Re: Высокий LA и низкая загруженность CPU

Serg Senko kerncore at gmail.com
Mon Feb 12 18:23:06 MSK 2007


Отпадает уже вижу


On 2/12/07, Serg Senko <kerncore at gmail.com> wrote:
>
>
> А ты не с NFS работаешь ?
>
>
>
> On 2/3/07, Михаил Монашёв <postmaster at softsearch.ru> wrote:
> >
> > Здравствуйте nginx-ru,
> >
> > Сложилась  непонятная  мне  ситуация.  Процессы похоже чего-то ожидают
> > постоянно.  Подскажите  пожалуйста,  чего  именно они ждут и как можно
> > исправить?
> >
> > >uname -v
> > FreeBSD 6.2-STABLE
> >
> > >vmstat 2
> > procs      memory      page                    disks     faults      cpu
> > r b w     avm    fre  flt  re  pi  po  fr  sr da0 da1   in   sy  cs us
> > sy id
> > 0 12 0 3132612 235568 3533  17   0   0 4034 551   0   0 7681 3736 6746
> > 36 10 54
> > 3 11 0 3197120 210964 6879   0   0   0 4287   0 183   5 30232 20268 7645
> > 27 13 59
> > 1 12 0 3185952 204024 2170   0   0   0 2526   0  34  25 31637 18288 6493
> > 14  8 78
> > 1 11 0 3172796 201860 3100   0   0   0 3840   0  62   7 31437 14755 6638
> > 15  8 77
> > 0 12 0 3138828 218780 3381   0   0   0 5715   0  34   9 31088 13534 5437
> > 18  8 74
> > 0 11 0 3140928 214688 2594   0   0   0 2378   0  76  29 31809 19866 6578
> > 19  7 74
> >
> > >top
> > last pid: 13968;  load averages:  2.60,  2.12,  2.06  up
> > 5+21:31:08  15:27:29
> > 375 processes: 1 running, 374 sleeping
> > CPU states: 13.1% user,  0.4% nice,  4.8% system,  2.0% interrupt, 79.8%idle
> > Mem: 2183M Active, 1396M Inact, 256M Wired, 153M Cache, 112M Buf, 21M
> > Free
> > Swap: 6144M Total, 6552K Used, 6137M Free
> >
> > PID THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU COMMAND
> > 13956   1   4    0 37276K 33188K accept 2   0:02   7.28% httpd
> > 13958   1   4    0 22496K 21448K accept 0   0:01  5.52% httpd
> > 25351  32  96    0   209M   152M ucond  0  74:10  3.71% mysqld
> > 13862   1   4    0 15800K 14944K accept 2   0:04  3.04% httpd
> > 13896   1   4    0 14624K 13768K accept 2   0:03   2.57% httpd
> > 13849   1   4    0 37248K 33260K accept 0   0:02  0.93% httpd
> >
> >
> > >systat -vm
> >    2 users    Load  2.66  2.18  2.16                   3 фев 15:29
> >
> > Mem:KB    REAL            VIRTUAL                       VN PAGER   SWAP
> > PAGER
> >        Tot   Share      Tot    Share    Free           in   out     in
> > out
> > Act 2267216  178724  3182748   195584  190428  count
> > All 2420620  190476  5422480   213464          pages
> > Proc:                                                            Interrupts
> >
> > r   p   d   s   w   Csw  Trp  Sys  Int  Sof  Flt     70 cow    8097
> > total
> > 1       5 350       11k 6218  31k  63k 1385 4964   4852 zfod        em0
> > irq30
> >                                                     4811 ozfod    97
> > ahd1 irq49
> > 6.3%Sys   1.5%Intr 15.8%User  0.0%Nice 76.4%Idle      99%ozfod
> > ahd0 irq50
> > |    |    |    |    |    |    |    |    |    |    |       daefr  4000
> > cpu0: time
> > ===+>>>>>>>>                                            6 prcfr
> > cpu3: time
> >                                       465 dtbuf     4616 totfr
> > cpu1: time
> > Namei     Name-cache   Dir-cache    100000 desvn          react  4000
> > cpu2: time
> >   Calls    hits   %    hits   %     63092 numvn          pdwak
> >   12007   11941  99                 24833 frevn          pdpgs
> >                                                          intrn
> > Disks   da0   da1   da2                            263808 wire
> > KB/t  14.93 50.25 55.04                            2252644 act
