Contention in memcached under the high write throughput.

<img src="http://static.dragonflydb.io/repo-assets/memcached_perf_top.png" width="100%" border="0"/>

Overall CPU usage of memcached when performing SETS benchmark:

<img src="http://static.dragonflydb.io/repo-assets/memcached_cpu_usage.png" width="100%" border="0"/>

