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out_opentelemetry: fix memory leak by explicitly consuming response body #27

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Merged
Watson1978 merged 1 commit into from
Jan 24, 2026
Merged

out_opentelemetry: fix memory leak by explicitly consuming response body #27

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4 changes: 4 additions & 0 deletions lib/fluent/plugin/opentelemetry/http_output_handler.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,10 @@ def export(record)
uri, headers, body = get_post_data(record)
response = @connections[record["type"]].post(body: body, headers: headers, idempotent: true)

# Explicitly consume the response body to clear the socket buffer.
# Without this, Excon retains the buffer, causing memory leaks and blocking persistent connections.
response.body

return if response.status >= 200 && response.status < 300

if response.status == 400
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