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Support synchronous gauge #5225

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yizhang81 opened this issue Apr 18, 2024 · 3 comments · May be fixed by #5304
Open

Support synchronous gauge #5225

yizhang81 opened this issue Apr 18, 2024 · 3 comments · May be fixed by #5304
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@MrAlias
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area:metrics Part of OpenTelemetry Metrics enhancement New feature or request
Milestone
v1.27.0

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@yizhang81
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Problem Statement

From specification, gauge can be synchronous or asynchronous.

Gauge is a synchronous Instrument which can be used to record non-additive value(s) (e.g. the background noise level - it makes no sense to record the background noise level value from multiple rooms and sum them up) when changes occur.

Proposed Solution

Can we add support for sync gauge?
@yizhang81 yizhang81 added the enhancement New feature or request label Apr 18, 2024
@pellared
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I am just adding a reference to a potential workaround before it is done: #3984 (comment)

@MrAlias
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MrAlias commented Apr 18, 2024

We plan to add this to our API once it becomes stable.

This is in an experimental state in the specification. We cannot add something to our stable API that can change.

Until that time, the work-around posted by @pellared should be used.

@MrAlias MrAlias added the blocked:specification Waiting on clarification of the OpenTelemetry specification before progress can be made label Apr 18, 2024
@MrAlias MrAlias mentioned this issue May 1, 2024
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@MrAlias
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MrAlias commented May 1, 2024

PoC: #5280

@MrAlias MrAlias added area:metrics Part of OpenTelemetry Metrics and removed blocked:specification Waiting on clarification of the OpenTelemetry specification before progress can be made labels May 1, 2024
@MrAlias MrAlias added this to the v1.27.0 milestone May 1, 2024
@MrAlias MrAlias self-assigned this May 6, 2024
@MrAlias MrAlias linked a pull request May 6, 2024 that will close this issue
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@MrAlias MrAlias

Labels
area:metrics Part of OpenTelemetry Metrics enhancement New feature or request
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Milestone
v1.27.0
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Successfully merging a pull request may close this issue.

Add the synchronous gauge to the metric API and SDK MrAlias/opentelemetry-go
3 participants
@pellared @MrAlias @yizhang81