/
03_redis.go
123 lines (109 loc) · 2.35 KB
/
03_redis.go
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package main
import (
"bufio"
"fmt"
"github.com/abmm/go_sandbox/Godeps/_workspace/src/redis"
"log"
"os"
"runtime"
"strconv"
"sync/atomic"
"time"
)
func addSingleKey(key string, new_value string) {
spec := redis.DefaultSpec()
client, e := redis.NewSynchClientWithSpec(spec)
if e != nil {
log.Println("failed to create the client", e)
return
}
value, e := client.Get(key)
if e != nil {
log.Println("error on Get", e)
return
}
if value == nil {
value2set := []byte(new_value)
client.Set(key, value2set)
runtime.Gosched()
} else {
fmt.Println("Already found " + string(key))
}
//time.Sleep(time.Millisecond * 10)
}
func addKey(key string, new_value string, i *int32) {
spec := redis.DefaultSpec()
client, e := redis.NewSynchClientWithSpec(spec)
if e != nil {
log.Println("failed to create the client", e)
return
}
for {
atomic.AddInt32(i, 1)
if *i > MAXKEYS {
done <- true
} else {
if *i%100000 == 0 {
fmt.Printf("Inserted %d \n", *i)
}
}
key := key + strconv.Itoa(int(*i))
value, e := client.Get(key)
if e != nil {
log.Println("error on Get", e)
return
}
if value == nil {
value2set := []byte(new_value)
client.Set(key, value2set)
runtime.Gosched()
} else {
//fmt.Println("Already found " + string(key))
}
//time.Sleep(time.Millisecond * 10)
}
}
func delKey(key string, i *int32) {
spec := redis.DefaultSpec()
client, e := redis.NewSynchClientWithSpec(spec)
if e != nil {
log.Println("failed to create the client", e)
return
}
for {
if *i > MAXKEYS/2 {
s := strconv.Itoa(int(*i))
key := key + s
value, e := client.Get(key)
if e != nil {
log.Println("error on Get", e)
return
}
if value != nil {
client.Del(key)
fmt.Println("Deleted " + key)
atomic.AddInt32(i, -1)
runtime.Gosched()
}
}
time.Sleep(time.Millisecond * 100)
}
}
const MAXKEYS int32 = 1000000
var totalkeys int32 = 0
func start_redis() {
fmt.Printf("\nIntroduce the key to save in Redis:")
reader := bufio.NewReader(os.Stdin)
key, _ := reader.ReadString(byte('\n'))
if len(key) > 1 {
key = key[0 : len(key)-1]
}
t0 := time.Now()
go addKey(string(key), "valorx", &totalkeys)
go addKey(string(key), "valory", &totalkeys)
//go delKey(string(key),&totalkeys)
//wait until done
<-done
t1 := time.Now()
fmt.Printf("Finish one million!! in %v \n", t1.Sub(t0))
}