From 6854ca415f358279c93066bf1115e91af1108493 Mon Sep 17 00:00:00 2001
From: Ben Johnson <benbjohnson@yahoo.com>
Date: Wed, 30 Apr 2014 11:55:08 -0600
Subject: [PATCH] Remove bolt bench -stat.

---
 cmd/bolt/bench.go | 25 +------------------------
 cmd/bolt/main.go  |  2 --
 2 files changed, 1 insertion(+), 26 deletions(-)

diff --git a/cmd/bolt/bench.go b/cmd/bolt/bench.go
index e80f51a..e1858df 100644
--- a/cmd/bolt/bench.go
+++ b/cmd/bolt/bench.go
@@ -7,7 +7,6 @@ import (
 	"io/ioutil"
 	"math/rand"
 	"os"
-	"reflect"
 	"runtime"
 	"runtime/pprof"
 	"time"
@@ -70,19 +69,6 @@ func Bench(options *BenchOptions) {
 	fmt.Printf("# Write\t%v\t(%v/op)\t(%v op/sec)\n", results.WriteDuration, results.WriteOpDuration(), results.WriteOpsPerSecond())
 	fmt.Printf("# Read\t%v\t(%v/op)\t(%v op/sec)\n", results.ReadDuration, results.ReadOpDuration(), results.ReadOpsPerSecond())
 	fmt.Println("")
-
-	if options.Stats {
-		fmt.Println("Transaction Stats")
-		printStruct(db.Stats().TxStats)
-		fmt.Println("")
-		db.View(func(tx *bolt.Tx) error {
-			b := tx.Bucket(benchBucketName)
-			fmt.Println("Storage Stats")
-			printStruct(b.Stats())
-			fmt.Println("")
-			return nil
-		})
-	}
 }
 
 // Writes to the database.
@@ -110,7 +96,7 @@ func benchWriteSequential(db *bolt.DB, options *BenchOptions, results *BenchResu
 }
 
 func benchWriteRandom(db *bolt.DB, options *BenchOptions, results *BenchResults) error {
-	r := rand.New(rand.NewSource(42))
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
 	return benchWriteWithSource(db, options, results, func() uint32 { return r.Uint32() })
 }
 
@@ -249,7 +235,6 @@ type BenchOptions struct {
 	KeySize      int
 	ValueSize    int
 	BatchSize    int
-	Stats        bool
 	CPUProfile   string
 	MemProfile   string
 	BlockProfile string
@@ -304,11 +289,3 @@ func tempfile() string {
 	os.Remove(f.Name())
 	return f.Name()
 }
-
-func printStruct(s interface{}) {
-	v := reflect.ValueOf(s)
-	t := reflect.TypeOf(s)
-	for i := 0; i < v.NumField(); i++ {
-		fmt.Printf("  %s: %v\n", t.Field(i).Name, v.Field(i).Interface())
-	}
-}
diff --git a/cmd/bolt/main.go b/cmd/bolt/main.go
index cab4e0e..041f4bb 100644
--- a/cmd/bolt/main.go
+++ b/cmd/bolt/main.go
@@ -104,7 +104,6 @@ func NewApp() *cli.App {
 				&cli.StringFlag{Name: "cpuprofile", Usage: "CPU profile output path"},
 				&cli.StringFlag{Name: "memprofile", Usage: "Memory profile output path"},
 				&cli.StringFlag{Name: "blockprofile", Usage: "Block profile output path"},
-				&cli.BoolFlag{Name: "stats", Usage: "Output storage and transaction stats"},
 			},
 			Action: func(c *cli.Context) {
 				bs := c.Int("batch-size")
@@ -122,7 +121,6 @@ func NewApp() *cli.App {
 					CPUProfile:   c.String("cpuprofile"),
 					MemProfile:   c.String("memprofile"),
 					BlockProfile: c.String("blockprofile"),
-					Stats:        c.Bool("stats"),
 				})
 			},
 		}}