other observations, which I've shared before but am observing again:
devices with dual or quad core ARM A5x processors are pretty good at routing packets, but if your application involves one doing a lot of encryption or decryption (especially in userspace), they can be limiting.
in my case because I have multiple well-separared networks and was moving the backups from a machine on network A to a machine on network B, it was easiest to use Tailscale (which I deploy on the routers, which isn't what they suggest) ... anyway, the router on the source network can only push data over Tailscale at 250Mbps despite the connection only traversing local equipment (no round trip thru the internet). I confirmed its dual A53 CPU is maxed out at 100% while doing this.
and no, I couldn't (easily) just move the files on the NAS, because the NAS is accessible to multiple different local networks, and because of low performance from the NAS's quad A55 CPU, I encrypt everything on it on the source machines. since I don't have an ARM version of gocryptfs on the NAS, I have to move the files from one source machine to the other.
selfhosting.couchsurfing
npub1nq…6salp
2025-05-22 19:37:35 UTC
Author Public Key
npub1nq6ztqk0qhj0uay4yfpmdzs0cqt6wks7txn0kc28v5fyczte7kvsr6salpSeen on
wss://relay.mostr.pubPublished at
2025-05-22 19:37:35 UTCEvent JSON
{
"id": "5e6bbff336797893f9ede23cea14ccd45f2c92a058265b2a6d859f7c2339164e",
"pubkey": "98342582cf05e4fe74952243b68a0fc017a75a1e59a6fb614765124c0979f599",
"created_at": 1747942655,
"kind": 1,
"tags": [
[
"proxy",
"https://mastodon.pirateparty.be/users/surfhosting/statuses/114553169873090885",
"activitypub"
],
[
"client",
"Mostr",
"31990:6be38f8c63df7dbf84db7ec4a6e6fbbd8d19dca3b980efad18585c46f04b26f9:mostr",
"wss://relay.mostr.pub"
]
],
"content": "other observations, which I've shared before but am observing again:\n\ndevices with dual or quad core ARM A5x processors are pretty good at routing packets, but if your application involves one doing a lot of encryption or decryption (especially in userspace), they can be limiting.\n\nin my case because I have multiple well-separared networks and was moving the backups from a machine on network A to a machine on network B, it was easiest to use Tailscale (which I deploy on the routers, which isn't what they suggest) ... anyway, the router on the source network can only push data over Tailscale at 250Mbps despite the connection only traversing local equipment (no round trip thru the internet). I confirmed its dual A53 CPU is maxed out at 100% while doing this.\n\nand no, I couldn't (easily) just move the files on the NAS, because the NAS is accessible to multiple different local networks, and because of low performance from the NAS's quad A55 CPU, I encrypt everything on it on the source machines. since I don't have an ARM version of gocryptfs on the NAS, I have to move the files from one source machine to the other.",
"sig": "bbc47caafd99757b71ca545ce860cbb05494773d90f45b64928da170f34e1c7086ff5b99294b7d8669c123cc0787aa276719cb63af8a6a9394dfe8831ec76398"
}