memset(buffer, 0, MEMCACHED_DEFAULT_COMMAND_SIZE);
send_length= read(ptr->hosts[server_key].fd, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE);
memset(buffer, 0, MEMCACHED_DEFAULT_COMMAND_SIZE);
send_length= read(ptr->hosts[server_key].fd, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE);