, Jr.
Jefferson LA USA
Give a man a fish, and he eats for a day.
Hit him with a fish, and he goes away for good!
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