This is the peak today(about 75% of history peak).
Total: 13965 (kernel 0) TCP: 46823 (estab 13808, closed 32768, orphaned 231, synrecv 0, timewait 32768/0), ports 0 Transport Total IP IPv6 * 0 - - RAW 0 0 0 UDP 0 0 0 TCP 14055 10241 3814 INET 14055 10241 3814 FRAG 0 0 00_1478143628965_upload-11fe38fe-e73a-4561-a8eb-0ccceb91c223
Actually, the performance today is better and fast after I applied a change in config:
"socket.io": { "transports": ["websocket"] }That issue was at this link.