웹서버에 요즘 사용자가 많이 몰리고 있는데, 시스템이 버티질 못하고 자꾸
멈춰버립니다.
P-III 550 dual에 256MB 메모리 4개를 쓰고 있습니다.
"무슨일이 일어나고 있기에..?" 하는 생각에 접속을 하려고 하면,
[wowmaster@wow3 wowmaster]$ su -
Password:
bash: fork: Resource temporarily unavailable
bash#
와 같은 에러메시지와 함께 root로 들어갈수도 없구요 T_T
그래서 이것저것 해본 결과인데요.. 이걸 어찌해야 할지요.
[wowmaster@wow3 wowmaster]$ ps -ef|grep sql|wc
2046 18415 165702
[wowmaster@wow3 wowmaster]$ free
total used free shared buffers cached
Mem: 1036184 309740 726444 64688 147936 42396
-/+ buffers/cache: 119408 916776
Swap: 530104 0 530104
[wowmaster@wow3 wowmaster]$ vmstat 5 5
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
2 0 0 0 728468 147936 42396 0 0 0 3 430 375 10 16 74
2 0 0 0 728468 147936 42396 0 0 0 12 7643 157 8 92 0
3 0 0 0 727476 147936 42396 0 0 0 7 9154 177 9 91 0
2 0 0 0 728460 147936 42396 0 0 0 20 7953 167 9 91 0
2 0 0 0 728460 147936 42396 0 0 0 3 8750 159 8 92 0
그리고 mysql을 시작하는 스크립트는
/usr/local/bin/mysqladmin shutdown
/usr/local/bin/safe_mysqld -O max_connections=4096 -O max_connect_errors=999999999 &
입니다.
커널은 현재 2.2.14 버젼을 쓰고 있구요
마지막으로 이 화면을...
[wowmaster@wow3 wowmaster]$ ps -ef|grep sql
root 657 1 0 Aug03 pts/0 00:00:00 sh /usr/local/bin/safe_mysqld -O
root 670 657 0 Aug03 pts/0 00:00:28 /usr/local/libexec/mysqld --base
root 672 670 0 Aug03 pts/0 00:00:31 /usr/local/libexec/mysqld --base
root 673 672 0 Aug03 pts/0 00:00:19 /usr/local/libexec/mysqld --base
root 22428 672 95 07:20 pts/0 02:23:40 /usr/local/libexec/mysqld --base
root 22429 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22430 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22431 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22432 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22433 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22434 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22435 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22436 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22440 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22441 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22442 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22443 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22445 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22446 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22453 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22454 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22455 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22457 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22460 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22465 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22467 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22469 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22470 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22471 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22472 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22474 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22476 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22477 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22478 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22479 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22480 672 0 07:20 pts/0 00:00:00 /usr/local/libexec/mysqld --base
root 22484 672 0 07:21 pts/0 00:00:00 /usr/local/libexec/mysqld --base
.
.
.
(계속)
-_-;
그럼 무지한 저에게 빛을...
즐거운 하루되세요.
|