On 26/03/2026 02.32, David Escartin Almudevar via sr-users wrote:
Is this query before delete expected behavior (e.g. implicitly triggered by rtpengine_delete() to retrieve statistics)?
No, they're two different and distinct methods. The only exception is access of $rtpstats/$rtpestats, which implicitly triggers a "query."
Seems under high load conditions, we have observed that the NG control socket (UDP) occasionally becomes congested. For example, we have seen cases where the rtpengine server receive queue (Recv-Q) for the control socket grows significantly (hundreds of thousands of bytes), indicating that rtpengine is not draining the socket fast enough.
Very likely this is unrelated and usually points towards some sort of resource shortage. If it's not CPU or memory (swapping), another possibility is stalling when doing external I/O, such as talking to a slow Redis instance or a slow logging system holding up operation.
Cheers