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petals/src/petals/constants.py

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Use public swarm by default (#92) This PR makes servers and clients use public swarm's bootstrap peers if no other initial peers are specified. If you'd like a server to start a new swarm, provide the `--new_swarm` CLI argument.
2 years ago
PUBLIC_INITIAL_PEERS = [
"/dns/bootstrap1.petals.ml/tcp/31337/p2p/QmedTaZXmULqwspJXz44SsPZyTNKxhnnFvYRajfH7MGhCY",
"/dns6/bootstrap1.petals.ml/tcp/31337/p2p/QmedTaZXmULqwspJXz44SsPZyTNKxhnnFvYRajfH7MGhCY",
"/dns/bootstrap2.petals.ml/tcp/31338/p2p/QmQGTqmM7NKjV6ggU1ZCap8zWiyKR89RViDXiqehSiCpY5",
"/dns6/bootstrap2.petals.ml/tcp/31338/p2p/QmQGTqmM7NKjV6ggU1ZCap8zWiyKR89RViDXiqehSiCpY5",
]
Add service checking direct reachability from peers (#195) Servers joining from behind NATs/firewalls usually take several minutes to join a libp2p relay before they become accessible from the outside Internet. Moreover, requests to such servers are slower and more likely to fail (e.g., if the server switches a relay at the moment). If such servers host certain DHT keys, the swarm may occasionally lose read/write access to these keys, which results in: - Clients being unable to find any servers hosting a certain block. - All servers starting rebalancing to the same place to close the alleged "gap" in the swarm. This PRs modifies servers so that DHT keys are only hosted on **directly reachable** servers (the ones who aren't behind NAT/firewall). This way, DHT becomes more stable and works faster. Of course, trhe servers behind NATs/firewalls still accept requests for running inference/forward/backward for blocks they hold (it's more acceptable for this kind of requests to be slower or fail). Co-authored-by: Alexander Borzunov <borzunov.alexander@gmail.com>
1 year ago
# The reachability API is currently used only when connecting to the public swarm
REACHABILITY_API_URL = "http://health.petals.ml"