Beispiel #1
0
func write(start string, end string, client *redis.Client, wg *sync.WaitGroup) {
	var length int
	nbSetInRedis := (basen.Decode(end) - basen.Decode(start)) / 5
	if nbSetInRedis%2 == 0 {
		length = nbSetInRedis
	} else {
		length = nbSetInRedis + 1
	}
	fmt.Printf("%s => %s \t nbSetInRedis = %d \n", start, end, length)
	buffer := make([]string, length)
	indexBuffer := 0
	for i := start; basen.Decode(i) <= basen.Decode(end); i = basen.Encode(basen.Decode(i) + 1) {
		data := sha1.Sum([]byte(i))
		buffer[indexBuffer] = i
		indexBuffer++
		buffer[indexBuffer] = hex.EncodeToString(data[:])
		indexBuffer++
		if indexBuffer > len(buffer)-1 {
			err := client.MSet(buffer[:]...).Err()
			if err != nil {
				panic(err)
			}
			indexBuffer = 0
		}
	}
	if indexBuffer != 0 {
		err := client.MSet(buffer[0:indexBuffer]...).Err()
		if err != nil {
			panic(err)
		}
	}
	fmt.Printf("finish\n")
	defer wg.Done()
}
Beispiel #2
0
func main() {
	var wg sync.WaitGroup
	nbWorker := 24
	start := strings.Repeat("a", basen.Length())
	end := strings.Repeat("z", basen.Length())
	step := basen.Decode(end) / nbWorker
	fmt.Printf("Size = %d \n", basen.Decode(end)+1)
	client := redis.NewClient(&redis.Options{
		Addr:     "localhost:6379",
		Password: "", // no password set
		DB:       0,  // use default D   B
	})

	wg.Add(nbWorker)

	for i := 0; i < nbWorker; i++ {
		if i == nbWorker-1 {
			go write(start, end, client, &wg)
		} else {
			go write(start, basen.Encode(basen.Decode(start)+step), client, &wg)
		}
		start = basen.Encode(basen.Decode(start) + step)
	}

	wg.Wait()
}