I would suggest disabling swap at all. With 1.5Tb of RAM I doubt you
need any.
You can try finding out what is swapped by `smem` utility. May be you
can live we those files swapped out of memory.
Anyway, I doubt swappiness tuning will help you.
Look through: https://www.kernel.org/doc/Documentation/sysctl/vm.txt
Set swappiness to 0.
On 16.02.2017 08:40, omkar_jadhav_20 wrote:
Hi,
We are using nginx/1.10.2 as web server on centos and redhat Linux 7.2 OS.
We are getting issues of getting our SWAP fully utilized even though we have
free memory , vm.swapiness is kept as default i.e. 60.
below are memory details for your reference :
# free -g
total used free shared buff/cache
available
Mem: 1511 32 3 361 1475
1091
Swap: 199 199 0
Please suggest method by which we can avoid swap full scenario. also let us
know what should be vm.swapiness value for high load nginx web server. Also
let us know any other sysctl parameters to improve nginx performance.
Posted at Nginx Forum:
https://forum.nginx.org/read.php?2,272446,272446#msg-272446
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