add command decoding benchmark (#1726)

* add command decoding benchmark

Signed-off-by: monkey <golang@88.com>

* fix "call to (*B).Fatalf from a non-test goroutine"

Signed-off-by: monkey <golang@88.com>

* Add a newline at the end of the file

Signed-off-by: monkey <golang@88.com>

* Get cmdsInfoCache from redis-server

Signed-off-by: monkey <golang@88.com>

* reinforce benchmark-decode

Signed-off-by: monkey <golang@88.com>
This commit is contained in:
monkey92t 2021-04-16 21:32:48 +08:00 committed by GitHub
parent f7ac48d4d5
commit 8bdf0bf6c0
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1 changed files with 317 additions and 0 deletions

317
benchmark_decode_test.go Normal file
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package redis
import (
"context"
"fmt"
"github.com/go-redis/redis/v8/internal/proto"
"net"
"testing"
"time"
)
var ctx = context.TODO()
type ConnStub struct {
buff []byte
idx int
}
func (c *ConnStub) Read(b []byte) (n int, err error) {
n = copy(b, c.buff[c.idx:])
if len(c.buff) > c.idx+n {
c.idx += n
} else {
c.idx = 0
}
return n, nil
}
func (c *ConnStub) Write(b []byte) (n int, err error) { return len(b), nil }
func (c *ConnStub) Close() error { return nil }
func (c *ConnStub) LocalAddr() net.Addr { return nil }
func (c *ConnStub) RemoteAddr() net.Addr { return nil }
func (c *ConnStub) SetDeadline(_ time.Time) error { return nil }
func (c *ConnStub) SetReadDeadline(_ time.Time) error { return nil }
func (c *ConnStub) SetWriteDeadline(_ time.Time) error { return nil }
type ClientStub struct {
Cmdable
name string
buff []byte
conn []*ConnStub
}
func (stub *ClientStub) SetResponse(b []byte) {
stub.buff = make([]byte, len(b))
copy(stub.buff, b)
for _, c := range stub.conn {
c.buff = make([]byte, len(b))
copy(c.buff, b)
}
}
func (stub *ClientStub) AppendConn(c *ConnStub) {
if len(stub.buff) > 0 {
c.buff = make([]byte, len(stub.buff))
copy(c.buff, stub.buff)
}
stub.conn = append(stub.conn, c)
}
func (stub *ClientStub) Name() string {
return stub.name
}
func NewDecodeClient() *ClientStub {
stub := &ClientStub{
name: "Client",
}
stub.Cmdable = NewClient(&Options{
PoolSize: 128,
Dialer: func(ctx context.Context, network, addr string) (net.Conn, error) {
conn := &ConnStub{}
stub.AppendConn(conn)
return conn, nil
},
})
return stub
}
func NewDecodeClusterClient() *ClientStub {
stub := &ClientStub{
name: "Cluster",
}
client := NewClusterClient(&ClusterOptions{
PoolSize: 128,
Addrs: []string{"127.0.0.1:6379"},
Dialer: func(ctx context.Context, network, addr string) (net.Conn, error) {
c := &ConnStub{}
stub.AppendConn(c)
return c, nil
},
ClusterSlots: func(_ context.Context) ([]ClusterSlot, error) {
return []ClusterSlot{
{
Start: 0,
End: 16383,
Nodes: []ClusterNode{{Addr: "127.0.0.1:6379"}},
},
}, nil
},
})
// init command.
tmpClient := NewClient(&Options{Addr: ":6379"})
cmdCache, err := tmpClient.Command(ctx).Result()
_ = tmpClient.Close()
client.cmdsInfoCache = newCmdsInfoCache(func(_ context.Context) (map[string]*CommandInfo, error) {
return cmdCache, err
})
stub.Cmdable = client
return stub
}
func BenchmarkDecode(b *testing.B) {
stubs := []*ClientStub{
NewDecodeClient(),
NewDecodeClusterClient(),
}
for _, stub := range stubs {
b.Run(fmt.Sprintf("RespError-%s", stub.Name()), func(b *testing.B) {
respError(b, stub)
})
b.Run(fmt.Sprintf("RespStatus-%s", stub.Name()), func(b *testing.B) {
respStatus(b, stub)
})
b.Run(fmt.Sprintf("RespInt-%s", stub.Name()), func(b *testing.B) {
respInt(b, stub)
})
b.Run(fmt.Sprintf("RespString-%s", stub.Name()), func(b *testing.B) {
respString(b, stub)
})
b.Run(fmt.Sprintf("RespArray-%s", stub.Name()), func(b *testing.B) {
respArray(b, stub)
})
b.Run(fmt.Sprintf("RespPipeline-%s", stub.Name()), func(b *testing.B) {
respPipeline(b, stub)
})
b.Run(fmt.Sprintf("RespTxPipeline-%s", stub.Name()), func(b *testing.B) {
respTxPipeline(b, stub)
})
// goroutine
b.Run(fmt.Sprintf("DynamicGoroutine-%s-pool=5", stub.Name()), func(b *testing.B) {
dynamicGoroutine(b, stub, 5)
})
b.Run(fmt.Sprintf("DynamicGoroutine-%s-pool=20", stub.Name()), func(b *testing.B) {
