> However, further analysis in the perf environment revealed that while there was a spike in the number of active sessions, those gradually dropped off while th

> However, further analysis in the perf environment revealed that while there was a spike in the number of active sessions, those gradually dropped off while the DAG processing time continued to stay high. Thundering herds will do that. Queuing theory. Once the queue builds up it takes far longer to clear than intuition suggests.