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chore(collector): remove processors from default build #2338

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chore(collector): remove attributes, resource and span processors fro…
wpessers Jun 7, 2026
0a39ee2
docs(collector): remove deprecation notice
wpessers Jun 7, 2026
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14 changes: 0 additions & 14 deletions collector/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,20 +2,6 @@

The OpenTelemetry Collector Lambda Extension provides a mechanism to export telemetry aynchronously from AWS Lambdas. It does this by embedding a stripped-down version of [OpenTelemetry Collector Contrib](https://github.com/open-telemetry/opentelemetry-collector-contrib) inside an [AWS Extension Layer](https://aws.amazon.com/blogs/compute/introducing-aws-lambda-extensions-in-preview/). This allows lambdas to use the OpenTelemetry Collector Exporter to send traces and metrics to any configured backend.


## Deprecation Notice

The `attributes`, `resource`, and `span` processors are considered **deprecated** in the default collector layer build and will be removed in an upcoming release. The [`transform` processor](https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/processor/transformprocessor), which covers the same functionality through [OTTL](https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/pkg/ottl), has been added to the default build and should be used instead.

**If your collector configuration references `attributes`, `resource`, or `span`**, you have two options before upgrading past the removal release:

1. **Migrate to the `transform` processor.** It uses OTTL on the `resource`, `span`, and `spanevent` contexts
and covers the full capabilities of the three deprecated processors.

2. **Build a custom layer that re-includes them via build tags.**
See [Customized collector build](#experimental-customized-collector-build) below.


## Build your OpenTelemetry Collector Lambda layer from scratch
At the moment users have to build Collector Lambda layer by themselves, we will provide sharing Lambda layer in the future.
- Download a local copy of the [opentelemetry-lambda repository from Github](https://github.com/open-telemetry/opentelemetry-lambda).
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6 changes: 0 additions & 6 deletions collector/lambdacomponents/default.go
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Expand Up @@ -20,11 +20,8 @@ import (
"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusremotewriteexporter"
"github.com/open-telemetry/opentelemetry-collector-contrib/extension/basicauthextension"
"github.com/open-telemetry/opentelemetry-collector-contrib/extension/sigv4authextension"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/attributesprocessor"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/filterprocessor"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/probabilisticsamplerprocessor"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourceprocessor"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/spanprocessor"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/transformprocessor"
"github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor"
"go.opentelemetry.io/collector/exporter/debugexporter"
Expand Down Expand Up @@ -64,12 +61,9 @@ func Components(extensionID string) (otelcol.Factories, error) {
}

processors, err := otelcol.MakeFactoryMap[processor.Factory](
attributesprocessor.NewFactory(),
filterprocessor.NewFactory(),
memorylimiterprocessor.NewFactory(),
probabilisticsamplerprocessor.NewFactory(),
resourceprocessor.NewFactory(),
spanprocessor.NewFactory(),
transformprocessor.NewFactory(),
coldstartprocessor.NewFactory(),
decoupleprocessor.NewFactory(),
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