From 0e4aa4db19ad87514033f66d10a730ab7013d2bd Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Mon, 15 Mar 2021 14:11:31 -0400
Subject: [PATCH] set rlimit in backend

---
 backend.go | 4 ++++
 sensors.go | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/backend.go b/backend.go
index 324c681..2ca1d1a 100644
--- a/backend.go
+++ b/backend.go
@@ -94,6 +94,10 @@ func backendServer() {
 	if err != nil {
 		log.Panicf("unable to register shrinker: %s", err)
 	}
+	err = setLimits()
+	if err != nil {
+		log.Printf("error setting backend limits: %s", err)
+	}
 	for _, h := range backendhooks {
 		h()
 	}
diff --git a/sensors.go b/sensors.go
index c5fef02..4428c07 100644
--- a/sensors.go
+++ b/sensors.go
@@ -41,3 +41,10 @@ func getSensors() Sensors {
 
 	return sensors
 }
+
+func setLimits() error {
+	var limit syscall.Rlimit
+	limit.Cur = 2 * 1024 * 1024 * 1024
+	limit.Max = 2 * 1024 * 1024 * 1024
+	return syscall.Setrlimit(syscall.RLIMIT_DATA, &limit)
+}