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如题,服务器是dell2650双至强2.4Ghz CPU,2G内存。SCSI硬盘没做RAID,系统为RHAS3,主要跑一个论坛访问量比较大。现在机器负载一直很高,CPU一直在50%以上,这样是否表示机器带不动了要换更好的机器呢?
16:18:28 up 5 days, 9:22, 1 user, load average: 17.99, 10.26, 8.22
440 processes: 414 sleeping, 25 running, 1 zombie, 0 stopped
CPU states: cpu user nice system irq softirq iowait idle
total 80.7% 0.0% 10.7% 0.0% 2.1% 6.3% 0.0%
cpu00 79.2% 0.0% 7.5% 0.0% 6.6% 6.6% 0.0%
cpu01 80.3% 0.0% 12.1% 0.0% 0.9% 6.5% 0.0%
cpu02 85.0% 0.0% 9.3% 0.0% 0.0% 5.6% 0.0%
cpu03 78.5% 0.0% 14.0% 0.0% 0.9% 6.5% 0.0%
Mem: 2055440k av, 2028688k used, 26752k free, 0k shrd, 30396k buff
1541232k actv, 290644k in_d, 30040k in_c
Swap: 2096472k av, 219220k used, 1877252k free 803016k cached
# vmstat 5 5
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy id wa
22 6 219220 25200 49056 948332 2 1 1 0 0 0 0 0 0 0
2 2 219220 26116 49412 962984 4 0 3184 179 3600 3412 65 6 9 20
0 5 219220 26500 49632 974712 3 0 2376 168 2471 2677 49 5 23 22
13 3 219220 18608 49772 989628 1 0 3094 162 2594 2532 45 6 23 25
4 0 219220 27380 49908 993340 2 0 1897 158 2729 2768 60 11 14 14
Apache进程数也很多
# ps aux |grep httpd |wc -l
253
另外发现有些SYN_RECV的连接,是否跟这个有关。请各位帮忙看下..
[ 本帖最后由 luocy2008 于 2007-3-23 16:19 编辑 ] |
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