清理缓存
- Clear PageCache only.
sync; echo 1 > /proc/sys/vm/drop_caches
- Clear dentries and inodes.
sync; echo 2 > /proc/sys/vm/drop_caches
- Clear pagecache, dentries, and inodes.
sync; echo 3 > /proc/sys/vm/drop_caches
参考资料
https://www.tecmint.com/clear-ram-memory-cache-buffer-and-swap-space-on-linux/
