# Drop vm caches at 4am

0 4 * * * sync; echo 3 > /proc/sys/vm/drop_caches

# Drop vm caches at 12pm

0 12 * * * sync; echo 3 > /proc/sys/vm/drop_caches

# Drop vm caches at 8pm

0 20 * * * sync; echo 3 > /proc/sys/vm/drop_caches

# Clear cache every 3 hours 12 until 12
# Prime Directive


0 0 * * * sync; cache -rmdata
0 12 * * * sync; cache -rmdata
0 15 * * * sync; cache -rmdata
0 18 * * * sync; cache -rmdata
0 21 * * * sync; cache -rmdata