From 76b244cfcf95915514e739e5bd9d98028ee0987b Mon Sep 17 00:00:00 2001
From: Aliaksandr Valialkin <valyala@gmail.com>
Date: Tue, 29 Sep 2020 13:54:25 +0300
Subject: [PATCH] lib/cgroup: do not adjust the number of detected CPU cores
 via /sys/devices/system/cpu/online

The adjustement increases the resulting GOMAXPROC by 1, which looks confusing to users
as outlined at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685#issuecomment-698595309
---
 lib/cgroup/cpu.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/cgroup/cpu.go b/lib/cgroup/cpu.go
index 6d112979d..fbfd73238 100644
--- a/lib/cgroup/cpu.go
+++ b/lib/cgroup/cpu.go
@@ -65,9 +65,7 @@ func getOnlineCPUCount() float64 {
 	if n <= 0 {
 		return -1
 	}
-	// Add a half of CPU core, since it looks like actual cores is usually bigger than online cores.
-	// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685#issuecomment-674423728
-	return n + 0.5
+	return n
 }
 
 func countCPUs(data string) int {