Re: Fwd: Active connections: 1000 и скорость падает

Stephan Miyalik s0527705277 на gmail.com
Вс Ноя 6 19:31:29 UTC 2011


вот что выдало

PRC | sys   3.32s | user   0.46s | #proc    576 | #zombie    0 | #exit
 0 |
CPU | sys     23% | user      6% | irq      48% | idle    498% | wait
24% |
cpu | sys     11% | user      2% | irq      50% | idle     28% | cpu000 w
 9% |
cpu | sys      8% | user      4% | irq       0% | idle     77% | cpu001 w
10% |
cpu | sys      1% | user      0% | irq       0% | idle     99% | cpu004 w
 0% |
cpu | sys      0% | user      0% | irq       0% | idle    100% | cpu005 w
 0% |
cpu | sys      2% | user      0% | irq       0% | idle     94% | cpu002 w
 4% |
cpu | sys      1% | user      0% | irq       0% | idle     99% | cpu003 w
 1% |
CPL | avg1   0.42 | avg5    0.43 | avg15   0.45 | csw    24966 | intr
 424067 |
MEM | tot   15.5G | free   84.8M | cache  11.8G | buff    0.0M | slab
 2.7G |
SWP | tot    8.0G | free    8.0G |              | vmcom   1.2G | vmlim
 15.7G |
PAG | scan  75612 | stall      0 |              | swin       0 | swout
 0 |
DSK |         sda | busy     33% | read     512 | write      3 | avio    6
ms |
DSK |         sdb | busy     23% | read     383 | write      0 | avio    6
ms |
DSK |         sdc | busy     12% | read     188 | write      0 | avio    7
ms |
DSK |         sdd | busy     10% | read     152 | write      0 | avio    6
ms |
NET | transport   | tcpi  314462 | tcpo  519719 | udpi       0 | udpo
0 |
NET | network     | ipi   314452 | ipo   559134 | ipfrw      0 | deliv
314452 |
NET | eth0    66% | pcki  314473 | pcko  559128 | si   15 Mbps | so  665
Mbps |

  PID  SYSCPU  USRCPU  VGROW  RGROW  RDDSK  WRDSK  ST EXC S  CPU CMD
1/10
   87   0.08s   0.00s     0K     0K     0K     0K  --   - S   1% kswapd0
 3770   0.04s   0.01s     0K     0K     0K     0K  --   - R   0% atop
 2533   0.04s   0.00s     0K     0K  2348K     0K  --   - S   0% nginx
 3447   0.02s   0.01s     0K     0K  2484K     0K  --   - S   0% nginx
 3628   0.02s   0.01s     0K     0K  3476K     0K  --   - S   0% nginx
 3543   0.03s   0.00s  1024K  1024K  1108K     0K  --   - S   0% nginx
 3490   0.02s   0.01s     0K     0K  2048K     0K  --   - S   0% nginx
 3511   0.03s   0.00s     0K     0K  4096K     0K  --   - S   0% nginx
 2514   0.03s   0.00s     0K     0K     0K     0K  --   - S   0% nginx
 2521   0.03s   0.00s     0K     0K     0K     0K  --   - S   0% nginx
 2439   0.03s   0.00s     0K     0K     0K     0K  --   - S   0% nginx
 2427   0.02s   0.01s     0K     0K     0K     0K  --   - S   0% nginx
 2419   0.02s   0.01s     0K     0K   212K     0K  --   - S   0% nginx
 2545   0.03s   0.00s     0K     0K  6144K     0K  --   - S   0% nginx
 2479   0.03s   0.00s     0K     0K    24K     0K  --   - S   0% nginx
 2444   0.02s   0.01s     0K     0K  2048K     0K  --   - S   0% nginx
 2420   0.03s   0.00s     0K     0K  2048K     0K  --   - S   0% nginx
 2552   0.03s   0.00s     0K     0K    20K     0K  --   - S   0% nginx
 2540   0.02s   0.01s     0K     0K  4072K     0K  --   - S   0% nginx
 2382   0.02s   0.01s     0K     0K     4K     0K  --   - S   0% nginx
 2453   0.02s   0.01s     0K     0K    44K     0K  --   - S   0% nginx
 2364   0.02s   0.01s     0K     0K  3392K     0K  --   - S   0% nginx
 2551   0.03s   0.00s     0K     0K  5116K     0K  --   - S   0% nginx
 2377   0.02s   0.01s     0K     0K  2496K     0K  --   - S   0% nginx
 3442   0.02s   0.00s     0K     0K     0K     0K  --   - S   0% nginx
 3468   0.01s   0.01s     0K     0K     0K     0K  --   - S   0% nginx
 3601   0.01s   0.01s     0K     0K    24K     0K  --   - S   0% nginx
 3497   0.02s   0.00s     0K     0K  1436K     0K  --   - S   0% nginx
 3491   0.02s   0.00s     0K     0K  6072K     0K  --   - S   0% nginx
 3579   0.02s   0.00s     0K     0K  7200K     0K  --   - S   0% nginx
 3615   0.01s   0.01s     0K     0K    28K     0K  --   - S   0% nginx
 3498   0.02s   0.00s     0K     0K   180K     0K  --   - S   0% nginx
 3597   0.02s   0.00s     0K     0K     0K     0K  --   - S   0% nginx
 3632   0.02s   0.00s     0K     0K  4096K     0K  --   - S   0% nginx
 3436   0.01s   0.01s     0K     0K     0K     0K  --   - S   0% nginx
 3495   0.01s   0.01s     0K     0K     0K     4K  --   - S   0% nginx
 3513   0.01s   0.01s     0K     0K     0K     0K  --   - S   0% nginx
 3531   0.02s   0.00s  1028K  1028K     0K     0K  --   - S   0% nginx


