From 638f965a8f14b87cf67f02c74342f722d4a6a1b9 Mon Sep 17 00:00:00 2001
From: Elvin Efendi <elvin.efendiyev@gmail.com>
Date: Tue, 15 Jan 2019 15:38:30 -0500
Subject: [PATCH] worker_connections should be less than worker_rlimit_nofile

---
 internal/ingress/controller/nginx.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/internal/ingress/controller/nginx.go b/internal/ingress/controller/nginx.go
index 4d4c3328c..b7ab86d12 100644
--- a/internal/ingress/controller/nginx.go
+++ b/internal/ingress/controller/nginx.go
@@ -22,6 +22,7 @@ import (
 	"errors"
 	"fmt"
 	"io/ioutil"
+	"math"
 	"net"
 	"net/http"
 	"os"
@@ -538,8 +539,9 @@ func (n *NGINXController) OnUpdate(ingressCfg ingress.Configuration) error {
 	}
 
 	if cfg.MaxWorkerConnections == 0 {
-		klog.V(3).Infof("Adjusting MaxWorkerConnections variable to %d", cfg.MaxWorkerOpenFiles)
-		cfg.MaxWorkerConnections = cfg.MaxWorkerOpenFiles
+		maxWorkerConnections := int(math.Ceil(float64(cfg.MaxWorkerOpenFiles * 3.0 / 4)))
+		klog.V(3).Infof("Adjusting MaxWorkerConnections variable to %d", maxWorkerConnections)
+		cfg.MaxWorkerConnections = maxWorkerConnections
 	}
 
 	setHeaders := map[string]string{}