[FUG-BR] Servidor com load altíssimo

[Marcelo Gondim]

Em 06/07/2012 03:27, nervoso escreveu:
> Ok..
>
> eu tentaria, na sequencia.....
> 1) pkg_delete -a
> 2) portsnap fetch extract
> 3) cd /usr/ports/ports-mgmt/portmaster
> 4) make install clean
> 5) portmaster shells/bash www/apache22 lang/php5-extensions
> 6) editar arquivos de configureacao de boot/runtime = /etc/sysctl,conf
> e /boot/loader.conf
> 7) reboot
>
> comentarios:
> pkg_delete -a REMOVE TODOS OS PACKAGES!!!!
> Parece ser um problema de thread (lock...)
> eu colocaria no kernel (no source... as opcoes:
> options 	NO_ADAPTIVE_MUTEXES
> e construiria um kernel a partir dai...
>
> recompilando o software na maquina que esta rodando,
> faz com que o sistema compile com as opcoes certas do sistema
> operacional
> em uma maquina destas, vai demora uns 20 minutos...
>
> Preste atencao as opcoes que o portmaster vai pedindo a media que
> configura o sistema..  configure sómente o necessário
>
> Veja no sistema operacional se nao falta semaforos, ou shared memory....
>
> no meu sysctl.conf está assim:
>
> kern.ipc.shmmax=4294967296
> kern.ipc.shmall=1048576
> kern.maxfiles=120000
> ======================
> no loader.conf.....
> kern.ipc.semmap= 256
> kern.ipc.shmmni=1024
> kern.ipc.semmni=1024
> kern.ipc.semmns= 10240
> kern.ipc.semmnu= 4800
> kern.ipc.semmsl= 256
> kern.ipc.semume= 128
> vfs.zfs.prefetch_disable=1
>
> =======================
>
> Atente para o fato tb que eu desligaria o read ahead do ZFS...
> (sysctl.conf, opcao vfs.zfs.prefetch_disable=1)
>
> espero que ajude...
>
> -------------------------
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>
Nervoso nada ainda.  :(

last pid:  5701;  load averages: 61.84, 41.24, 37.29 up 0+00:37:34  09:38:39
1537 processes:11 running, 1526 sleeping
CPU:  0.3% user,  0.0% nice, 95.3% system,  0.1% interrupt,  4.2% idle
Mem: 1833M Active, 2337M Inact, 1831M Wired, 84K Cache, 17G Free
Swap: 4096M Total, 4096M Free

   PID USERNAME  THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU COMMAND
  3354 www         1  20    0   260M 15296K ls_loc 16   0:24 19.29% httpd
  5128 www         1  20    0   260M 15272K ls_loc  8   0:02 16.26% httpd
  5673 www         1  20    0   260M 15080K ls_loc 18   0:04 16.06% httpd
  4552 www         1  20    0   260M 15340K ls_loc 21   0:13 15.87% httpd
  3737 www         1  20    0   260M 15696K ls_loc 16   0:20 15.58% httpd
  5188 www         1  20    0   260M 16120K ls_loc 10   0:03 15.58% httpd
  5414 www         1  20    0   260M 15196K ls_loc  6   0:02 15.58% httpd
  5213 www         1  20    0   260M 15104K ls_loc 19   0:03 15.38% httpd
  3107 www         1  20    0   260M 15376K lockf  14   0:23 14.36% httpd
  3383 www         1  20    0   260M 15620K ls_loc 21   0:24 13.87% httpd
  4543 www         1  20    0   260M 15712K ls_loc 19   0:13 13.87% httpd
  5568 www         1  20    0   260M 15340K ls_loc 22   0:02 13.77% httpd
  2630 www         1  41    0   139M 12604K ls_loc  2   0:19 13.57% httpd
  5244 www         1  20    0   260M 15136K ls_loc  8   0:02 13.28% httpd
  5148 www         1  20    0   260M 15108K ls_loc  1   0:02 13.28% httpd
  5070 www         1  20    0   260M 15264K ls_loc 17   0:02 12.79% httpd
  2869 www         1  20    0   260M 15876K lockf   3   0:23 12.60% httpd
  5221 www         1  20    0   260M 15104K ls_loc 15   0:03 12.26% httpd
  2313 www         1  20    0   260M 15828K ls_loc  2   0:19 12.16% httpd
  4912 www         1  20    0   260M 15316K ls_loc 21   0:08 12.16% httpd
  5654 www         1  20    0   260M 15252K ls_loc 12   0:02 11.67% httpd