Limit app traces sent to Honeycomb.io (#482)

* Limit app traces sent to Honeycomb.io to 10% Otherwise we will exceed out monthly 100M limit. FWIW: https://github.com/open-telemetry/opentelemetry-erlang/blob/4812195bfa52031dfceeddf6290d0a4cfbc5470c/apps/opentelemetry/src/otel_configuration.erl#L219-L237 Signed-off-by: Gerhard Lazu <[email protected]> * Enable gzip compression when sending event traces Typically results in ~80% less bandwidth used. Signed-off-by: Gerhard Lazu <[email protected]> --------- Signed-off-by: Gerhard Lazu <[email protected]>
thechangelog · Sep 20, 2023 · ddd00d0 · ddd00d0
1 parent b58c96e
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diff --git a/2022.fly/fly.toml b/2022.fly/fly.toml
@@ -17,6 +17,9 @@ PORT = "4000"
 STATIC_URL_HOST = "cdn.changelog.com"
 URL_HOST = "changelog.com"
 DB_NAME = "changelog"
+# Sample traces to 10%, otherwise we will exceed out monthly 100M limit
+OTEL_TRACES_SAMPLER="parentbased_traceidratio"
+OTEL_TRACES_SAMPLER_ARG="0.1"
 
 [[services]]
 internal_port = 4000

diff --git a/config/config.exs b/config/config.exs
@@ -118,6 +118,7 @@ if System.get_env("HONEYCOMB_API_KEY") do
   config :opentelemetry, traces_exporter: :otlp
   config :opentelemetry_exporter,
     otlp_protocol: :http_protobuf,
+    otlp_compression: :gzip,
     otlp_endpoint: "https://api.honeycomb.io:443",
     otlp_headers: [
       {"x-honeycomb-team", SecretOrEnv.get("HONEYCOMB_API_KEY")},