diff --git a/src/servers/src/http/event.rs b/src/servers/src/http/event.rs
index 24bb844dc7..2390e374a1 100644
--- a/src/servers/src/http/event.rs
+++ b/src/servers/src/http/event.rs
@@ -31,7 +31,7 @@ use axum_extra::TypedHeader;
 use common_catalog::consts::default_engine;
 use common_error::ext::{BoxedError, ErrorExt};
 use common_query::{Output, OutputData};
-use common_telemetry::{error, warn};
+use common_telemetry::{debug, error, warn};
 use headers::ContentType;
 use lazy_static::lazy_static;
 use mime_guess::mime;
@@ -738,6 +738,11 @@ pub async fn log_ingester(
 
     let value = extract_pipeline_value_by_content_type(content_type, payload, ignore_errors)?;
 
+    debug!(
+        "receiving logs: {:?}",
+        serde_json::to_string(&value).unwrap()
+    );
+
     query_ctx.set_channel(Channel::Log);
     let query_ctx = Arc::new(query_ctx);