# every day, delete old sessions files
47 4 * * * find /tmp/ -name "sess_*" -user syj -ctime +45 -exec rm -f '{}' \;
# every day, vacuum tables
-48 4 * * * psql syj syj -c "VACUUM ANALYZE users"
-48 4 * * * psql syj syj -c "VACUUM ANALYZE paths"
-48 4 * * * psql syj syj -c "VACUUM ANALYZE pending_actions"
+48 4 * * * psql syj syj -c "VACUUM ANALYZE users" > /dev/null
+48 4 * * * psql syj syj -c "VACUUM ANALYZE paths" > /dev/null
+48 4 * * * psql syj syj -c "VACUUM ANALYZE pending_actions" > /dev/null