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Author: lym953

bottlecap/src/traces/span_dedup_service.rs

@@ -45,6 +45,9 @@ impl DedupHandle {
             .send(DedupCommand::CheckAndAdd(key, response_tx))
             .map_err(DedupError::SendError)?;
 
+        // Sometimes the dedup service fails to send a response for unknown reasons, so we 
+        // timeout after 5 seconds to avoid blocking the caller forever. We may remove the
+        // timeout if we can figure out and fix the root cause.
         tokio::time::timeout(Duration::from_secs(5), response_rx)
             .await
             .map_err(|_| DedupError::Timeout)?