utilizza SCAN

producer.go

@@ -3,7 +3,6 @@ package main
 
 import (
 	"fmt"
-	"log"
 	"strconv"
 	"strings"
 	"time"
@@ -26,6 +25,59 @@ func producer() {
 	conn := dbs.rdb.Get()
 	defer conn.Close()
 
+	val := "0"
+
+	loop := true
+
+	start := time.Now()
+	users := make(map[string]bool)
+	for loop {
+
+		status = _Producer
+
+		retval, err := redis.Values(conn.Do("SCAN", val, "COUNT", strconv.Itoa(opts.MaxBulk)))
+
+		keys, _ := redis.Strings(retval[1], err)
+
+		for _, key := range keys {
+			user := key[:strings.Index(key, "@")]
+			users[user] = true
+		}
+
+		val, _ = redis.String(retval[0], err)
+
+		if opts.Debug {
+			fmt.Println(val, len(users))
+		}
+
+		if val == "0" {
+			loop = false
+		}
+	}
+
+	if opts.Debug {
+		fmt.Printf("\nKEYS: %+v\n", time.Since(start))
+	}
+
+	max := 0
+	block := make([]string, 0)
+	for user, _ := range users {
+		block = append(block, user)
+		if max >= opts.MaxBulk {
+			wg.Add(1)
+			mget_chan <- block
+			max = 0
+			block = make([]string, 0)
+			continue
+		}
+		max += 1
+	}
+
+	done <- true
+}
+
+/*
+
 	keys, err := redis.Strings(conn.Do("KEYS", "*"))
 
 	if err != nil {
@@ -114,4 +166,4 @@ func producer() {
 	}
 
 	done <- true
-}
+*/