From 7b59466667fc49be0311b3745b955dacb20aaba3 Mon Sep 17 00:00:00 2001
From: Aliaksandr Valialkin <valyala@gmail.com>
Date: Fri, 28 Jun 2019 18:08:09 +0300
Subject: [PATCH] lib/memory: attempt #2 to determine memory limit inside LXC
 container

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/84
---
 lib/memory/memory_linux.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/memory/memory_linux.go b/lib/memory/memory_linux.go
index 5e75eb33d..a30ae18ce 100644
--- a/lib/memory/memory_linux.go
+++ b/lib/memory/memory_linux.go
@@ -31,6 +31,15 @@ func sysTotalMemory() int {
 	if err != nil {
 		return totalMem
 	}
+	if mem != totalMem {
+		return mem
+	}
+
+	// Try reading LXC memory limit, since it looks like the cgroup limit doesn't work
+	mem, err = readLXCMemoryLimit(totalMem)
+	if err != nil {
+		return totalMem
+	}
 	return mem
 }