How to increase max connections in memcached
Edit your config file: /etc/sysconfig/memcached
vi /etc/sysconfig/memcached
You see:
PORT="11211" USER="memcached" MAXCONN="1024" CACHESIZE="64" OPTIONS=""
Change line:
MAXCONN="1024"
Final result:
PORT="11211" USER="memcached" MAXCONN="10240" CACHESIZE="640" OPTIONS=""
Then start memcached service
service memcached restart