Drop caches
2012. 2. 4.
*출처: http://superkkt.com/341 Kernels 2.6.16 and newer provide a mechanism to havethe kernel drop the page cache and/or inode and dentry caches oncommand, which can help free up a lot of memory. Now you can throw awaythat script that allocated a ton of memory just to get rid of thecache... To use /proc/sys/vm/drop_caches, just echo a number to it. To free pagecache: # echo 1 > /proc/sys/vm/drop_c..