log poller hint information

Author: shijiesheng

internal/worker/concurrency_auto_scaler.go

@@ -183,6 +183,10 @@ func (c *ConcurrencyAutoScaler) ProcessPollerHint(hint *shared.AutoConfigHint) {
 	c.lock.Lock()
 	defer c.lock.Unlock()
 
+	if hint.PollerWaitTimeInMs == nil || *hint.PollerWaitTimeInMs == 0 {
+		c.log.Debug("poller wait time hint", zap.Int64("wait_time_in_ms", *hint.PollerWaitTimeInMs))
+	}
+
 	if hint.PollerWaitTimeInMs != nil && *hint.PollerWaitTimeInMs >= 0 {
 		waitTimeInMs := *hint.PollerWaitTimeInMs
 		c.pollerWaitTime.Add(time.Millisecond * time.Duration(waitTimeInMs))