add stress test tool
This commit is contained in:
Bomin Zhang
parent
8a24b8993d
commit
19a0b51c1a
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stress
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stress.exe
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script.json
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# STRESS
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``` bash
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$ ./stress [-server=<localhost>] [-db=<test>] [-concurrent=<1>] [-fetch=<false>] [scriptFile]
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```
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## SCRIPT FILE
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```json
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[{
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"sql": "select * from meters where id = %d and a >= %d and a <= %d and tbname='%s'",
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"args": [{
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"type": "int",
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"min": -10,
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"max": 20
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}, {
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"type": "range",
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"min": 30,
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"max": 60
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}, {
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"type": "string",
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"min": 0,
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"max": 10,
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"list": [
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"table1",
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"table2",
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"table3",
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"table4"
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]
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}]
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}]
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```
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module github.com/taosdata/stress
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go 1.14
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require github.com/taosdata/driver-go v0.0.0-20200606095205-b786bac1857f
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package main
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"flag"
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"fmt"
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"math/rand"
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"os"
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"os/signal"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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_ "github.com/taosdata/driver-go/taosSql"
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)
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type argument struct {
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Type string `json:"type"`
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Min int `json:"min"`
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Max int `json:"max"`
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List []interface{} `json:"list, omitempty"`
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}
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type script struct {
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isQuery bool `json:"-"`
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numArgs int `json:"-"`
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Sql string `json:"sql"`
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Args []argument `json:"args"`
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}
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func (arg *argument) check() (int, error) {
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if arg.Type == "list" {
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if len(arg.List) == 0 {
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return 0, errors.New("list cannot be empty")
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}
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return 1, nil
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}
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if arg.Max < arg.Min {
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return 0, errors.New("invalid min/max value")
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}
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if arg.Type == "string" {
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if arg.Min < 0 {
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return 0, errors.New("negative string length")
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}
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}
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if arg.Type == "int" && arg.Min == 0 && arg.Max == 0 {
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arg.Max = arg.Min + 100
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}
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if arg.Type == "range" {
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return 2, nil
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}
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return 1, nil
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}
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func (arg *argument) generate(args []interface{}) []interface{} {
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const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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switch arg.Type {
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case "bool":
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if rand.Intn(2) == 1 {
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args = append(args, true)
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} else {
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args = append(args, false)
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}
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case "int":
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v := rand.Intn(arg.Max-arg.Min+1) + arg.Min
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args = append(args, v)
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case "range":
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v := rand.Intn(arg.Max-arg.Min) + arg.Min
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args = append(args, v)
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v = rand.Intn(arg.Max-v+1) + v
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args = append(args, v)
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case "string":
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l := rand.Intn(arg.Max-arg.Min+1) + arg.Min
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sb := strings.Builder{}
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for i := 0; i < l; i++ {
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sb.WriteByte(chars[rand.Intn(len(chars))])
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}
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args = append(args, sb.String())
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case "list":
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v := arg.List[rand.Intn(len(arg.List))]
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args = append(args, v)
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}
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return args
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}
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type statitics struct {
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succeeded int64
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failed int64
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succeededDuration int64
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failedDuration int64
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}
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var (
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server string
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database string
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fetch bool
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concurrent uint
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startAt time.Time
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shouldStop int64
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wg sync.WaitGroup
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stat statitics
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scripts []script
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)
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func loadScript(path string) error {
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f, e := os.Open(path)
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if e != nil {
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return e
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}
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defer f.Close()
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e = json.NewDecoder(f).Decode(&scripts)
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if e != nil {
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return e
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}
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for i := 0; i < len(scripts); i++ {
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s := &scripts[i]
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s.Sql = strings.TrimSpace(s.Sql)
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s.isQuery = strings.ToLower(s.Sql[:6]) == "select"
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for j := 0; j < len(s.Args); j++ {
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arg := &s.Args[j]
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arg.Type = strings.ToLower(arg.Type)
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n, e := arg.check()
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if e != nil {
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return fmt.Errorf("script %d argument %d: %s", i, j, e.Error())
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}
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s.numArgs += n
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}
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}
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return nil
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}
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func buildSql() (string, bool) {
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s := scripts[rand.Intn(len(scripts))]
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args := make([]interface{}, 0, s.numArgs)
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for i := 0; i < len(s.Args); i++ {
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args = s.Args[i].generate(args)
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}
