Ever since machines had 4G or more I stopped configuring any swap at all. I have had zero swap on any server or desktop in years. For that matter I don't have any swap on my 1G and 2G netbook and ultraportable either. -- bkw On 6/26/2013 10:12 AM, Lew Wolfgang wrote:
Hi Folks,
Back in the '80s we configured swap space to be 1.5 x RAM as a rule of thumb. But I'm configuring 6 boxes now that contain 64-GB of RAM and I'm wondering if swap should be anything close to 96-GB. The boxes have only 128-GB of SSD for the operating system, so I'd like to minimize swap as much as possible.
As background, these devices will be used as dedicated data acquisition devices. They will pump data from four Gig-E Ethernet ports and store it all in a 24-disk RAID-6 array. Preliminary measurements show we should be able to maintain continuous throughput until the RAID is full.
So, any opinions on swap size in relation to RAM?
Thanks, Lew
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