From da468df6288b3437ba398e40deabfd90bab740d9 Mon Sep 17 00:00:00 2001
From: XiaoxiWang <xiaoxi.wang@snowflake.com>
Date: Fri, 11 Sep 2020 07:22:54 +0000
Subject: [PATCH] fix unthrottle signal bug

---
 fdbclient/TagThrottle.actor.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fdbclient/TagThrottle.actor.cpp b/fdbclient/TagThrottle.actor.cpp
index 83c81dfa89..227dae9532 100644
--- a/fdbclient/TagThrottle.actor.cpp
+++ b/fdbclient/TagThrottle.actor.cpp
@@ -326,7 +326,6 @@ namespace ThrottleApi {
 		loop {
 			try {
 				state Standalone<RangeResultRef> tags = wait(tr.getRange(begin, end, 1000));
-				state uint64_t unthrottledTags = 0;
 				uint64_t manualUnthrottledTags = 0;
 				for(auto tag : tags) {
 					if(onlyExpiredThrottles) {
@@ -353,7 +352,7 @@ namespace ThrottleApi {
 					wait(updateThrottleCount(&tr, -manualUnthrottledTags));
 				}
 
-				if(unthrottledTags > 0) {
+				if(removed) {
 					signalThrottleChange(tr);
 				}