dump memcached in linux shell

	MEMCACHED_HOST=localhost
	MEMCACHED_PORT=11211
	printf "stats items\n" | nc $MEMCACHED_HOST $MEMCACHED_PORT | grep ":number" | awk -F":" '{print $2}' | xargs -I % printf "stats cachedump % 10000\r\n" | nc $MEMCACHED_HOST $MEMCACHED_PORT

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[참고] http://infoheap.com/memcache-dump-all-keys-values-on-command-line