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metrics.go
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metrics.go
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// Copyright (c) 2019 Uber Technologies, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package task
import (
"github.com/uber-go/tally"
)
// Metrics tracks various metrics at task state level.
type Metrics struct {
taskUpdateCounter tally.Counter
taskUpdateAck tally.Counter
taskAckChannelSize tally.Gauge
taskAckMapSize tally.Gauge
taskUpdateAckDeDupe tally.Counter
scope tally.Scope
}
// NewMetrics returns a new Metrics struct, with all metrics initialized
// and rooted at the given tally.Scope
func NewMetrics(scope tally.Scope) *Metrics {
return &Metrics{
taskUpdateCounter: scope.Counter("task_updates"),
taskUpdateAck: scope.Counter("task_update_ack"),
taskAckChannelSize: scope.Gauge("task_ack_channel_size"),
taskAckMapSize: scope.Gauge("task_ack_map_size"),
taskUpdateAckDeDupe: scope.Counter("task_update_ack_dedupe"),
scope: scope,
}
}