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return fmt.Sprintf(s.Sql, args...), s.isQuery
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}
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func runTest() {
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defer wg.Done()
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db, e := sql.Open("taosSql", "root:taosdata@tcp("+server+":0)/"+database)
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if e != nil {
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fmt.Printf("failed to connect to database: %s\n", e.Error())
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return
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}
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defer db.Close()
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for atomic.LoadInt64(&shouldStop) == 0 {
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str, isQuery := buildSql()
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start := time.Now()
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if isQuery {
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var rows *sql.Rows
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if rows, e = db.Query(str); rows != nil {
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if fetch {
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for rows.Next() {
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}
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}
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rows.Close()
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}
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} else {
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_, e = db.Exec(str)
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}
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duration := time.Now().Sub(start).Microseconds()
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if e != nil {
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atomic.AddInt64(&stat.failed, 1)
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atomic.AddInt64(&stat.failedDuration, duration)
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} else {
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atomic.AddInt64(&stat.succeeded, 1)
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atomic.AddInt64(&stat.succeededDuration, duration)
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}
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}
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}
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func getStatPrinter() func(tm time.Time) {
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var last statitics
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lastPrintAt := startAt
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return func(tm time.Time) {
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var current statitics
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current.succeeded = atomic.LoadInt64(&stat.succeeded)
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current.failed = atomic.LoadInt64(&stat.failed)
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current.succeededDuration = atomic.LoadInt64(&stat.succeededDuration)
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current.failedDuration = atomic.LoadInt64(&stat.failedDuration)
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seconds := int64(tm.Sub(startAt).Seconds())
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format := "\033K %02v:%02v:%02v | TOTAL REQ | TOTAL TIME(us) | TOTAL AVG(us) | REQUEST | TIME(us) | AVERAGE(us) |\n"
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fmt.Printf(format, seconds/3600, seconds%3600/60, seconds%60)
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fmt.Println("------------------------------------------------------------------------------------------------")
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tr := current.succeeded + current.failed
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td := current.succeededDuration + current.failedDuration
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r := tr - last.succeeded - last.failed
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d := td - last.succeededDuration - last.failedDuration
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ta, a := 0.0, 0.0
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if tr > 0 {
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ta = float64(td) / float64(tr)
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}
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if r > 0 {
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a = float64(d) / float64(r)
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}
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format = "\033[K TOTAL | %9v | %14v | %13.2f | %7v | %10v | % 13.2f |\n"
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fmt.Printf(format, tr, td, ta, r, d, a)
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tr = current.succeeded
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td = current.succeededDuration
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r = tr - last.succeeded
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d = td - last.succeededDuration
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ta, a = 0.0, 0.0
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if tr > 0 {
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ta = float64(td) / float64(tr)
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}
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if r > 0 {
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a = float64(d) / float64(r)
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}
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format = "\033[K SUCCESS | \033[32m%9v\033[0m | \033[32m%14v\033[0m | \033[32m%13.2f\033[0m | \033[32m%7v\033[0m | \033[32m%10v\033[0m | \033[32m%13.2f\033[0m |\n"
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fmt.Printf(format, tr, td, ta, r, d, a)
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tr = current.failed
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td = current.failedDuration
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r = tr - last.failed
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d = td - last.failedDuration
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ta, a = 0.0, 0.0
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if tr > 0 {
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ta = float64(td) / float64(tr)
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}
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if r > 0 {
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a = float64(d) / float64(r)
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}
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format = "\033[K FAIL | \033[31m%9v\033[0m | \033[31m%14v\033[0m | \033[31m%13.2f\033[0m | \033[31m%7v\033[0m | \033[31m%10v\033[0m | \033[31m%13.2f\033[0m |\n"
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fmt.Printf(format, tr, td, ta, r, d, a)
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last = current
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lastPrintAt = tm
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}
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}
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func main() {
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flag.StringVar(&server, "server", "localhost", "host name or IP address of TDengine server")
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flag.StringVar(&database, "db", "test", "database name")
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flag.BoolVar(&fetch, "fetch", false, "fetch result or not")
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flag.UintVar(&concurrent, "concurrent", 1, "number of concurrent queries")
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flag.Parse()
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scriptFile := flag.Arg(0)
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if scriptFile == "" {
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scriptFile = "script.json"
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}
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if e := loadScript(scriptFile); e != nil {
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fmt.Println("failed to load script file:", e.Error())
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return
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} else if len(scripts) == 0 {
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fmt.Println("there's no script in the script file")
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return
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}
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rand.Seed(time.Now().UnixNano())
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fmt.Println()
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fmt.Printf("SERVER: %s DATABASE: %s CONCURRENT QUERIES: %d FETCH DATA: %v\n", server, database, concurrent, fetch)
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fmt.Println()
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startAt = time.Now()
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printStat := getStatPrinter()
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printStat(startAt)
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for i := uint(0); i < concurrent; i++ {
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wg.Add(1)
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go runTest()
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}
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interrupt := make(chan os.Signal, 1)
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signal.Notify(interrupt, os.Interrupt)
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ticker := time.NewTicker(time.Second)
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fmt.Println("Ctrl + C to exit....\033[1A")
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LOOP:
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for {
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select {
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case <-interrupt:
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break LOOP
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case tm := <-ticker.C:
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fmt.Print("\033[5A")
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printStat(tm)
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}
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}
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atomic.StoreInt64(&shouldStop, 1)
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fmt.Print("\033[100D'Ctrl + C' received, Waiting started query to stop...")
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wg.Wait()
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fmt.Print("\033[5A\033[100D")
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printStat(time.Now())
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fmt.Println()
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}
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