Retransmission issue

[DanielAlmeidaJoao]

I am using quic Netty, which uses QUICHE QUIC.
And I noticed that when there are too much traffic, the idle connection is being triggered, even though the receivers did not receive all the data sent by the sender. And when I increase the idle timeout value, the receivers receive all the data but much later.

Have you ever faced an issue like this ?

The experiment consists in a QUCI Netty server application sending 1GB file to 6 NETTY QUIC clients. I am running the experiments
in two identical servers with high network connectivity. In one I run the server application plus 3 clients, and on the other I run the rest of the clients (3 clients).

And these are the technical description of the servers:
processor: 2 x AMD EPYC 7343 | cpu cores/threads: 32⁄64 | RAM: 128 GiB DDR4 3200 MHz | network interfaces: 2x10 Gbps | 450 GB SSD