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update OTLP exporter transient errors table #1642

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merged 6 commits into from
Apr 29, 2021
Merged

update OTLP exporter transient errors table #1642

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67a79e7
update otlp exporter transient errors table
paivagustavo Apr 23, 2021
48edd47
wording
paivagustavo Apr 23, 2021
2fec09d
Merge branch 'main' of github.com:open-telemetry/opentelemetry-specif…
paivagustavo Apr 27, 2021
d9957a6
remove exporter.md status code table, add changelog entry
paivagustavo Apr 27, 2021
8d661db
add details for http transient errors.
paivagustavo Apr 27, 2021
62078a9
Merge branch 'main' into otlp_exporter_transient_errors
arminru Apr 29, 2021
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -33,6 +33,10 @@ release.

### Compatibility

### OpenTelemetry Protocol

- Fix incorrect table of transient errors ([#1642](https:/open-telemetry/opentelemetry-specification/pull/1642))

## v1.2.0 (2021-04-14)

### Context
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27 changes: 3 additions & 24 deletions specification/protocol/exporter.md
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Expand Up @@ -59,29 +59,8 @@ The `OTEL_EXPORTER_OTLP_HEADERS`, `OTEL_EXPORTER_OTLP_TRACES_HEADERS`, `OTEL_EXP

## Retry

[Transient errors](#transient-errors) MUST be handled with a retry strategy. This retry strategy MUST implement an exponential back-off with jitter to avoid overwhelming the destination until the network is restored or the destination has recovered.

## Transient Errors

Transient errors are errors which expect the backend to recover. The following status codes are defined as transient errors:

| HTTP Status Code | Description |
| ---------------- | ----------- |
| 408 | Request Timeout |
| 5xx | Server Errors |
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The referenced section in otlp.md#failures actually does not specify this.
Could you a statement there pointing out that 408 and 5xx are considered retryable or otherwise leave this table here?

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Right, I've added a statement that point to that info. But I think It would be better if we have a full table just like the gRPC.

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This would be ideal yes. The current state is enough for this bugfix PR, however.


| gRPC Status Code | Description |
| ---------------- | ----------- |
| 1 | Cancelled |
| 4 | Deadline Exceeded |
| 7 | Permission Denied |
| 8 | Resource Exhausted |
| 10 | Aborted |
| 10 | Out of Range |
| 14 | Unavailable |
| 15 | Data Loss |
| 16 | Unauthenticated |

Additional details on transient errors can be found in [otep-35](https:/open-telemetry/oteps/blob/main/text/0035-opentelemetry-protocol.md#export-response) for gRPC and [otep-99](https:/open-telemetry/oteps/blob/main/text/0099-otlp-http.md#failures) for HTTP
Transient errors MUST be handled with a retry strategy. This retry strategy MUST implement an exponential back-off with jitter to avoid overwhelming the destination until the network is restored or the destination has recovered.

For OTLP/HTTP, the errors `408 (Request Timeout)` and `5xx (Server Errors)` are defined as transient, detailed information about erros can be found in the [HTTP failures section](otlp.md#failures). For the OTLP/gRPC, the full list of the gRPC retryable status codes can be found in the [gRPC response section](otlp.md#otlpgrpc-response).

[otlphttp-req]: otlp.md#otlphttp-request