i tried #ipfs public gateways listed at ipfs.github.io for 550 MiB video file

i added video to my local node just few minutes ago, these are the gateways that almost immediately found it and are able to at least start playback:

cloudflare-ipfs.com

gateway.pinata.cloud

ipfs.cf-ipfs.com

nostr:note1u8wdwe48h662egkdph3ulc7gf62459lev07wamsnuaac7nmlew5qftq7vl