From b15ced1f8b27337224dd9970702b1d4f4a965f16 Mon Sep 17 00:00:00 2001
From: suitableZebraCaller
 <15273771+suitableZebraCaller@users.noreply.github.com>
Date: Tue, 20 Dec 2022 15:43:32 +1100
Subject: [PATCH] fix: Replications Close Idle TCP Connections

---
 replications/remotewrite/writer.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/replications/remotewrite/writer.go b/replications/remotewrite/writer.go
index 854d870b7ad..b05f6812279 100644
--- a/replications/remotewrite/writer.go
+++ b/replications/remotewrite/writer.go
@@ -243,6 +243,9 @@ func PostWrite(ctx context.Context, config *influxdb.ReplicationHTTPConfig, data
 		err = invalidResponseCode(res.StatusCode)
 	}
 
+	// Close Idle connections and prevent reaching file descriptor limit
+	conf.HTTPClient.CloseIdleConnections()
+
 	// Must return the response so that the status code and headers can be inspected by the caller, even if the response
 	// was not 204.
 	return res, err