Graham McIntire
c46e89a48f
Every prop pod restart was dumping a pair of ArgumentError stack
traces from grpcbox_channel / grpcbox_subchannel terminate/3:
:ets.select(:gproc, …)
* 1st argument: the table identifier does not refer to an
existing ETS table
This is a known grpcbox shutdown race: the OTLP/gRPC transport's
terminate callback tries to look itself up in gproc's ETS just
after gproc's supervisor has already torn the table down. Noisy,
not harmful — but one ArgumentError per restart × N pods adds up.
The OTLP/HTTP transport (port 4318 on the same otel-collector
Service) has no gproc/ETS channel machinery, so shutdown is
quiet. Spans are identical — our collector already accepts both.
- `config/runtime.exs`: default `otlp_protocol: :http_protobuf`,
with an `OTEL_EXPORTER_OTLP_PROTOCOL=grpc` escape hatch.
- `k8s/deployment.yaml`: point `OTEL_EXPORTER_OTLP_ENDPOINT` at
:4318 instead of :4317. The Rust workers stay on :4317 — their
native opentelemetry-otlp transport doesn't share the grpcbox
bug.
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| .. | ||
| config.exs | ||
| dev.exs | ||
| prod.exs | ||
| runtime.exs | ||
| test.exs | ||