What do ws_http_port,ws_h2_port and meta_server_addrs mean in nebula-metad.conf? Why are there so many ports?

[xieceinhe]

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[darionyaphet]

The difference between ws_http_port and ws_h2_port, one is the HTTP protocol and another is the HTTP2 protocol.

meta_server_addrs is the meta services' addresses.

[dangleptr]

Could we unify them?