maxConcurrentReconciles not work

[lppsuixn]

We have over 400 tasks running, and we've noticed that each task submission takes about 5 minutes. We checked the relevant metrics, and the workqueue_queue_duration_seconds_sum/workqueue_queue_duration_seconds_count is at 60 seconds. We set MaxConcurrentReconciles to 60, but it hasn't made a significant difference. Looking at the logs, we didn't see whether the processing is parallel or sequential.