2011/11/6 Stephan Miyalik <s0527705277 на gmail.com>

> ок...
>
> вот до и после output_buffers
>
>  eth0  /  traffic statistics
>
>                            rx         |       tx
> --------------------------------------+------------------
>   bytes                     1.64 GiB  |       69.76 GiB
> --------------------------------------+------------------
>           max           16.53 Mbit/s  |   716.89 Mbit/s
>       average           14.42 Mbit/s  |   612.79 Mbit/s
>           min           13.03 Mbit/s  |   549.31 Mbit/s
> --------------------------------------+------------------
>   packets                   28314241  |        50351809
> --------------------------------------+------------------
>           max              34111 p/s  |       61586 p/s
>       average              29648 p/s  |       52724 p/s
>           min              26712 p/s  |       47305 p/s
> --------------------------------------+------------------
>   time                 15.92 minutes
>
> root на debi:~# nano /usr/local/nginx/conf/nginx.conf
> root на debi:~# /usr/local/sbin/nginx  -s reload
> root на debi:~# vnstat -l
> Monitoring eth0...    (press CTRL-C to stop)
>
>    rx:    15.02 Mbit/s 30941 p/s          tx:   641.28 Mbit/s 55267 p/s^C
>
>
>  eth0  /  traffic statistics
>
>                            rx         |       tx
> --------------------------------------+------------------
>   bytes                   980.82 MiB  |       40.47 GiB
> --------------------------------------+------------------
>           max           16.26 Mbit/s  |   687.16 Mbit/s
>       average           14.15 Mbit/s  |   597.69 Mbit/s
>           min           12.59 Mbit/s  |   529.58 Mbit/s
> --------------------------------------+------------------
>   packets                   16507511  |        29201489
> --------------------------------------+------------------
>           max              33553 p/s  |       59056 p/s
>       average              29062 p/s  |       51411 p/s
>           min              25809 p/s  |       45513 p/s
> --------------------------------------+------------------
>   time                  9.47 minutes
>
>
> 2011/11/6 Андрей Василишин <a.vasilishin на kpi.ua>
>
>> 06.11.2011 21:19, Stephan Miyalik пишет:
>>
>>  поставил
>>>             output_buffers 1 1m;
>>> сейчас посмотрим если есть изменения
>>>
>>> но думаю проблема в другом... один раз скорость ели ели доходит до
>>> 250-300мб
>>> а в другой раз вытягивает по 700мб
>>>
>>>
>> Поставьте утилиту atop, она наглядно покажет во что у Вас упирается.
>>
>>
>>
>> --
>> WBR, Andrey Vasilishin CDIG1-UANIC, CDIG1-RIPE
>>
>> ______________________________**_________________
>> nginx-ru mailing list
>> nginx-ru на nginx.org
>> http://mailman.nginx.org/**mailman/listinfo/nginx-ru<http://mailman.nginx.org/mailman/listinfo/nginx-ru>
>>
>
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