func getTestSingle(ch chan bool, cn, n int) {
var mc *memcache.Client
conn := utils.Addrcat(host, port)
key := topicName + "/" + lineName
keys := []string{key, "id"}
mc = memcache.New(conn)
for i := 0; i < n; i++ {
start := time.Now()
items, err := mc.GetMulti(keys)
if err != nil {
log.Printf("get error: c%d %v", cn, err)
} else {
end := time.Now()
duration := end.Sub(start).Seconds()
id := string(items["id"].Value)
log.Printf("get succ: %s spend: %.3fms", id, duration*1000)
}
}
ch <- true
}
