On Mon, 23 May 2011, Michael Schumacher wrote:
> To: CentOS mailing list <centos@xxxxxxxxxx>
> From: Michael Schumacher <michael.schumacher@xxxxxxxx>
> Subject: Re: SSD for Centos SWAP /tmp & /var/ partition
>
> Keith,
>
> On Friday, May 20, 2011 you wrote:
>
>> I'm wondering if it would be a good idea to use a new SSD
>> for moving all the disk i/o to, that Linux likes to do so
>> often. Plus putting SWAP onto a decent SSD should speed
>> things up somewhat.
>
> As far as I understand, SSD are fast at reading and slow at writing.
> They are strong if data rarely changes and if it is mainly read like root
> partitions.
>
> This may be useful for webservers that hold the content in /var/www.
>
> Putting your often changing data like swap and /var/log on a SSD may
> slow down your system.
>
> A swap partition is used to save expensive RAM. Don't use much more
> expensive FLASH-ROM to replace it.
>
> Beside that, if your system is heavily swapping, a SSD will wear out
> quickly.
OK Michael. Thankyou for that - I understand what you are
saying.
Regards,
Keith
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