Add metrics to measture the time a task waiting in history queue

common/metrics/defs.go

@@ -2234,6 +2234,7 @@ const (
 	TaskBatchCompleteFailure
 	TaskProcessingLatency
 	TaskQueueLatency
+	ScheduleToStartHistoryQueueLatencyPerTaskList
 
 	TaskRequestsPerDomain
 	TaskLatencyPerDomain
@@ -2901,6 +2902,7 @@ var MetricDefs = map[ServiceIdx]map[int]metricDefinition{
 		TaskLimitExceededCounter: {metricName: "task_errors_limit_exceeded_counter", metricType: Counter},
 		TaskProcessingLatency:    {metricName: "task_latency_processing", metricType: Timer},
 		TaskQueueLatency:         {metricName: "task_latency_queue", metricType: Timer},
+		ScheduleToStartHistoryQueueLatencyPerTaskList: {metricName: "schedule_to_start_history_queue_latency_per_tl", metricType: Timer},
 
 		// per domain task metrics
 

common/util.go

@@ -108,6 +108,7 @@ var (
 	ErrContextTimeoutNotSet = &types.BadRequestError{Message: "Context timeout is not set."}
 	// ErrDecisionResultCountTooLarge error for decision result count exceeds limit
 	ErrDecisionResultCountTooLarge = &types.BadRequestError{Message: "Decision result count exceeds limit."}
+	stickyTaskListMetricTag        = metrics.TaskListTag("__sticky__")
 )
 
 // AwaitWaitGroup calls Wait on the given wait
@@ -1038,3 +1039,25 @@ func IntersectionStringSlice(a, b []string) []string {
 	}
 	return result
 }
+
+// NewPerTaskListScope creates a tasklist metrics scope
+func NewPerTaskListScope(
+	domainName string,
+	taskListName string,
+	taskListKind types.TaskListKind,
+	client metrics.Client,
+	scopeIdx int,
+) metrics.Scope {
+	domainTag := metrics.DomainUnknownTag()
+	taskListTag := metrics.TaskListUnknownTag()
+	if domainName != "" {
+		domainTag = metrics.DomainTag(domainName)
+	}
+	if taskListName != "" && taskListKind != types.TaskListKindSticky {
+		taskListTag = metrics.TaskListTag(taskListName)
+	}
+	if taskListKind == types.TaskListKindSticky {
+		taskListTag = stickyTaskListMetricTag
+	}
+	return client.Scope(scopeIdx, domainTag, taskListTag)
+}

common/util_test.go

@@ -1633,3 +1633,7 @@ func TestSecondsToDuration(t *testing.T) {
 		})
 	}
 }
+
+func TestNewPerTaskListScope(t *testing.T) {
+	assert.NotNil(t, NewPerTaskListScope("test-domain", "test-tasklist", types.TaskListKindNormal, metrics.NewNoopMetricsClient(), 0))
+}

service/history/task/task.go

@@ -346,6 +346,7 @@ func (t *taskImpl) Ack() {
 		t.scope.RecordTimer(metrics.TaskAttemptTimerPerDomain, time.Duration(t.attempt))
 		t.scope.RecordTimer(metrics.TaskLatencyPerDomain, time.Since(t.submitTime))
 		t.scope.RecordTimer(metrics.TaskQueueLatencyPerDomain, time.Since(t.GetVisibilityTimestamp()))
+
 	}
 
 	if t.eventLogger != nil && t.shouldProcessTask && t.attempt != 0 {

service/history/task/transfer_active_task_executor.go

@@ -189,6 +189,7 @@ func (t *transferActiveTaskExecutor) processActivityTask(
 		return nil
 	}
 
+	domainName := mutableState.GetDomainEntry().GetInfo().Name
 	ai, ok := mutableState.GetActivityInfo(task.ScheduleID)
 	if !ok {
 		t.logger.Debug("Potentially duplicate ", tag.TaskID(task.TaskID), tag.WorkflowScheduleID(task.ScheduleID), tag.TaskType(persistence.TransferTaskTypeActivityTask))
@@ -209,7 +210,12 @@ func (t *transferActiveTaskExecutor) processActivityTask(
 		return errWorkflowRateLimited
 	}
 
-	return t.pushActivity(ctx, task, timeout, mutableState.GetExecutionInfo().PartitionConfig)
+	err = t.pushActivity(ctx, task, timeout, mutableState.GetExecutionInfo().PartitionConfig)
+	if err == nil {
+		scope := common.NewPerTaskListScope(domainName, task.TaskList, types.TaskListKindNormal, t.metricsClient, metrics.TransferActiveTaskActivityScope)
+		scope.RecordTimer(metrics.ScheduleToStartHistoryQueueLatencyPerTaskList, time.Since(task.GetVisibilityTimestamp()))
+	}
+	return err
 }
 
 func (t *transferActiveTaskExecutor) processDecisionTask(
@@ -248,6 +254,7 @@ func (t *transferActiveTaskExecutor) processDecisionTask(
 		return err
 	}
 