> > tps      27    11     5                           1398252 inact
> > MB/s   0.40  0.56  0.27                            145564 cache
> > %busy    11    11     4                             44864 free
> >                                                   114784 buf
> >
> > >sysctl -a | grep kern.polling
> > kern.polling.idlepoll_sleeping: 1
> > kern.polling.stalled: 4
> > kern.polling.suspect: 839617
> > kern.polling.phase : 0
> > kern.polling.enable: 0
> > kern.polling.handlers: 1
> > kern.polling.residual_burst: 0
> > kern.polling.pending_polls: 0
> > kern.polling.lost_polls: 1160401
> > kern.polling.short_ticks: 2457
> > kern.polling.reg_frac: 20
> > kern.polling.user_frac: 50
> > kern.polling.idle_poll: 0
> > kern.polling.each_burst: 5
> > kern.polling.burst_max: 150
> > kern.polling.burst: 145
> >
> > >netstat -m
> > 1957/1013/2970 mbufs in use (current/cache/total)
> > 790/372/1162/33792 mbuf clusters in use (current/cache/total/max)
> > 790/304 mbuf+clusters out of packet secondary zone in use
> > (current/cache)
> > 0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max)
> > 0/0/0/0 9k jumbo clusters in use (current/cache/total/max)
> > 0/0/0/0 16k jumbo clusters in use (current/cache/total/max)
> > 2069K/997K/3066K bytes allocated to network (current/cache/total)
> > 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
> > 0/0/0 requests for jumbo clusters denied (4k/9k/16k)
> > 783/1662/8704 sfbufs in use (current/peak/max)
> > 0 requests for sfbufs denied
> > 0 requests for sfbufs delayed
> > 2318691 requests for I/O initiated by sendfile
> > 11993 calls to protocol drain routines
> >
> > >iostat 2
> >      tty             da0              da1              da2
> > cpu
> > tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in
> > id
> >   0  143 18.36  42  0.74  46.19  23  1.03  49.24  13  0.65  22 13  9  2
> > 54
> >   0  207 20.15  26  0.51   0.00   0  0.00  36.17  11  0.41  17  1  9  0
> > 73
> >   0  496 19.40  42  0.80  65.78   4  0.29  25.59  48  1.21  21  1 10  1
> > 68
> >   0  404 16.57  54  0.88  50.00   4  0.20  42.18   5  0.23  20  0  6  1
> > 73
> >   0  313  9.56  41  0.38   0.00   0  0.00  49.23   6  0.31  23  0  6  1
> > 70
> >   0   38 15.22  33  0.50  45.89  38  1.70  24.00   2  0.05  17  0  9  0
> > 73
> >   0  404 21.76  41  0.88  51.76  25  1.29  58.67   6  0.34  12  0  8  1
> > 79
> >
> > >netstat -Lan | grep 80
> > tcp4  0/0/128        127.0.1.18.80
> > tcp4  10/0/128       127.0.1.17.80
> > tcp4  0/0/128        127.0.1.16.80
> > tcp4  0/0/128        127.0.1.15.80
> > tcp4  0/0/128        127.0.1.14.80
> > tcp4  0/0/128        127.0.1.13.80
> > tcp4  0/0/128        127.0.1.12.80
> > tcp4  0/0/128        127.0.1.10.80
> > tcp4  0/0/128        127.0.1.11.80
> > tcp4  0/0/128        127.0.1.8.80
> > tcp4  0/0/128        127.0.1.5.80
> > tcp4  0/1/128        127.0.1.6.80
> > tcp4  0/0/128        127.0.1.4.80
> > tcp4  0/0/128        127.0.1.2.80
> > tcp4  0/0/128        217.16.26.114.80
> > tcp4  0/0/128        217.16.27.103.80
> > tcp4  0/0/128        217.16.27.104.80
> >
> >
> > С уважением,
> > Михаил Монашёв, SoftSearch.ru
> > Member of Independent Software Developers Forum (ISDEF)
> > mailto: postmaster at softsearch.ru
> > ICQ# 166233339
> > http://softsearch.ru/
> > Без бэкапа по жизни.
> >
> >
> >
>
>
> --
> ttyv0 "/usr/libexec/gmail Pc"  webcons on secure




-- 
ttyv0 "/usr/libexec/gmail Pc"  webcons on secure
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://nginx.org/pipermail/nginx-ru/attachments/20070212/2aa48a90/attachment.html>


More information about the nginx-ru mailing list