dynamicGoroutine(b, stub, 20)
})
b.Run(fmt.Sprintf("DynamicGoroutine-%s-pool=50", stub.Name()), func(b *testing.B) {
dynamicGoroutine(b, stub, 50)
})
b.Run(fmt.Sprintf("DynamicGoroutine-%s-pool=100", stub.Name()), func(b *testing.B) {
dynamicGoroutine(b, stub, 100)
})
b.Run(fmt.Sprintf("StaticGoroutine-%s-pool=5", stub.Name()), func(b *testing.B) {
staticGoroutine(b, stub, 5)
})
b.Run(fmt.Sprintf("StaticGoroutine-%s-pool=20", stub.Name()), func(b *testing.B) {
staticGoroutine(b, stub, 20)
})
b.Run(fmt.Sprintf("StaticGoroutine-%s-pool=50", stub.Name()), func(b *testing.B) {
staticGoroutine(b, stub, 50)
})
b.Run(fmt.Sprintf("StaticGoroutine-%s-pool=100", stub.Name()), func(b *testing.B) {
staticGoroutine(b, stub, 100)
})
}
}
func respError(b *testing.B, stub *ClientStub) {
stub.SetResponse([]byte("-ERR test error\r\n"))
respErr := proto.RedisError("ERR test error")
var err error
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err = stub.Get(ctx, "key").Err(); err != respErr {
b.Fatalf("response error, got %q, want %q", err, respErr)
}
}
}
func respStatus(b *testing.B, stub *ClientStub) {
stub.SetResponse([]byte("+OK\r\n"))
var val string
b.ResetTimer()
for i := 0; i < b.N; i++ {
if val = stub.Set(ctx, "key", "value", 0).Val(); val != "OK" {
b.Fatalf("response error, got %q, want OK", val)
}
}
}
func respInt(b *testing.B, stub *ClientStub) {
stub.SetResponse([]byte(":10\r\n"))
var val int64
b.ResetTimer()
for i := 0; i < b.N; i++ {
if val = stub.Incr(ctx, "key").Val(); val != 10 {
b.Fatalf("response error, got %q, want 10", val)
}
}
}
func respString(b *testing.B, stub *ClientStub) {
stub.SetResponse([]byte("$5\r\nhello\r\n"))
var val string
b.ResetTimer()
for i := 0; i < b.N; i++ {
if val = stub.Get(ctx, "key").Val(); val != "hello" {
b.Fatalf("response error, got %q, want hello", val)
}
}
}
func respArray(b *testing.B, stub *ClientStub) {
stub.SetResponse([]byte("*3\r\n$5\r\nhello\r\n:10\r\n+OK\r\n"))
var val []interface{}
b.ResetTimer()
for i := 0; i < b.N; i++ {
if val = stub.MGet(ctx, "key").Val(); len(val) != 3 {
b.Fatalf("response error, got len(%d), want len(3)", len(val))
}
}
}
func respPipeline(b *testing.B, stub *ClientStub) {
stub.SetResponse([]byte("+OK\r\n$5\r\nhello\r\n:1\r\n"))
var pipe Pipeliner
b.ResetTimer()
for i := 0; i < b.N; i++ {
pipe = stub.Pipeline()
set := pipe.Set(ctx, "key", "value", 0)
get := pipe.Get(ctx, "key")
del := pipe.Del(ctx, "key")
_, err := pipe.Exec(ctx)
if err != nil {
b.Fatalf("response error, got %q, want nil", err)
}
if set.Val() != "OK" || get.Val() != "hello" || del.Val() != 1 {
b.Fatal("response error")
}
}
}
func respTxPipeline(b *testing.B, stub *ClientStub) {
stub.SetResponse([]byte("+OK\r\n+QUEUED\r\n+QUEUED\r\n+QUEUED\r\n*3\r\n+OK\r\n$5\r\nhello\r\n:1\r\n"))
b.ResetTimer()
for i := 0; i < b.N; i++ {
var set *StatusCmd
var get *StringCmd
var del *IntCmd
_, err := stub.TxPipelined(ctx, func(pipe Pipeliner) error {
set = pipe.Set(ctx, "key", "value", 0)
get = pipe.Get(ctx, "key")
del = pipe.Del(ctx, "key")
return nil
})
if err != nil {
b.Fatalf("response error, got %q, want nil", err)
}
if set.Val() != "OK" || get.Val() != "hello" || del.Val() != 1 {
b.Fatal("response error")
}
}
}
func dynamicGoroutine(b *testing.B, stub *ClientStub, concurrency int) {
stub.SetResponse([]byte("$5\r\nhello\r\n"))
c := make(chan struct{}, concurrency)
b.ResetTimer()
for i := 0; i < b.N; i++ {
c <- struct{}{}
go func() {
if val := stub.Get(ctx, "key").Val(); val != "hello" {
panic(fmt.Sprintf("response error, got %q, want hello", val))
}
<-c
}()
}
// Here no longer wait for all goroutines to complete, it will not affect the test results.
close(c)
}
func staticGoroutine(b *testing.B, stub *ClientStub, concurrency int) {
stub.SetResponse([]byte("$5\r\nhello\r\n"))
c := make(chan struct{}, concurrency)
b.ResetTimer()
for i := 0; i < concurrency; i++ {
go func() {
for {
_, ok := <-c
if !ok {
return
}
if val := stub.Get(ctx, "key").Val(); val != "hello" {
panic(fmt.Sprintf("response error, got %q, want hello", val))
}
}
}()
}
for i := 0; i < b.N; i++ {
c <- struct{}{}
}
close(c)
}