How to use maxAllowedVUsHandlerStrategy method of executor Package

Best K6 code snippet using executor.maxAllowedVUsHandlerStrategy

ramping_vus.go

Source:ramping_vus.go Github

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...501 // this will populate stopped VUs and run runLoopsIfPossible on each VU502 // handle in a new goroutine503 runState.runLoopsIfPossible(maxDurationCtx, cancel)504 var (505 handleNewMaxAllowedVUs = runState.maxAllowedVUsHandlerStrategy()506 handleNewScheduledVUs = runState.scheduledVUsHandlerStrategy()507 )508 handledGracefulSteps := runState.iterateSteps(509 ctx,510 handleNewMaxAllowedVUs,511 handleNewScheduledVUs,512 )513 go runState.runRemainingGracefulSteps(514 ctx,515 handleNewMaxAllowedVUs,516 handledGracefulSteps,517 )518 return nil519}520// rampingVUsRunState is created and initialized by the Run() method521// of the ramping VUs executor. It is used to track and modify various522// details of the execution.523type rampingVUsRunState struct {524 executor *RampingVUs525 vuHandles []*vuHandle // handles for manipulating and tracking all of the VUs526 maxVUs uint64 // the scaled number of initially configured MaxVUs527 activeVUsCount *int64 // the current number of active VUs, used only for the progress display528 started time.Time529 wg sync.WaitGroup530 runIteration func(context.Context, lib.ActiveVU) bool // a helper closure function that runs a single iteration531}532func (rs *rampingVUsRunState) makeProgressFn(regular time.Duration) (progressFn func() (float64, []string)) {533 vusFmt := pb.GetFixedLengthIntFormat(int64(rs.maxVUs))534 regularDuration := pb.GetFixedLengthDuration(regular, regular)535 return func() (float64, []string) {536 spent := time.Since(rs.started)537 cur := atomic.LoadInt64(rs.activeVUsCount)538 progVUs := fmt.Sprintf(vusFmt+"/"+vusFmt+" VUs", cur, rs.maxVUs)539 if spent > regular {540 return 1, []string{progVUs, regular.String()}541 }542 status := pb.GetFixedLengthDuration(spent, regular) + "/" + regularDuration543 return float64(spent) / float64(regular), []string{progVUs, status}544 }545}546func (rs *rampingVUsRunState) runLoopsIfPossible(ctx context.Context, cancel func()) {547 getVU := func() (lib.InitializedVU, error) {548 pvu, err := rs.executor.executionState.GetPlannedVU(rs.executor.logger, false)549 if err != nil {550 rs.executor.logger.WithError(err).Error("Cannot get a VU from the buffer")551 cancel()552 return pvu, err553 }554 rs.wg.Add(1)555 atomic.AddInt64(rs.activeVUsCount, 1)556 rs.executor.executionState.ModCurrentlyActiveVUsCount(+1)557 return pvu, err558 }559 returnVU := func(initVU lib.InitializedVU) {560 rs.executor.executionState.ReturnVU(initVU, false)561 atomic.AddInt64(rs.activeVUsCount, -1)562 rs.wg.Done()563 rs.executor.executionState.ModCurrentlyActiveVUsCount(-1)564 }565 for i := uint64(0); i < rs.maxVUs; i++ {566 rs.vuHandles[i] = newStoppedVUHandle(567 ctx, getVU, returnVU, rs.executor.nextIterationCounters,568 &rs.executor.config.BaseConfig, rs.executor.logger.WithField("vuNum", i))569 go rs.vuHandles[i].runLoopsIfPossible(rs.runIteration)570 }571}572// iterateSteps iterates over rawSteps and gracefulSteps in order according to573// their TimeOffsets, prioritizing rawSteps. It stops iterating once rawSteps574// are over. And it returns the number of handled gracefulSteps.575func (rs *rampingVUsRunState) iterateSteps(576 ctx context.Context,577 handleNewMaxAllowedVUs, handleNewScheduledVUs func(lib.ExecutionStep),578) (handledGracefulSteps int) {579 wait := waiter(ctx, rs.started)580 i, j := 0, 0581 for i != len(rs.executor.rawSteps) {582 r, g := rs.executor.rawSteps[i], rs.executor.gracefulSteps[j]583 if g.TimeOffset < r.TimeOffset {584 if wait(g.TimeOffset) {585 break586 }587 handleNewMaxAllowedVUs(g)588 j++589 } else {590 if wait(r.TimeOffset) {591 break592 }593 handleNewScheduledVUs(r)594 i++595 }596 }597 return j598}599// runRemainingGracefulSteps runs the remaining gracefulSteps concurrently600// before the gracefulStop timeout period stops VUs.601//602// This way we will have run the gracefulSteps at the same time while603// waiting for the VUs to finish.604//605// (gracefulStop = maxDuration-regularDuration)606func (rs *rampingVUsRunState) runRemainingGracefulSteps(607 ctx context.Context,608 handleNewMaxAllowedVUs func(lib.ExecutionStep),609 handledGracefulSteps int,610) {611 wait := waiter(ctx, rs.started)612 for _, s := range rs.executor.gracefulSteps[handledGracefulSteps:] {613 if wait(s.TimeOffset) {614 return615 }616 handleNewMaxAllowedVUs(s)617 }618}619func (rs *rampingVUsRunState) maxAllowedVUsHandlerStrategy() func(lib.ExecutionStep) {620 var cur uint64 // current number of planned graceful VUs621 return func(graceful lib.ExecutionStep) {622 pv := graceful.PlannedVUs623 for ; pv < cur; cur-- {624 rs.vuHandles[cur-1].hardStop()625 }626 cur = pv627 }628}629func (rs *rampingVUsRunState) scheduledVUsHandlerStrategy() func(lib.ExecutionStep) {630 var cur uint64 // current number of planned raw VUs631 return func(raw lib.ExecutionStep) {632 pv := raw.PlannedVUs633 for ; cur < pv; cur++ {...

