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CPU Load Very High-超高负载之数据库
周一一大早就发现一个数据库负载超高,性能异常:
4CPU,8G内存,的SUN Fire 480R主机:
# ./prtdiag System Configuration: Sun Microsystems sun4u Sun Fire 480R System clock frequency: 150 MHz Memory size: 8192 Megabytes
========================= CPUs ===============================================
Run E$ CPU CPU Brd CPU MHz MB Impl. Mask --- ----- ---- ---- ------- ---- A 0 1050 8.0 US-III+ 11.0 A 2 1050 8.0 US-III+ 11.0 B 1 1050 8.0 US-III+ 11.0 B 3 1050 8.0 US-III+ 11.0
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现在负载:
load averages: 13.12, 12.60, 12.23 db480-4.hurray.com.cn 09:50:32 184 processes: 166 sleeping, 12 running, 1 stopped, 5 on cpu CPU states: 0.0% idle, 93.6% user, 6.4% kernel, 0.0% iowait, 0.0% swap Memory: 8.0G real, 2.8G free, 4.1G swap in use, 18.1G swap free
PID USERNAME THR PR NCE SIZE RES STATE TIME FLTS CPU COMMAND 11834 oracle 2 22 0 3.1G 3.0G run 12:51 0 7.08% oracle 3876 oracle 2 22 0 3.1G 3.0G run 38.5H 0 6.93% oracle 15876 oracle 2 21 0 3.1G 3.0G run 514:20 0 6.85% oracle 4042 oracle 2 21 0 3.1G 3.0G run 41.3H 0 6.78% oracle 29532 oracle 2 21 0 3.1G 3.0G run 19.4H 0 6.67% oracle 3703 oracle 2 21 0 3.1G 3.0G run 38.5H 0 6.66% oracle 29704 oracle 2 21 0 3.1G 3.0G run 20.9H 0 6.60% oracle 15537 oracle 2 21 0 3.1G 3.0G run 496:48 0 6.57% oracle 15680 oracle 2 31 0 3.1G 3.0G run 496:44 0 6.50% oracle 29375 oracle 2 31 0 3.1G 3.0G run 19.5H 0 6.31% oracle 4033 oracle 2 22 0 3.1G 3.0G run 8:51 0 4.76% oracle 4035 oracle 2 51 0 3.1G 3.0G sleep 8:55 0 4.70% oracle 4046 oracle 2 52 0 3.1G 3.0G cpu03 8:59 0 4.68% oracle 7349 oracle 11 53 0 3.1G 3.0G sleep 8:38 0 4.44% oracle 4055 oracle 2 42 0 3.1G 3.0G cpu02 8:43 0 4.39% oracle
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应用的问题太多了,汗!
By eygle on 2006-01-09 10:30 |
Comments (2) |
Case | 626 |
CaseSQL
这种时侯用otop很容易发现问题的, :)
拒绝广告:D