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Add metrics instrumentation for google.golang.org/grpc #2840

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1 of 20 tasks
fatsheep9146 opened this issue Oct 7, 2022 · 5 comments
Open
1 of 20 tasks

Add metrics instrumentation for google.golang.org/grpc #2840

fatsheep9146 opened this issue Oct 7, 2022 · 5 comments
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area: instrumentation Related to an instrumentation package enhancement New feature or request instrumentation: otelgrpc

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@fatsheep9146
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fatsheep9146 commented Oct 7, 2022 •
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Background

google.golang.org/grpc is already instrumented with library
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc, but this library only covers trace.

So this issue will try to complete all the metrics for google.golang.org/grpc which are already defined in https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/semantic_conventions/rpc-metrics.md

Metrics

Instruments

Server

Client

  • rpc.client.duration
  • rpc.client.request.size
  • rpc.client.response.size
  • rpc.client.requests_per_rpc
  • rpc.client.responses_per_rpc

Tasks

  • Code complete:
    • Comprehensive unit tests.
    • End-to-end integration tests.
    • Tests all passing.
    • Instrumentation functionality verified.
  • Documented
  • Examples
    • Dockerfile file to build example application.
    • docker-compose.yml to run example in a docker environment to demonstrate instrumentation.
@fatsheep9146 fatsheep9146 added area: instrumentation Related to an instrumentation package enhancement New feature or request labels Oct 7, 2022
@fatsheep9146 fatsheep9146 mentioned this issue Oct 7, 2022
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@dmathieu
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dmathieu commented Oct 7, 2022

Related: #2782.

@MrAlias MrAlias mentioned this issue Nov 3, 2022
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6 tasks
radhus added a commit to einride/cloudrunner-go that referenced this issue Nov 4, 2022
@radhus
fix(cloudmonitoring): disable latency metrics
fb89472 
The exported histograms do not make sense. It seems like they are of
CUMULATIVE type instead of DELTA. This has to be fixed within the
opentelemetry-operations-go library.

As there might be gRPC metrics introduced in the
opentelemetry-go-contrib project (see [1]), let's not try to fix them
here right now but instead remove it and use future ones in that
library.

[1]: open-telemetry/opentelemetry-go-contrib#2840
radhus added a commit to einride/cloudrunner-go that referenced this issue Nov 4, 2022
@radhus
fix(cloudmonitoring): remove latency metrics
3ed6d15 
The exported histograms do not make sense. It seems like they are of
CUMULATIVE type instead of DELTA. This has to be fixed within the
opentelemetry-operations-go library.

As there might be gRPC metrics introduced in the
opentelemetry-go-contrib project (see [1]), let's not try to fix them
here right now but instead remove it and use future ones in that
library.

[1]: open-telemetry/opentelemetry-go-contrib#2840
@radhus radhus mentioned this issue Nov 4, 2022
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@fatsheep9146
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I think this issue is now blocked by #197

@fatsheep9146 fatsheep9146 mentioned this issue Nov 9, 2022
Closed
@fatsheep9146 fatsheep9146 mentioned this issue Dec 8, 2022
Merged
Edholm added a commit to einride/cloudrunner-go that referenced this issue Feb 7, 2023
@Edholm
fix(cloudmonitoring): remove server.rpc.duration metric
ed08d01 
This metric is now included in the otelgrpc opentelemetry contrib
package. A side effect of this is that we loose the status code attr.

Status on this can be tracked here:
open-telemetry/opentelemetry-go-contrib#2840
@Edholm Edholm mentioned this issue Feb 7, 2023
Merged
liufuyang added a commit to einride/cloudrunner-go that referenced this issue Feb 18, 2023
@liufuyang
fix(metrics): bump opentelemetry dependenncies
d9bd400 
Move server.rpc.duration metric to server.rpc.duration_deprecated,
as it is now included in the otelgrpc opentelemetry contrib
package. A side effect of this is that we loose the status code attr.

Status on this can be tracked here:
open-telemetry/opentelemetry-go-contrib#2840
@liufuyang liufuyang mentioned this issue Feb 18, 2023
Merged
liufuyang added a commit to einride/cloudrunner-go that referenced this issue Feb 18, 2023
@liufuyang
fix(metrics): bump opentelemetry dependenncies
0971d72 
Move server.rpc.duration metric to server.rpc.duration_deprecated,
as it is now included in the otelgrpc opentelemetry contrib
package. A side effect of this is that we loose the status code attr.

Status on this can be tracked here:
open-telemetry/opentelemetry-go-contrib#2840
@pellared pellared changed the title Request to Add Instrumentation for google.golang.org/grpc Add metrics instrumentation for google.golang.org/grpc Aug 10, 2023
@Sovietaced
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Anyone mind if I add a metrics implementation to the client interceptors?

@ash2k
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ash2k commented Sep 26, 2023

I think interceptors are going to be deprecated soon and then removed. #4318, #4319. Stats handlers are better - it's hard to do metrics with streaming RPCs as that would require wrapping the stream. It's very clean with stats handlers as gRPC just calls its methods.

@Sovietaced
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I think interceptors are going to be deprecated soon and then removed. #4318, #4319. Stats handlers are better - it's hard to do metrics with streaming RPCs as that would require wrapping the stream. It's very clean with stats handlers as gRPC just calls its methods.

Makes sense, thanks.

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@dmathieu @ash2k @Sovietaced @MrAlias @fatsheep9146