linux echo 1 proc sys vm drop_caches

linux echo 1 proc sys vm drop_caches

echo 3 > /proc/sys/vm/drop_caches frees pagecache, dentries and inodes. The system then immediately starts caching again. I'm not sure what I would expect the value in /proc/sys/vm/drop_caches to do if this is the case. Go back to 0 almost immediat

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