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Rename metric instruments to match feature-freeze API specification (#2202)

Browse Source 
* s/ValueRecorder/Histogram/g

* s/ValueObserver/GaugeObserver/g

* s/UpDownSumObserver/UpDownCounterObserver/g

* s/SumObserver/CounterObserver/g

* changelog

* pr num

* unstable->experimental

* Apply suggestions from code review

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

* Apply suggestions from code review

* apply feedback from @evantorrie by hand

* Apply suggestions from code review

Thanks

Co-authored-by: ET <evantorrie@users.noreply.github.com>

* Update sdk/export/metric/metric.go

* Apply suggestions from code review

Thank you @evantorrie !

Co-authored-by: ET <evantorrie@users.noreply.github.com>

* revert getting-started fix let tyler's update remove this text

* more variable name fixes

* test repair

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
Co-authored-by: ET <evantorrie@users.noreply.github.com>
Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
This commit is contained in:
Joshua MacDonald
2021-09-01 13:38:37 -07:00
committed by GitHub
parent 1f527a52ab
commit a7b9d02167
42 changed files with 543 additions and 537 deletions
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16
metric/doc.go
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@@ -31,23 +31,23 @@ part of a system is being measured.
Instruments are categorized as Synchronous or Asynchronous and independently
as Adding or Grouping. Synchronous instruments are called by the user with a
Context. Asynchronous instruments are called by the SDK during collection.
Additive instruments are semantically intended for capturing a sum. Grouping
Adding instruments are semantically intended for capturing a sum. Grouping
instruments are intended for capturing a distribution.
Additive instruments may be monotonic, in which case they are non-decreasing
Adding instruments may be monotonic, in which case they are non-decreasing
and naturally define a rate.
The synchronous instrument names are:
Counter: additive, monotonic
UpDownCounter: additive
ValueRecorder: grouping
Counter: adding, monotonic
UpDownCounter: adding
Histogram: grouping
and the asynchronous instruments are:
SumObserver: additive, monotonic
UpDownSumObserver: additive
ValueObserver: grouping
CounterObserver: adding, monotonic
UpDownCounterObserver: adding
GaugeObserver: grouping
All instruments are provided with support for either float64 or int64 input
values.