why client connection closed, can not release memory? nginx version: nginx/1.21.3 1. memory info (no connections) CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS b7c1f1b847c8 nginx_webscoket 0.00% 338.9MiB / 1GiB 33.10% 586B / 42B 0B / 0B 5 2. memory info (200 websocket connections active) CONTAINER ID NAMEby Jictinker - Other discussion