From 88116f4d86694314a1d2321b3302327111e07d58 Mon Sep 17 00:00:00 2001
From: Pelle Wessman <pelle@kodfabrik.se>
Date: Thu, 4 Oct 2018 20:59:53 +0200
Subject: [PATCH] Unref pollers to avoid keeping Node.js alive

---
 packages/core/lib/middleware/sampling/rule_poller.js   | 1 +
 packages/core/lib/middleware/sampling/target_poller.js | 1 +
 2 files changed, 2 insertions(+)

diff --git a/packages/core/lib/middleware/sampling/rule_poller.js b/packages/core/lib/middleware/sampling/rule_poller.js
index 1b0b139b..190ba804 100644
--- a/packages/core/lib/middleware/sampling/rule_poller.js
+++ b/packages/core/lib/middleware/sampling/rule_poller.js
@@ -16,6 +16,7 @@ var RulePoller = {
     // Refresh sampling rules cache with no jitter upon start.
     refresh(false);
     this.poller = setInterval(refresh, DEFAULT_INTERVAL);
+    this.poller.unref();
   },
 };
 
diff --git a/packages/core/lib/middleware/sampling/target_poller.js b/packages/core/lib/middleware/sampling/target_poller.js
index bd9f90eb..f845f2cb 100644
--- a/packages/core/lib/middleware/sampling/target_poller.js
+++ b/packages/core/lib/middleware/sampling/target_poller.js
@@ -16,6 +16,7 @@ var TargetPoller = {
 
   start: function start() {
     this.poller = setInterval(refreshWithFirewall, DEFAULT_INTERVAL + getJitter());
+    this.poller.unref();
   },
 };