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When should I worry about swap usage?

JoshP
I've installed two new ASG 220s with HA, IPS, and web and email security on.  For the first few days RAM hovered around 65% with no swap usage.  About 5 days in swap usage suddenly jumped to 10%.  About a week later swap jumped to 20%.  3 days later takes us to today, and my swap usage has jumped to 30%.  Over this time RAM usage has been fairly stable, hovering in the mid to high 60s and occasionally hitting low 70s.

Should I be worried about the increase in swap usage?


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  • 0
    why would you want to keep hrad disk allocated when it's an order of magnitude slower than ram?  heading to the disk is always slower than keeping it in ram..jsut the access tiems between hdd and ram potrays this to be true.  vm.swappiness=0 keeps the system away form the hdd as much as you can without seriously digging into the kernel code.  
     
    either way youa vhe not answered the basic question..which processes are slowed down with swappiness set to zero?

    Owner:  Emmanuel Technology Consulting

    http://etc-md.com

    Former Sophos SG(Astaro) advocate/researcher/Silver Partner

    PfSense w/Suricata, ntopng, 

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  • 0
    why would you want to keep hrad disk allocated when it's an order of magnitude slower than ram?  heading to the disk is always slower than keeping it in ram..jsut the access tiems between hdd and ram potrays this to be true.  vm.swappiness=0 keeps the system away form the hdd as much as you can without seriously digging into the kernel code.  
     
    either way youa vhe not answered the basic question..which processes are slowed down with swappiness set to zero?

    Owner:  Emmanuel Technology Consulting

    http://etc-md.com

    Former Sophos SG(Astaro) advocate/researcher/Silver Partner

    PfSense w/Suricata, ntopng, 

    Other addons to follow

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