You shouldn't be doing read-modify-write cycles in memcached. It's use is as a demand-filled, look-aside cache. Modern open source memcached has slab reallocati

You shouldn't be doing read-modify-write cycles in memcached. It's use is as a demand-filled, look-aside cache. Modern open source memcached has slab reallocation that works quite well. It certainly beats a malloc() heap, which will become highly fragmented and inefficient.