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maxAllowedVUsHandlerStrategy

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1import (2func main() {3 r, err := lib.NewTestRunner(lib.Options{})4 if err != nil {5 fmt.Println(err)6 }7 ctx, cancel := context.WithCancel(context.Background())8 defer cancel()9 maxDuration, _ := types.NewNullDuration(10*time.Second, types.NullDurationSource{Value: 10 * time.Second, Valid: true})10 executorConfig := executor.NewConstantArrivalRateConfig("executor", 1, 1, maxDuration)11 maxAllowedVUsHandler := executor.NewConstantArrivalRate(executorConfig)12 run := &lib.Runner{13 Options: lib.Options{14 MaxVUs: null.IntFrom(10),15 },16 }17 if err := maxAllowedVUsHandler.Init(ctx, r, run); err != nil {18 fmt.Println(err)19 }20 if err := maxAllowedVUsHandler.Run(ctx, r, run); err != nil {21 fmt.Println(err)22 }23 fmt.Println("DONE")24}25import (26func main() {27 r, err := lib.NewTestRunner(lib.Options{})

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maxAllowedVUsHandlerStrategy

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Hello, playground")4 es := executor.NewExecutionScheduler([]lib.ExecutionStep{5 {executor: executor.NewConstantVUsPerDurationConfig("1", 1, 1, 1*time.Second)},6 {executor: executor.NewConstantVUsPerDurationConfig("2", 1, 1, 1*time.Second)},7 })8 ctx, cancel := context.WithCancel(context.Background())9 defer cancel()10 testRun := testutils.NewTestRun(t)11 defer testRun.CleanUp()12 engine, err := NewEngine(es, testRun.Logger, testRun.Samples)13 if err != nil {14 t.Fatal(err)15 }16 err = engine.Run(ctx, lib.RuntimeOptions{})17 if err != nil {18 t.Fatal(err)19 }20 data := engine.GetFullExecutionData()21 if len(data) != 1 {22 t.Fatalf("Expected 1 test run, got %d", len(data))23 }24 data := engine.GetFullExecutionData()25 if len(data) != 1 {26 t.Fatalf("Expected 1 test run, got %d", len(data))27 }28 checkMetrics(t, data[0].Metrics, []stats.Metric{29 {Name: "http_reqs", Type: stats.Counter},30 {Name: "http_req_duration", Type: stats.Trend},31 {Name: "http_req_blocked", Type: stats.Trend},32 {Name: "http_req_connecting", Type: stats.Trend},33 {Name: "http_req_sending", Type: stats.Trend},34 {Name: "http_req_waiting", Type: stats.Trend},35 {Name: "http_req_receiving", Type: stats.Trend},36 {Name: "iterations", Type: stats.Counter},37 {Name: "vus", Type: stats.Gauge},38 {Name: "vus_max", Type: stats.Gauge},39 })40}

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maxAllowedVUsHandlerStrategy

