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nginx high i/o

Stefanita Rares Dumitrescu
November 20, 2009 06:26PM
hi guys,

i have posted a question a while ago, and now i am coming back once more.

i have now a dual quad core xeon system, running freebsd 7.2 latest
patch level, 64 bit, and 16 gb ram. using the latest nginx-devel.

the OS runs on a ssd, the db is set on a normal drive, and the site
files reside on another ssd.

i had a pretty similar config just instead i was using centos.

the i/o on the main drive (os drive) is constantly at 22 mb/s.

i have disabled nginx logging, and everything has been setup from the
ground. i have no idea why do i get such high i/o, because i have no
other apps that could cause this load.

could you please point me to some direction ? i don't know what to do.

ad4 ad5 ad6
KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s
54.56 428 22.79 0.00 0 0.00 32.89 4 0.14
55.05 492 26.46 0.00 0 0.00 26.38 8 0.21
55.24 452 24.40 0.00 0 0.00 36.36 5 0.20
53.20 457 23.76 22.31 19 0.42 19.88 8 0.16
53.33 464 24.15 0.00 0 0.00 48.47 23 1.11
54.14 403 21.32 0.00 0 0.00 16.18 217 3.43
52.75 406 20.90 0.00 0 0.00 17.49 178 3.04
55.75 402 21.90 0.00 0 0.00 13.42 12 0.16
Subject Author Posted

nginx high i/o

Stefanita Rares Dumitrescu November 20, 2009 06:26PM

Re: nginx high i/o

Maxim Dounin November 20, 2009 07:22PM

Re: nginx high i/o

Stefanita Rares Dumitrescu November 20, 2009 07:44PM

Re: nginx high i/o

Maxim Dounin November 20, 2009 08:06PM

Re: nginx high i/o

Stefanita Rares Dumitrescu November 21, 2009 08:24AM

Re: nginx high i/o

Maxim Dounin November 21, 2009 12:34PM

Re: nginx high i/o

Stefanita Rares Dumitrescu November 21, 2009 01:54PM

Re: nginx high i/o

Gabriel Ramuglia November 21, 2009 04:04PM

Re: nginx high i/o

Stefanita Rares Dumitrescu November 21, 2009 04:48PM

Re: nginx high i/o

Maxim Dounin November 21, 2009 06:00PM

Re: nginx high i/o

Stefanita Rares Dumitrescu November 21, 2009 08:08PM



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