External Scaler: fix wrong calculation of retry backoff duration (#2416)

Signed-off-by: yusank <yusankurban@gmail.com>
kedacore · Jan 4, 2022 · 1fd6866 · 1fd6866
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -36,6 +36,7 @@
 - PostgreSQL Scaler: Assign PostgreSQL `userName` to correct attribute ([#2432](https://github.com/kedacore/keda/pull/2432))|([#2433](https://github.com/kedacore/keda/pull/2433))
 - Kafka Scaler: concurrently query brokers for consumer and producer offsets ([#2405](https://github.com/kedacore/keda/pull/2405))
 - Delete the cache entry when a ScaledObject is deleted ([#2408](https://github.com/kedacore/keda/pull/2408))
+- External Scaler: fix wrong calculation of retry backoff duration ([#2416](https://github.com/kedacore/keda/pull/2416))
 
 ### Breaking Changes
 

diff --git a/pkg/scalers/external_scaler.go b/pkg/scalers/external_scaler.go
@@ -236,7 +236,7 @@ func (s *externalPushScaler) Run(ctx context.Context, active chan<- bool) {
 	// timer, to release background resources.
 	retryBackoff := func() *time.Timer {
 		tmr := time.NewTimer(retryDuration)
-		retryDuration *= time.Second * 2
+		retryDuration *= 2
 		if retryDuration > time.Minute*1 {
 			retryDuration = time.Minute * 1
 		}