izlar

1. # 脚本开始
   
2. #
   
3. ##########################
   
4. #  Freemem by izlar.com
   
5. ##########################
   
6. #!/bin/sh
   
7. Time1=`date +%Y%m%d`
   
8. Time2=`date +%k:%M:%S`
   
9. mkdir /backup/freemem/
   
10. cd /backup/freemem/
    
11. #
    
12. #echo "">memstat_$Time1.log
    
13. #
    
14. echo $Time1--$Time2 >>memstat_$Time1.log
    
15. echo "------------------" >>memstat_$Time1.log
    
16. echo "The mem stat is :" >>memstat_$Time1.log
    
17. echo "" >>memstat_$Time1.log
    
18. free >>memstat_$Time1.log
    
19. echo "" >>memstat_$Time1.log
    
20. #sync
    
21. echo "....Freeing......" >>memstat_$Time1.log
    
22. echo "">>memstat_$Time1.log
    
23. #
    
24. echo 1 > /proc/sys/vm/drop_caches
    
25. echo 2 > /proc/sys/vm/drop_caches
    
26. echo 3 > /proc/sys/vm/drop_caches
    
27. echo "---> OK ! " >>memstat_$Time1.log
    
28. echo "">>memstat_$Time1.log
    
29. free >>memstat_$Time1.log
    
30. echo "=========================================================================">> memstat_$Time1.log
    
31. echo "">>memstat_$Time1.log
    
32. echo "">>memstat_$Time1.log
    
33. cd -
    
34. cat /backup/freemem/memstat_$Time1.log
    
35. # 脚本结束

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izlar

加计划任务
*.sh

izlar

这个我的 正常

1.    #! /bin/bash   
   
2.     # cache释放：   
   
3.     # To free pagecache:   
   
4.     sync   
   
5.     sync   
   
6.     #echo 1 > /proc/sys/vm/drop_caches   
   
7.     # To free dentries and inodes:   
   
8.     #echo 2 > /proc/sys/vm/drop_caches   
   
9.     # To free pagecache, dentries and inodes:   
   
10.     echo 3 > /proc/sys/vm/drop_caches  

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