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47 lines
1.9 KiB
47 lines
1.9 KiB
// Copyright 2017, OpenCensus Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Package view contains support for collecting and exposing aggregates over stats.
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//
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// In order to collect measurements, views need to be defined and registered.
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// A view allows recorded measurements to be filtered and aggregated.
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//
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// All recorded measurements can be grouped by a list of tags.
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//
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// OpenCensus provides several aggregation methods: Count, Distribution and Sum.
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//
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// Count only counts the number of measurement points recorded.
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// Distribution provides statistical summary of the aggregated data by counting
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// how many recorded measurements fall into each bucket.
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// Sum adds up the measurement values.
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// LastValue just keeps track of the most recently recorded measurement value.
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// All aggregations are cumulative.
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//
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// Views can be registerd and unregistered at any time during program execution.
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//
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// Libraries can define views but it is recommended that in most cases registering
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// views be left up to applications.
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//
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// Exporting
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//
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// Collected and aggregated data can be exported to a metric collection
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// backend by registering its exporter.
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//
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// Multiple exporters can be registered to upload the data to various
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// different back ends.
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package view // import "go.opencensus.io/stats/view"
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// TODO(acetechnologist): Add a link to the language independent OpenCensus
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// spec when it is available.
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