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Saturday, August 11, 2012
centos free memory cache
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To free pagecache,
use echo 1 > /proc/sys/vm/drop_caches;
to free dentries and inodes,
use echo 2 > /proc/sys/vm/drop_caches;
to free pagecache, dentries and inodes, use
echo 3 > /proc/sys/vm/drop_caches.
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