Yes we're using raid-10.
On Tue, Jul 16, 2013 at 10:17 AM, Steve Holdoway <st...@greengecko.co.nz>wrote: > How are you using them?? Raid 10? > > On the offchance, is > > http://www.greengecko.co.nz/content/western-digital-can-i-have-my-2-days-back > relevant? > > Cheers, > > Steve > > On Tue, 2013-07-16 at 10:10 +0500, shahzaib shahzaib wrote: > > We're using 4XSata HDD 7200 rpm and yes it is hardly crossing > > 20MB/sec. Could you please guide me a bit about the Max speed of SATA > > read? > > > > > > Thanks for prompt reply. > > > > > > > > On Tue, Jul 16, 2013 at 10:06 AM, Steve Holdoway > > <st...@greengecko.co.nz> wrote: > > Your disk maxes out at 20MB/sec read? > > > > On Tue, 2013-07-16 at 09:59 +0500, shahzaib shahzaib wrote: > > > Hello, > > > > > > > > > We're using nginx-1.2.8 to serve large static files > > for video > > > streaming. However all nginx worker_processes are in "D" > > state and HDD > > > I/O utilization is 99%. > > > > > > [root@DNTX010 ~]# ps aux |grep nginx > > > root 3046 0.0 0.0 20272 688 ? Ss 20:39 > > 0:00 > > > nginx: master process nginx > > > nginx 3047 3.2 0.9 94480 74808 ? D 20:39 > > 0:03 > > > nginx: worker process > > > nginx 3048 1.4 0.3 52104 31388 ? D 20:39 > > 0:01 > > > nginx: worker process > > > nginx 3049 0.2 0.1 33156 12156 ? S 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3050 0.1 0.1 29968 8844 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3051 0.2 0.1 30332 10076 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3052 2.7 0.8 91788 69504 ? D 20:39 > > 0:02 > > > nginx: worker process > > > nginx 3053 0.3 0.0 25632 5384 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3054 0.2 0.1 36032 15852 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3055 0.4 0.2 37592 17396 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3056 0.2 0.1 32580 11028 ? S 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3057 0.3 0.2 39288 19116 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3058 0.3 0.2 41764 19744 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3059 0.3 0.1 31124 10480 ? D 20:39 > > 0:00 > > > nginx: worker process > > > nginx 3060 1.0 0.3 52736 31776 ? D 20:39 > > 0:01 > > > nginx: worker process > > > nginx 3061 1.1 0.3 51920 29956 ? D 20:39 > > 0:01 > > > nginx: worker process > > > nginx 3062 1.6 0.4 58808 35548 ? D 20:39 > > 0:01 > > > nginx: worker process > > > > > > > > > [root@DNTX010 ~]# iostat -x -d 3 > > > Linux 2.6.32-358.6.2.el6.x86_64 (DNTX010.local) > > 07/16/2013 > > > _x86_64_ (8 CPU) > > > > > > Device: rrqm/s wrqm/s r/s w/s rsec/s > > wsec/s > > > avgrq-sz avgqu-sz await svctm %util > > > sda 30.28 177.37 260.32 2.96 38169.26 > > 1442.70 > > > 150.46 2.29 8.70 3.52 92.78 > > > > > > Device: rrqm/s wrqm/s r/s w/s rsec/s > > wsec/s > > > avgrq-sz avgqu-sz await svctm %util > > > sda 4.33 0.00 544.00 0.00 34376.00 > > 0.00 > > > 63.19 43.83 75.25 1.84 100.00 > > > > > > Device: rrqm/s wrqm/s r/s w/s rsec/s > > wsec/s > > > avgrq-sz avgqu-sz await svctm %util > > > sda 9.00 6.33 547.67 0.67 34637.33 > > 56.00 > > > 63.27 48.01 86.20 1.82 100.00 > > > > > > Device: rrqm/s wrqm/s r/s w/s rsec/s > > wsec/s > > > avgrq-sz avgqu-sz await svctm %util > > > sda 0.00 0.67 568.00 2.33 36024.00 > > 29.33 > > > 63.21 54.98 101.10 1.75 100.00 > > > > > > Device: rrqm/s wrqm/s r/s w/s rsec/s > > wsec/s > > > avgrq-sz avgqu-sz await svctm %util > > > sda 0.00 4.33 560.33 1.33 35712.00 > > 45.33 > > > 63.66 37.20 65.06 1.78 100.00 > > > > > > > > > > > > Nginx.conf : > > > > > > http { > > > include mime.types; > > > default_type application/octet-stream; > > > client_body_buffer_size 128K; > > > sendfile_max_chunk 128k; > > > client_max_body_size 800m; > > > client_header_buffer_size 256k; > > > large_client_header_buffers 4 256k; > > > output_buffers 1 512k; > > > server_tokens off; #Conceals nginx version > > > #access_log logs/access.log main; > > > access_log off; > > > error_log warn; > > > sendfile on; > > > > > > # aio on; > > > > > > # directio 512k; > > > > > > ignore_invalid_headers on; > > > client_header_timeout 3m; > > > client_body_timeout 3m; > > > send_timeout 3m; > > > keepalive_timeout 0; > > > reset_timedout_connection on; > > > } > > > > > > > > > We've also tried enabling aio directive but nothing changed. > > Help will > > > be highly appreciated. > > > > > > > > > Thanks > > > Shahzaib > > > > > > > > > > > _______________________________________________ > > > nginx mailing list > > > nginx@nginx.org > > > http://mailman.nginx.org/mailman/listinfo/nginx > > > > -- > > Steve Holdoway BSc(Hons) MNZCS > > http://www.greengecko.co.nz > > Linkedin: http://www.linkedin.com/in/steveholdoway > > Skype: sholdowa > > > > _______________________________________________ > > nginx mailing list > > nginx@nginx.org > > http://mailman.nginx.org/mailman/listinfo/nginx > > > > > > _______________________________________________ > > nginx mailing list > > nginx@nginx.org > > http://mailman.nginx.org/mailman/listinfo/nginx > > -- > Steve Holdoway BSc(Hons) MNZCS > http://www.greengecko.co.nz > Linkedin: http://www.linkedin.com/in/steveholdoway > Skype: sholdowa > > _______________________________________________ > nginx mailing list > nginx@nginx.org > http://mailman.nginx.org/mailman/listinfo/nginx >
_______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx
