How to use XRate method of metrics Package

Best K6 code snippet using metrics.XRate

processor.go

Source:processor.go

1package gc2import (3	"bytes"4	"context"5	"crypto/ed25519"6	"encoding/base64"7	"sync"8	"time"9	"github.com/golang/protobuf/proto"10	"github.com/kinecosystem/agora-common/metrics"11	"github.com/kinecosystem/agora-common/retry"12	"github.com/kinecosystem/agora-common/retry/backoff"13	"github.com/kinecosystem/agora-common/solana"14	"github.com/kinecosystem/agora-common/solana/token"15	"github.com/kinecosystem/agora-common/taskqueue"16	"github.com/kinecosystem/agora-common/taskqueue/model/task"17	"github.com/mr-tron/base58"18	"github.com/pkg/errors"19	"github.com/prometheus/client_golang/prometheus"20	"github.com/sirupsen/logrus"21	"github.com/stellar/go/strkey"22	xrate "golang.org/x/time/rate"23	"google.golang.org/grpc/codes"24	"google.golang.org/grpc/status"25	gcpb "github.com/kinecosystem/agora/pkg/gc/proto"26	"github.com/kinecosystem/agora/pkg/solanautil"27	"github.com/kinecosystem/agora/pkg/transaction/history"28)29const (30	GCQueueName = "garbage-collector-queue"31)32var (33	zeroAccount ed25519.PublicKey = make([]byte, ed25519.PublicKeySize)34	processedCounter = prometheus.NewCounter(prometheus.CounterOpts{35		Namespace: "agora",36		Name:      "offline_gc_processed",37		Help:      "Number of account processed for garbage collection (offline collector)",38	})39	successCounter = prometheus.NewCounter(prometheus.CounterOpts{40		Namespace: "agora",41		Name:      "offline_gc_success",42		Help:      "Number of successfully garbage collected accounts (offline collector)",43	})44	failureCounter = prometheus.NewCounter(prometheus.CounterOpts{45		Namespace: "agora",46		Name:      "offline_gc_failures",47		Help:      "Number of failures while garbage collecting accounts (offline collector)",48	})49)50type Processor struct {51	log        *logrus.Entry52	processor  taskqueue.Processor53	hist       history.Reader54	sc         solana.Client55	tc         *token.Client56	subsidizer ed25519.PrivateKey57	mu           sync.RWMutex58	checkHistory bool59	localLimiter *xrate.Limiter60}61func NewProcessor(62	queueCtr taskqueue.ProcessorCtor,63	hist history.Reader,64	sc solana.Client,65	tc *token.Client,66	subsidizer ed25519.PrivateKey,67	localLimiter *xrate.Limiter,68) (p *Processor, err error) {69	p = &Processor{70		log:          logrus.WithField("type", "gc/processor"),71		hist:         hist,72		sc:           sc,73		tc:           tc,74		subsidizer:   subsidizer,75		localLimiter: localLimiter,76	}77	p.processor, err = queueCtr(p.queueHandler)78	if err != nil {79		return nil, err80	}81	return p, nil82}83func (p *Processor) queueHandler(ctx context.Context, msg *task.Message) error {84	log := p.log.WithField("method", "queueHandler")85	item := &gcpb.QueueRequest_QueueItem{}86	if msg.TypeName != proto.MessageName(item) {87		log.WithField("type_name", msg.TypeName).Warn("Unsupported message type")88		return errors.New("unsupported message type")89	}90	if err := proto.Unmarshal(msg.RawValue, item); err != nil {91		log.WithField("raw_value", base64.StdEncoding.EncodeToString(msg.RawValue)).Warn("Invalid raw value")92		return errors.New("invalid account key")93	}94	account := item.Key95	log.WithField("account", strkey.MustEncode(strkey.VersionByteAccountID, account)).Trace("Processing")96	// Using a local limiter allows us to more efficiently rate limit our97	// processing without propagating errors up to the task processor, which98	// would in turn increase the receive count of a task, potentially putting99	// the message into the DLQ.100	//101	// In the event that we have more than one migrator (which would primarily102	// occur due to reaching a bottleneck with one limiter), we can re-tune the103	// local rate limiters, and use a global rate limiter as a backup.104	//105	// Note: since the throughput is likely to be bottlenecked by IO / submission106	// times, we can most likely run on a single migrator with high concurrency.107	p.mu.RLock()108	localLimiter := p.localLimiter109	p.mu.RUnlock()110	if err := localLimiter.Wait(ctx); err != nil {111		log.WithError(err).Warn("failed to wait for local limiter")112		return errors.Wrap(err, "failed to wait for local limiter")113	}114	_, err := retry.Retry(115		func() error {116			closed, err := p.maybeCloseAccount(account)117			if err == nil && closed {118				successCounter.Inc()119			}120			return err121		},122		retry.Limit(3),123		retry.NonRetriableErrors(context.Canceled),124		retry.BackoffWithJitter(backoff.BinaryExponential(100*time.Millisecond), 5*time.Second, 0.1),125	)126	if err != nil {127		failureCounter.Inc()128		log.WithError(err).Warn("failed to migrate account")129	} else {130		processedCounter.Inc()131	}132	return err133}134func (p *Processor) maybeCloseAccount(account ed25519.PublicKey) (bool, error) {135	a, err := p.tc.GetAccount(account, solana.CommitmentSingle)136	if err == token.ErrAccountNotFound || err == token.ErrInvalidTokenAccount {137		return false, nil138	} else if err != nil {139		return false, errors.Wrap(err, "failed to load account")140	}141	if a.Amount != 0 || !bytes.Equal(a.CloseAuthority, p.subsidizer.Public().(ed25519.PublicKey)) {142		return false, nil143	}144	p.mu.Lock()145	checkHistory := p.checkHistory146	p.mu.Unlock()147	if checkHistory {148		entries, err := p.hist.GetAccountTransactions(context.Background(), strkey.MustEncode(strkey.VersionByteAccountID, account), &history.ReadOptions{149			Limit: 1,150		})151		if err != nil {152			return false, errors.Wrapf(err, "failed to load transactions for account: %s", base58.Encode(account))153		}154		if len(entries) > 0 {155			return false, nil156		}157	}158	tx := solana.NewTransaction(159		p.subsidizer.Public().(ed25519.PublicKey),160		token.CloseAccount(161			account,162			p.subsidizer.Public().(ed25519.PublicKey),163			p.subsidizer.Public().(ed25519.PublicKey),164		),165	)166	bh, err := p.sc.GetRecentBlockhash()167	if err != nil {168		return false, errors.Wrap(err, "failed to get recent blockhash")169	}170	tx.SetBlockhash(bh)171	if err := tx.Sign(p.subsidizer); err != nil {172		return false, errors.Wrap(err, "failed to sign close transaction")173	}174	// Choose single for better throughput. It's not critical if it fails later on.175	_, stat, err := p.sc.SubmitTransaction(tx, solana.CommitmentSingle)176	if err != nil {177		return false, errors.Wrapf(err, "failed to submit close for account: %s", base58.Encode(account))178	} else if stat.ErrorResult != nil {179		// The account doesn't exist, or is not a token account. Either way, we can mark it as180		// successfully processed.181		if solanautil.IsInvalidAccountDataError(stat.ErrorResult) {182			return false, nil183		}184		return false, errors.Wrapf(stat.ErrorResult, "failed to submit close for account: %s", base58.Encode(account))185	}186	return true, nil187}188func (p *Processor) Queue(ctx context.Context, req *gcpb.QueueRequest) (*gcpb.VoidResponse, error) {189	tasks := make([]*task.Message, len(req.Items))190	for i := 0; i < len(req.Items); i++ {191		if len(req.Items[i].Key) != ed25519.PublicKeySize || bytes.Equal(req.Items[i].Key, zeroAccount) {192			return nil, status.Errorf(codes.InvalidArgument, "empty key at %d", i)193		}194		raw, err := proto.Marshal(req.Items[i])195		if err != nil {196			return nil, status.Errorf(codes.InvalidArgument, "failed to marshal item")197		}198		tasks[i] = &task.Message{199			TypeName: proto.MessageName(req.Items[i]),200			RawValue: raw,201		}202	}203	if err := p.processor.SubmitBatch(ctx, tasks); err != nil {204		return nil, status.Errorf(codes.Internal, "failed to submit batch: %v", err)205	}206	return &gcpb.VoidResponse{}, nil207}208func (p *Processor) SetState(_ context.Context, req *gcpb.SetStateRequest) (*gcpb.VoidResponse, error) {209	switch req.State {210	case gcpb.SetStateRequest_RUNNING:211		p.processor.Start()212	case gcpb.SetStateRequest_STOPPED:213		p.processor.Pause()214	default:215		return nil, status.Error(codes.InvalidArgument, "")216	}217	return &gcpb.VoidResponse{}, nil218}219func (p *Processor) SetRateLimit(_ context.Context, req *gcpb.SetRateLimitRequest) (*gcpb.VoidResponse, error) {220	p.mu.Lock()221	defer p.mu.Unlock()222	p.localLimiter = xrate.NewLimiter(xrate.Limit(req.Rate), 1)223	return &gcpb.VoidResponse{}, nil224}225func (p *Processor) SetHistoryCheck(_ context.Context, req *gcpb.SetHistoryCheckRequest) (*gcpb.VoidResponse, error) {226	p.mu.Lock()227	defer p.mu.Unlock()228	p.checkHistory = req.Enabled229	return &gcpb.VoidResponse{}, nil230}231func (p *Processor) Shutdown() {232	p.processor.Shutdown()233}234func init() {235	processedCounter = metrics.Register(processedCounter).(prometheus.Counter)236	successCounter = metrics.Register(successCounter).(prometheus.Counter)237	failureCounter = metrics.Register(failureCounter).(prometheus.Counter)238}...

metrics.go

Source:metrics.go

...148		Named: map[string]interface{}{149			"Counter": mi.XCounter,150			"Gauge":   mi.XGauge,151			"Trend":   mi.XTrend,152			"Rate":    mi.XRate,153		},154	}155}156// XCounter is a counter constructor157func (mi *ModuleInstance) XCounter(call goja.ConstructorCall, rt *goja.Runtime) *goja.Object {158	v, err := mi.newMetric(call, metrics.Counter)159	if err != nil {160		common.Throw(rt, err)161	}162	return v163}164// XGauge is a gauge constructor165func (mi *ModuleInstance) XGauge(call goja.ConstructorCall, rt *goja.Runtime) *goja.Object {166	v, err := mi.newMetric(call, metrics.Gauge)167	if err != nil {168		common.Throw(rt, err)169	}170	return v171}172// XTrend is a trend constructor173func (mi *ModuleInstance) XTrend(call goja.ConstructorCall, rt *goja.Runtime) *goja.Object {174	v, err := mi.newMetric(call, metrics.Trend)175	if err != nil {176		common.Throw(rt, err)177	}178	return v179}180// XRate is a rate constructor181func (mi *ModuleInstance) XRate(call goja.ConstructorCall, rt *goja.Runtime) *goja.Object {182	v, err := mi.newMetric(call, metrics.Rate)183	if err != nil {184		common.Throw(rt, err)185	}186	return v187}...

XRate

Using AI Code Generation

1type Metrics struct {2}3func (m Metrics) XRate() int {4}5func (m Metrics) YRate() int {6}7func (m Metrics) ZRate() int {8}9import "metrics"10func main() {11    m := metrics.Metrics{}12}13import "metrics"14func main() {15    m := metrics.Metrics{}16}17        /usr/local/Cellar/go/1.7.1/libexec/src/metrics (from $GOROOT)18        /Users/username/go/src/metrics (from $GOPATH)19        /usr/local/Cellar/go/1.7.1/libexec/src/metrics (from $GOROOT)20        /Users/username/go/src/metrics (from $GOPATH)21type Metrics struct {22}23func (m Metrics) X

XRate

Using AI Code Generation

1import (2func main() {3    scope, closer := tally.NewRootScope(tally.ScopeOptions{4        Reporter: tally.NewNoopReporter(),5    }, 1*time.Second)6    defer closer.Close()7    m := metrics.New(scope)8    m.XRate("foo", 10)9    m.XRate("bar", 20)10    time.Sleep(2 * time.Second)11}12import (13type Metrics struct {14}15func New(scope tally.Scope) *Metrics {16    return &Metrics{17    }18}19func (m *Metrics) XRate(name string, value int64) {20    m.scope.Tagged(map[string]string{"name": name}).Gauge("xrate").Update(float64(value))21}