+	domainName := mutableState.GetDomainEntry().GetInfo().Name
 	executionInfo := mutableState.GetExecutionInfo()
 	workflowTimeout := executionInfo.WorkflowTimeout
 	decisionTimeout := common.MinInt32(workflowTimeout, common.MaxTaskTimeout)
@@ -298,6 +305,14 @@ func (t *transferActiveTaskExecutor) processDecisionTask(
 		// will re-create a new non-sticky task and reset sticky.
 		err = t.pushDecision(ctx, task, taskList, decisionTimeout, mutableState.GetExecutionInfo().PartitionConfig)
 	}
+	if err == nil {
+		tlKind := types.TaskListKindNormal
+		if taskList.Kind != nil {
+			tlKind = *taskList.Kind
+		}
+		scope := common.NewPerTaskListScope(domainName, taskList.Name, tlKind, t.metricsClient, metrics.TransferActiveTaskDecisionScope)
+		scope.RecordTimer(metrics.ScheduleToStartHistoryQueueLatencyPerTaskList, time.Since(task.GetVisibilityTimestamp()))
+	}
 	return err
 }
 

service/matching/handler/context.go

@@ -24,11 +24,11 @@ import (
 	"context"
 	"sync"
 
+	"github.com/uber/cadence/common"
 	"github.com/uber/cadence/common/log"
 	"github.com/uber/cadence/common/log/tag"
 	"github.com/uber/cadence/common/metrics"
 	"github.com/uber/cadence/common/types"
-	"github.com/uber/cadence/service/matching/tasklist"
 )
 
 type handlerContext struct {
@@ -47,7 +47,7 @@ func newHandlerContext(
 ) *handlerContext {
 	return &handlerContext{
 		Context: ctx,
-		scope:   tasklist.NewPerTaskListScope(domainName, taskList.GetName(), taskList.GetKind(), metricsClient, metricsScope).Tagged(metrics.GetContextTags(ctx)...),
+		scope:   common.NewPerTaskListScope(domainName, taskList.GetName(), taskList.GetKind(), metricsClient, metricsScope).Tagged(metrics.GetContextTags(ctx)...),
 		logger:  logger.WithTags(tag.WorkflowDomainName(domainName), tag.WorkflowTaskListName(taskList.GetName())),
 	}
 }

service/matching/tasklist/task_list_manager.go

@@ -63,7 +63,6 @@ var (
 	persistenceOperationRetryPolicy = common.CreatePersistenceRetryPolicy()
 	taskListActivityTypeTag         = metrics.TaskListTypeTag("activity")
 	taskListDecisionTypeTag         = metrics.TaskListTypeTag("decision")
-	stickyTaskListMetricTag         = metrics.TaskListTag("__sticky__")
 )
 
 type (
@@ -154,7 +153,7 @@ func NewManager(
 		taskListKind = &normalTaskListKind
 	}
 
-	scope := NewPerTaskListScope(domainName, taskList.GetName(), *taskListKind, metricsClient, metrics.MatchingTaskListMgrScope).
+	scope := common.NewPerTaskListScope(domainName, taskList.GetName(), *taskListKind, metricsClient, metrics.MatchingTaskListMgrScope).
 		Tagged(getTaskListTypeTag(taskList.GetType()))
 	db := newTaskListDB(taskManager, taskList.GetDomainID(), domainName, taskList.GetName(), taskList.GetType(), int(*taskListKind), logger)
 
@@ -730,27 +729,6 @@ func newTaskListConfig(id *Identifier, cfg *config.Config, domainName string) *c
 	}
 }
 
-func NewPerTaskListScope(
-	domainName string,
-	taskListName string,
-	taskListKind types.TaskListKind,
-	client metrics.Client,
-	scopeIdx int,
-) metrics.Scope {
-	domainTag := metrics.DomainUnknownTag()
-	taskListTag := metrics.TaskListUnknownTag()
-	if domainName != "" {
-		domainTag = metrics.DomainTag(domainName)
-	}
-	if taskListName != "" && taskListKind != types.TaskListKindSticky {
-		taskListTag = metrics.TaskListTag(taskListName)
-	}
-	if taskListKind == types.TaskListKindSticky {
-		taskListTag = stickyTaskListMetricTag
-	}
-	return client.Scope(scopeIdx, domainTag, taskListTag)
-}
-
 func IdentityFromContext(ctx context.Context) string {
 	val, ok := ctx.Value(identityCtxKey{}).(string)
 	if !ok {