Using AI Code Generation

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1import (2func main() {3 maxVUs := null.NewInt(100, true)4 executorConfig := lib.ExecutorConfig{5 MaxDuration: types.NullDurationFrom(10 * time.Second),6 StartTime: types.NullDurationFrom(5 * time.Second),7 GracefulStop: types.NullDurationFrom(1 * time.Second),8 }9 executorConfigRaw, _ := executorConfig.MarshalJSON()10 executor, err := executor.New(executorConfigRaw, nil)11 if err != nil {12 fmt.Println(err)13 }14 engineOut := make(chan stats.SampleContainer, 1000)15 engine := &lib.Engine{16 MaxVUs: null.NewInt(100, true),17 }18 runner, err := loader.Load(19 &loader.SourceData{20 URL: &url.URL{Path: "/script.js"},21 Data: []byte(`22 import http from "k6/http";23 export let options = {24 scenarios: {25 example_scenario: {26 },27 },28 };29 export default function () {30 }31 },32 lib.RuntimeOptions{},33 if err != nil {34 fmt.Println(err)35 }36 ctx, cancel := context.WithCancel(context.Background())37 defer cancel()38 err = executor.Run(ctx, engine, runner.GetDefaultGroup())39 if err != nil {40 fmt.Println(err)41 }42}43import (

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maxAllowedVUsHandlerStrategy

Using AI Code Generation

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1func main() {2 executor := maxAllowedVUsHandlerStrategy{}3 executor.initializeExecutor()4 executor.maxAllowedVUsHandler(10)5}6func main() {7 executor := maxAllowedVUsHandlerStrategy{}8 executor.initializeExecutor()9 executor.maxAllowedVUsHandler(20)10}11func main() {12 executor := maxAllowedVUsHandlerStrategy{}13 executor.initializeExecutor()14 executor.maxAllowedVUsHandler(30)15}16func main() {17 executor := maxAllowedVUsHandlerStrategy{}18 executor.initializeExecutor()19 executor.maxAllowedVUsHandler(40)20}21func main() {22 executor := maxAllowedVUsHandlerStrategy{}23 executor.initializeExecutor()24 executor.maxAllowedVUsHandler(50)25}26func main() {27 executor := maxAllowedVUsHandlerStrategy{}28 executor.initializeExecutor()29 executor.maxAllowedVUsHandler(60)30}31func main() {32 executor := maxAllowedVUsHandlerStrategy{}33 executor.initializeExecutor()34 executor.maxAllowedVUsHandler(70)35}36func main() {37 executor := maxAllowedVUsHandlerStrategy{}38 executor.initializeExecutor()39 executor.maxAllowedVUsHandler(80)40}41func main() {42 executor := maxAllowedVUsHandlerStrategy{}43 executor.initializeExecutor()44 executor.maxAllowedVUsHandler(90)45}46func main() {47 executor := maxAllowedVUsHandlerStrategy{}48 executor.initializeExecutor()49 executor.maxAllowedVUsHandler(100)50}

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maxAllowedVUsHandlerStrategy

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1func main() {2 executor := newExecutor()3 ctx := context.Background()4 engine := newEngine(ctx, executor)5 engine.Run(ctx)6}7func newExecutor() *lib.Executor {8 executor := &lib.Executor{9 Config: lib.ExecutorConfig{10 Duration: types.NullDurationFrom(11 },12 Strategy: lib.NewPerVUIterationsStrategy(13 Runner: &lib.MixedRunner{14 Config: lib.MixedRunnerConfig{15 Runners: []lib.RunnerConfig{16 {17 Source: lib.SourceData{18 Data: `export let options = { vus: 2, duration: "5s" }; export default function() { console.log("hello") }`,19 },20 },21 },22 },23 },24 }25}26func newEngine(ctx context.Context, executor *lib.Executor) *lib.Engine {

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maxAllowedVUsHandlerStrategy

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1func init() {2 rootCmd.AddCommand(maxAllowedVUsCmd)3 maxAllowedVUsCmd.Flags().IntVarP(&maxAllowedVUs, "maxAllowedVUs", "m", 0, "Set maxAllowedVUs for the executor")4 maxAllowedVUsCmd.Flags().StringVarP(&exec, "exec", "e", "", "Set the executor")5}6func init() {7 rootCmd.AddCommand(maxAllowedVUsCmd)8 maxAllowedVUsCmd.Flags().IntVarP(&maxAllowedVUs, "maxAllowedVUs", "m", 0, "Set maxAllowedVUs for the executor")9 maxAllowedVUsCmd.Flags().StringVarP(&exec, "exec", "e", "", "Set the executor")10}11func init() {12 rootCmd.AddCommand(maxAllowedVUsCmd)13 maxAllowedVUsCmd.Flags().IntVarP(&maxAllowedVUs, "maxAllowedVUs", "m", 0, "Set maxAllowedVUs for the executor")14 maxAllowedVUsCmd.Flags().StringVarP(&exec, "exec", "e", "", "Set the executor")15}16func init() {17 rootCmd.AddCommand(maxAllowedVUsCmd)18 maxAllowedVUsCmd.Flags().IntVarP(&maxAllowedVUs, "maxAllowedVUs", "m", 0, "Set maxAllowedVUs for the executor")19 maxAllowedVUsCmd.Flags().StringVarP(&exec, "exec", "e", "", "Set the executor")20}

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