XRate

Using AI Code Generation

1import (2func main() {3	m := metrics.New()4	m.Add("1", 1)5	m.Add("2", 2)6	m.Add("3", 3)7	m.Add("4", 4)8	m.Add("5", 5)9	m.Add("6", 6)10	m.Add("7", 7)11	m.Add("8", 8)12	m.Add("9", 9)13	m.Add("10", 10)14	m.Add("11", 11)15	m.Add("12", 12)16	m.Add("13", 13)17	m.Add("14", 14)18	m.Add("15", 15)19	m.Add("16", 16)20	m.Add("17", 17)21	m.Add("18", 18)22	m.Add("19", 19)23	m.Add("20", 20)24	m.Add("21", 21)25	m.Add("22", 22)26	m.Add("23", 23)27	m.Add("24", 24)28	m.Add("25", 25)29	m.Add("26", 26)30	m.Add("27", 27)31	m.Add("28", 28)32	m.Add("29", 29)33	m.Add("30", 30)34	m.Add("31", 31)35	m.Add("32", 32)36	m.Add("33", 33)37	m.Add("34", 34)38	m.Add("35", 35)39	m.Add("36", 36)40	m.Add("37", 37)41	m.Add("38", 38)42	m.Add("39", 39)43	m.Add("40", 40)44	m.Add("41", 41)45	m.Add("42", 42)46	m.Add("43", 43)47	m.Add("44", 44)48	m.Add("45", 45)49	m.Add("46", 46)50	m.Add("47", 47)51	m.Add("48", 48)52	m.Add("49", 49)53	m.Add("50", 50)54	m.Add("51", 51)55	m.Add("52", 52)56	m.Add("53", 53)57	m.Add("54", 54)58	m.Add("55", 55)59	m.Add("56", 56)60	m.Add("57", 57)61	m.Add("58", 58)62	m.Add("59", 59)63	m.Add("60",

XRate

Using AI Code Generation

1import (2func main() {3	m := metrics.NewMeter()4	t := metrics.NewTimer()5	c := metrics.NewCounter()6	h := metrics.NewHistogram(metrics.NewUniformSample(1028))7	m.Mark(1)8	t.Time(func() { time.Sleep(1 * time.Second) })9	c.Inc(1)10	h.Update(1)11	fmt.Println("meter rate:", m.Rate1())12	fmt.Println("timer rate:", t.Rate1())13	fmt.Println("counter rate:", c.Rate1())14	fmt.Println("histogram rate:", h.Rate1())15}16import (17func main() {18	m := metrics.NewMeter()19	t := metrics.NewTimer()20	c := metrics.NewCounter()21	h := metrics.NewHistogram(metrics.NewUniformSample(1028))22	m.Mark(1)23	t.Time(func() { time.Sleep(1 * time.Second) })24	c.Inc(1)25	h.Update(1)26	fmt.Println("meter rate:", m.Rate1())27	fmt.Println("timer rate

XRate

Using AI Code Generation

1func XRate() {2}3import "metrics"4func main() {5metrics.XRate()6}7import "metrics"8func main() {9metrics.XRate()10}11import "metrics"12func main() {13metrics.XRate()14}15In this tutorial, I have explained how to create a module in Go. I have also explained the usage of the go mod init command. I have also explained how to import a module in Go. I have also explained how to use the go get command to download a module. I have also explained how to use the go mod tidy command to clean up the go.mod file. I have also explained how to use the go mod vendor command to vendor the dependencies. I have also explained how to use the go mod download command to download the dependencies. I have also explained how to use the go mod verify command to verify the dependencies. I have also explained how to use the go mod graph command to view the dependency graph. I have also explained how to use the go mod edit command to edit the go.mod file. I have also explained how to use the go mod why command to explain why a dependency is needed. I have also explained how to use the go mod help command to view the help for go mod. I have also explained how to use the go mod init command to initialize a module. I have also explained how to use the go mod tidy command to clean up the go.mod file. I have also explained how to use the go mod vendor command to vendor the dependencies. I have also explained how to use the go mod download command to download the dependencies. I have also explained how to use the go mod verify command to verify the dependencies. I have also explained how to use the go mod graph command to view the dependency graph. I have also explained how to use the go mod edit command to edit the go.mod

XRate

Using AI Code Generation

1import (2func main() {3	metrics := NewMetrics()4	metrics.Start()5	time.Sleep(2 * time.Second)6	metrics.Stop()7	fmt.Println(metrics.XRate())8}9import (10func main() {11	metrics := NewMetrics()12	metrics.Start()13	time.Sleep(2 * time.Second)14	metrics.Stop()15	fmt.Println(metrics.XRate())16}17import (18func main() {19	metrics := NewMetrics()20	metrics.Start()21	time.Sleep(2 * time.Second)22	metrics.Stop()23	fmt.Println(metrics.XRate())24}25import (26func main() {27	metrics := NewMetrics()28	metrics.Start()29	time.Sleep(2 * time.Second)30	metrics.Stop()31	fmt.Println(metrics.XRate())32}33import (34func main() {35	metrics := NewMetrics()36	metrics.Start()37	time.Sleep(2 * time.Second)38	metrics.Stop()39	fmt.Println(metrics.XRate())40}41import (42func main() {

XRate

Using AI Code Generation

1import (2func main() {3    m := metrics.New()4    xrate := m.NewXRate("xrate")5    xrate.SetInterval(1)6    xrate.Update(10)7    fmt.Println(xrate.Rate())8}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.