issue trying to get multiple nodejs peers to sync

[endomorphosis]

I was working on trying to use orbitdb to shard and serve a K nearest neighbors search engine using orbitdb as the key:value store, with the math part being handled by FAISS, and try to benchmark whether or not it is feasible with 8 million records in chunks of 4096 key-value pairs.

I have two nodes working on the local area network, and I've tried to throw the kitchen sink of different networking and peer discovery methods, but I cant seem to get the two different nodes to talk to each other on different PCs.

code
https://github.com/endomorphosis/orbitdb-benchmark/blob/master/src/orbitv3-slave-swarm.js
https://github.com/endomorphosis/orbitdb-benchmark/blob/master/src/orbitv3-master-swarm.js

node /home/devel/orbitdb-benchmark/src/orbitv3-master-swarm.js --ipAddress=127.0.0.1 --port=60001 --swarmName=caselaw --chunkSize=8 --index=1
node /home/barberb/orbitdb-benchmark-1/src/orbitv3-slave-swarm.js --ipAddress=127.0.0.1 --port=50001 --swarmName=caselaw --chunkSize=8 --index=1

[haydenyoung]

Are the 2 pcs on the same local network?

[endomorphosis]

yes

[haydenyoung]

Have you tried using mdns for peer discovery? If not, try to configure it in the you Libp2p settings for Helia, E.g.

import { mdns } from '@libp2p/mdns'

export default {
  peerDiscovery: [
    mdns()
  ],
  /* other settings */
}

This should allow peers to discover one another on the local network without explicitly dialling one another.

[endomorphosis]

Have you tried using mdns for peer discovery? If not, try to configure it in the you Libp2p settings for Helia, E.g.

import { mdns } from '@libp2p/mdns'

export default {
  peerDiscovery: [
    mdns()
  ],
  /* other settings */
}

This should allow peers to discover one another on the local network without explicitly dialling one another.

https://github.com/endomorphosis/orbitdb-benchmark/blob/master/src/orbitv3-master-swarm.js#L63

[haydenyoung]

I've tried launching the peers in the above example and they are able to find one another. Using a simple peer:connect confirms this:

ipfs.libp2p.addEventListener("peer:connect", event => {
    console.log('connected', event.detail)
})

Can you dial master from slave explicitly?

I.e.

await ipfs.libp2p.dial(multiaddr(masterAddress))

If the problem persists, Libp2p may be better able to guide you in getting the peers to communicate.