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This article mainly explains "cleaning data script sharing written with buffer/cache under Linux". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "cleaning data script sharing written with buffer/cache under Linux".

#! / bin/bashif [`free-g | grep-w 'Mem:' | awk'{print$6}'`- ge 4]; then # buffer/cache > 4g start to clean up sync echo 1 > / proc/sys/vm/drop_caches echo 2 > / proc/sys/vm/drop_caches echo 3 > / procure sync echo [`free-g | grep-w 'Mem:' | awk' {print$6+$7}'`-ge 4] Then # centos 6 buffer+cache > 4G start cleaning sync echo 1 > / proc/sys/vm/drop_caches echo 2 > / proc/sys/vm/drop_caches echo 3 > / proc/sys/vm/drop_cachesfi Thank you for reading. This is the content of "cleaning data script written in buffer/cache under Linux". After the study of this article I believe you have a deeper understanding of the problem of sharing clean-up data scripts written in buffer/cache under Linux, and the specific usage needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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