面试问题

  • linux怎样查看进程资源消耗
top
top - 13:31:18 up 270 days, 23:35,  1 user,  load average: 3.34, 3.38, 3.43
Tasks: 758 total,   4 running, 751 sleeping,   0 stopped,   3 zombie
Cpu(s): 18.8% us,  6.9% sy,  0.2% ni, 73.2% id,  0.3% wa,  0.0% hi,  0.5% si
Mem:  65943244k total, 55002072k used, 10941172k free,   166388k buffers
Swap:        0k total,        0k used,        0k free, 39155660k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND           
23493 iknow     20   0 28308 3668 2364 R 99.6  0.0 283:53.96 lcs                
 6081 iknow     20   0 27056 2664 2204 R 99.0  0.0   1054:53 apns               
24086 iknow     20   0  221m 5544 3228 S 18.5  0.0 729:47.62 instance_inspec    
 4425 nobody    25   5  545m  62m 7480 S 11.9  0.1   6864:20 noah-logagent      
30966 homework  20   0  252m  45m  24m S  7.3  0.1   5:27.53 php-cgi            
26801 homework  20   0  256m  47m  23m S  6.3  0.1   5:13.07 php-cgi  
  • 站点挂了。怎样排查
  • lamp的搭建
  • 旋转数组寻找某个元素
  • 进程间通信(apache和php怎样通信?)
原文地址:https://www.cnblogs.com/wzzkaifa/p/7395769.html