From 14f25982cbf6c4821fd7fa5a06224cedf1770850 Mon Sep 17 00:00:00 2001
From: Vladimir Mihailenco <vladimir.webdev@gmail.com>
Date: Fri, 24 Mar 2017 12:48:32 +0200
Subject: [PATCH 1/2] Remove manual strconv

---
 commands.go | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/commands.go b/commands.go
index cac75fe..fb0e910 100644
--- a/commands.go
+++ b/commands.go
@@ -2,7 +2,6 @@ package redis
 
 import (
 	"io"
-	"strconv"
 	"time"
 
 	"github.com/go-redis/redis/internal"
@@ -19,24 +18,24 @@ func usePrecise(dur time.Duration) bool {
 	return dur < time.Second || dur%time.Second != 0
 }
 
-func formatMs(dur time.Duration) string {
+func formatMs(dur time.Duration) int64 {
 	if dur > 0 && dur < time.Millisecond {
 		internal.Logf(
 			"specified duration is %s, but minimal supported value is %s",
 			dur, time.Millisecond,
 		)
 	}
-	return strconv.FormatInt(int64(dur/time.Millisecond), 10)
+	return int64(dur / time.Millisecond)
 }
 
-func formatSec(dur time.Duration) string {
+func formatSec(dur time.Duration) int64 {
 	if dur > 0 && dur < time.Second {
 		internal.Logf(
 			"specified duration is %s, but minimal supported value is %s",
 			dur, time.Second,
 		)
 	}
-	return strconv.FormatInt(int64(dur/time.Second), 10)
+	return int64(dur / time.Second)
 }
 
 type Cmdable interface {
@@ -1340,7 +1339,7 @@ func (c *cmdable) ZInterStore(destination string, store ZStore, keys ...string)
 	args := make([]interface{}, 3+len(keys))
 	args[0] = "zinterstore"
 	args[1] = destination
-	args[2] = strconv.Itoa(len(keys))
+	args[2] = len(keys)
 	for i, key := range keys {
 		args[3+i] = key
 	}
@@ -1536,7 +1535,7 @@ func (c *cmdable) ZUnionStore(dest string, store ZStore, keys ...string) *IntCmd
 	args := make([]interface{}, 3+len(keys))
 	args[0] = "zunionstore"
 	args[1] = dest
-	args[2] = strconv.Itoa(len(keys))
+	args[2] = len(keys)
 	for i, key := range keys {
 		args[3+i] = key
 	}
@@ -1755,7 +1754,7 @@ func (c *cmdable) Eval(script string, keys []string, args ...interface{}) *Cmd {
 	cmdArgs := make([]interface{}, 3+len(keys)+len(args))
 	cmdArgs[0] = "eval"
 	cmdArgs[1] = script
-	cmdArgs[2] = strconv.Itoa(len(keys))
+	cmdArgs[2] = len(keys)
 	for i, key := range keys {
 		cmdArgs[3+i] = key
 	}
@@ -1772,7 +1771,7 @@ func (c *cmdable) EvalSha(sha1 string, keys []string, args ...interface{}) *Cmd
 	cmdArgs := make([]interface{}, 3+len(keys)+len(args))
 	cmdArgs[0] = "evalsha"
 	cmdArgs[1] = sha1
-	cmdArgs[2] = strconv.Itoa(len(keys))
+	cmdArgs[2] = len(keys)
 	for i, key := range keys {
 		cmdArgs[3+i] = key
 	}
@@ -1984,7 +1983,7 @@ func (c *cmdable) ClusterAddSlots(slots ...int) *StatusCmd {
 	args[0] = "cluster"
 	args[1] = "addslots"
 	for i, num := range slots {
-		args[2+i] = strconv.Itoa(num)
+		args[2+i] = num
 	}
 	cmd := NewStatusCmd(args...)
 	c.process(cmd)

From 5a99b806bd516fdaff2395019c2590357c15e544 Mon Sep 17 00:00:00 2001
From: Vladimir Mihailenco <vladimir.webdev@gmail.com>
Date: Fri, 24 Mar 2017 12:48:43 +0200
Subject: [PATCH 2/2] Add cluster benchmark

---
 cluster_test.go | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/cluster_test.go b/cluster_test.go
index 53a3363..d9db897 100644
--- a/cluster_test.go
+++ b/cluster_test.go
@@ -1,6 +1,7 @@
 package redis_test
 
 import (
+	"bytes"
 	"fmt"
 	"net"
 	"strconv"
@@ -704,3 +705,36 @@ func BenchmarkRedisClusterPing(b *testing.B) {
 		}
 	})
 }
+
+func BenchmarkRedisClusterSetString(b *testing.B) {
+	if testing.Short() {
+		b.Skip("skipping in short mode")
+	}
+
+	cluster := &clusterScenario{
+		ports:     []string{"8220", "8221", "8222", "8223", "8224", "8225"},
+		nodeIds:   make([]string, 6),
+		processes: make(map[string]*redisProcess, 6),
+		clients:   make(map[string]*redis.Client, 6),
+	}
+
+	if err := startCluster(cluster); err != nil {
+		b.Fatal(err)
+	}
+	defer stopCluster(cluster)
+
+	client := cluster.clusterClient(redisClusterOptions())
+	defer client.Close()
+
+	value := string(bytes.Repeat([]byte{'1'}, 10000))
+
+	b.ResetTimer()
+
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			if err := client.Set("key", value, 0).Err(); err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}