From 3cbb3dc55f6582bc8abc7d5683080702080adcd8 Mon Sep 17 00:00:00 2001
From: vdimir <vdimir@clickhouse.com>
Date: Fri, 26 Jul 2024 08:41:44 +0000
Subject: [PATCH 1/2] Do not spam logs with messages related to connection
 reset by peer

---
 src/Server/HTTP/HTTPServerConnection.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/Server/HTTP/HTTPServerConnection.cpp b/src/Server/HTTP/HTTPServerConnection.cpp
index 047db014560..8eb2ecb1224 100644
--- a/src/Server/HTTP/HTTPServerConnection.cpp
+++ b/src/Server/HTTP/HTTPServerConnection.cpp
@@ -97,6 +97,18 @@ void HTTPServerConnection::run()
         {
             sendErrorResponse(session, Poco::Net::HTTPResponse::HTTP_BAD_REQUEST);
         }
+        catch (const Poco::Net::NetException & e)
+        {
+            /// Do not spam logs with messages related to connection reset by peer.
+            if (e.code() == POCO_ENOTCONN)
+                break;
+
+            if (session.networkException())
+                session.networkException()->rethrow();
+            else
+                throw;
+        }
+
         catch (const Poco::Exception &)
         {
             if (session.networkException())

From 73e71e7b7a476c7073154a112dd12815bbe49bfe Mon Sep 17 00:00:00 2001
From: vdimir <vdimir@clickhouse.com>
Date: Fri, 26 Jul 2024 08:45:43 +0000
Subject: [PATCH 2/2] log

---
 src/Server/HTTP/HTTPServerConnection.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Server/HTTP/HTTPServerConnection.cpp b/src/Server/HTTP/HTTPServerConnection.cpp
index 8eb2ecb1224..39e066005b9 100644
--- a/src/Server/HTTP/HTTPServerConnection.cpp
+++ b/src/Server/HTTP/HTTPServerConnection.cpp
@@ -2,6 +2,7 @@
 #include <Server/TCPServer.h>
 
 #include <Poco/Net/NetException.h>
+#include <Common/logger_useful.h>
 
 namespace DB
 {
@@ -101,7 +102,10 @@ void HTTPServerConnection::run()
         {
             /// Do not spam logs with messages related to connection reset by peer.
             if (e.code() == POCO_ENOTCONN)
+            {
+                LOG_DEBUG(LogFrequencyLimiter(getLogger("HTTPServerConnection"), 10), "Connection reset by peer while processing HTTP request: {}", e.message());
                 break;
+            }
 
             if (session.networkException())
                 session.networkException()->rethrow();