Send pack blocking problem

[MikuSnow]

My server is a bedrock server with geyser.

Hardware: total 23 servers.per server is 128G 22core 44 thread , and total 1G bandwidth. max online players about 14K.

video: this is the player's video. https://youtu.be/xHCFvL0DtNA for other player, this player like forzen.

When this probelm happen, The player will get a high network flow. and I have dump the memory twice. The second memory is after 30s by the first.

first

second