Nginx-1.6.0 Swapping

I have recently upgraded to Nginx-1.6.0 from 1.4.2 and I am seeing that
Nginx is swapping a lot. I have tried reducing vm.swappiness=0 but has
not
worked. This continues to happen on multiple servers that are running
Nginx-1.6.0:

s, 1:16, 2 users, load average: 1.38, 2.32, 4.32
Tasks: 467 total, 1 running, 466 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.2%us, 0.1%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si,
0.0%st
Mem: 98993228k total, 59237804k used, 39755424k free, 1715940k buffers
Swap: 101056504k total, 17723588k used, 83332916k free, 16982492k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP
COMMAND
9249 nobody 15 0 7921m 407m 72m S 0.0 0.4 1:21.90 7.3g nginx
14934 nobody 15 0 7909m 428m 52m S 0.0 0.4 3:05.12 7.3g nginx
14935 nobody 15 0 7909m 452m 74m S 0.0 0.5 3:04.70 7.3g nginx
29695 nobody 15 0 7890m 482m 100m S 0.0 0.5 3:54.83 7.2g nginx
17901 nobody 15 0 7884m 497m 98m S 0.0 0.5 3:41.51 7.2g nginx
12293 nobody 15 0 7887m 838m 31m S 0.0 0.9 4:23.38 6.9g nginx
27458 nobody 15 0 7884m 1.2g 77m S 0.0 1.2 4:23.78 6.5g nginx
26695 nobody 15 0 7917m 1.4g 29m S 0.0 1.5 0:49.17 6.4g nginx
21791 nobody 15 0 7915m 1.4g 79m S 0.0 1.5 2:05.57 6.3g nginx
6857 nobody 15 0 7886m 1.4g 125m S 0.0 1.5 3:20.58 6.3g nginx
2120 nobody 15 0 7909m 1.5g 158m S 0.0 1.6 3:28.69 6.3g nginx
2112 nobody 15 0 7909m 1.5g 179m S 0.0 1.6 3:31.30 6.2g nginx
1597 nobody 15 0 7884m 1.5g 56m S 0.0 1.6 4:24.95 6.2g nginx
16478 nobody 15 0 7917m 1.7g 158m S 0.0 1.8 1:12.24 6.1g nginx
3889 nobody 15 0 7884m 1.7g 35m S 0.0 1.8 4:18.66 6.0g nginx
17691 nobody 15 0 7906m 1.7g 88m S 0.0 1.8 3:24.67 6.0g nginx
3856 nobody 15 0 7915m 1.8g 29m S 0.0 1.9 2:00.30 6.0g nginx
16799 nobody 15 0 7884m 1.8g 46m S 0.0 1.9 3:35.74 5.9g nginx
29839 nobody 15 0 7887m 1.8g 85m S 0.0 2.0 3:52.09 5.9g nginx
20319 nobody 15 0 7890m 1.9g 27m S 0.0 2.0 3:16.10 5.8g nginx
670 nobody 15 0 7923m 2.0g 145m S 0.0 2.2 0:22.51 5.7g nginx
7933 nobody 15 0 7908m 2.1g 142m S 0.0 2.2 3:10.39 5.6g nginx
18860 nobody 15 0 7920m 2.2g 600 S 0.0 2.3 0:00.14 5.6g nginx

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,250327,250327#msg-250327

Hello!

On Fri, May 23, 2014 at 12:31:23PM -0400, loki wrote:

I have recently upgraded to Nginx-1.6.0 from 1.4.2 and I am seeing that
Nginx is swapping a lot. I have tried reducing vm.swappiness=0 but has not
worked. This continues to happen on multiple servers that are running
Nginx-1.6.0:

First of all, please show “nginx -V” output and a configuration
you are using (or, better, minimal configuration you are able to
reproduce the problem with). Please also note that if you are
using 3rd party modules, next thing you’ll be asked about is to
try to reproduce the problem without them.

Some further debugging hints can be found here:
http://wiki.nginx.org/Debugging


Maxim D.
http://nginx.org/

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