From 4a52faf2ae36999fcdec973e75c176e3883a6e14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E5=9B=BD=E5=BF=A0?= <fuling.lgz@alibaba-inc.com>
Date: Mon, 21 Sep 2020 18:29:03 +0800
Subject: [PATCH] Unnecessary go routine spawn. (#7951)

Signed-off-by: fuling <fuling.lgz@alibaba-inc.com>
---
 rules/manager.go | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/rules/manager.go b/rules/manager.go
index b1002339a7..476f628517 100644
--- a/rules/manager.go
+++ b/rules/manager.go
@@ -954,14 +954,12 @@ func (m *Manager) Update(interval time.Duration, files []string, externalLabels
 				oldg.stop()
 				newg.CopyState(oldg)
 			}
-			go func() {
-				// Wait with starting evaluation until the rule manager
-				// is told to run. This is necessary to avoid running
-				// queries against a bootstrapping storage.
-				<-m.block
-				newg.run(m.opts.Context)
-			}()
 			wg.Done()
+			// Wait with starting evaluation until the rule manager
+			// is told to run. This is necessary to avoid running
+			// queries against a bootstrapping storage.
+			<-m.block
+			newg.run(m.opts.Context)
 		}(newg)
 	}