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opentelemetry-go/exporters/otlp/README.md
Suraj Chafle 85e696d20b
Updating documentation with an working example for creating NewExporter (#1513) 
* Updating documentation with an working example for creating NewExporter

* Updated Changelog

* Moved examples in README to testing example

* ExampleTest shouldn't log anything if working as expected

* Fixing the lint

* Fixing the lint

* Review comments

* Changes done moved to Fixed section of Changelog
2021-02-24 09:50:17 -08:00

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OpenTelemetry Collector Go Exporter

PkgGoDev

This exporter exports OpenTelemetry spans and metrics to the OpenTelemetry Collector.

Installation and Setup

The exporter can be installed using standard go functionality.

$ go get -u go.opentelemetry.io/otel/exporters/otlp

A new exporter can be created using the NewExporter function.

Retries

The exporter will not, by default, retry failed requests to the collector. However, it is configured in a way that it can be easily enabled.

To enable retries, the GRPC_GO_RETRY environment variable needs to be set to on. For example,

GRPC_GO_RETRY=on go run .

The default service config used by default is defined to retry failed requests with exponential backoff (0.3seconds * (2)^retry) with a max of 5 retries).

These retries are only attempted for reponses that are deemed "retry-able" by the collector.