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* follow and download from ready members onlytv18 hours3-3/+29
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* being caught up needs some headstv19 hours1-5/+9
| | | | | | | | | | | A sync message from a ready peer only completes the initial sync if that peer has at least one head. A peer with an empty document can no longer make a joiner ready on an empty store: a misconfigured second swarm, or a genesis node in its first seconds. Effect on a brand-new swarm: a joiner now waits until the genesis node has registered itself in the member list, which happens within about 5 s of it becoming ready.
* only protocol-writers may modify _continuumtv19 hours6-14/+63
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* put remake content into blobstv20 hours15-79/+319
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* add chunked download and use it during rejointv22 hours15-3/+844
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* allow unsetting config optionstv22 hours2-46/+264
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* add API and CLI to print effective configtv23 hours4-2/+106
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* add configuration filestv23 hours4-107/+1261
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* wire up --mycelium-tcp-listen-porttv23 hours1-2/+5
| | | | | It wasn't used before, causing the supervised daemon to always pick a random one.
* introduce majority voting on remakestv25 hours7-95/+406
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* add electoratetv25 hours3-8/+109
| | | | | For an upcoming change in remake coordination, nodes now maintain their self-assessed liveness in the document.
* aliases are not in logs (fixup)tv25 hours2-2/+2
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* measure document saved-size only after changestv25 hours2-18/+43
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* allow import remake using the raw documenttv31 hours1-6/+85
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* add the import kind of remaketv31 hours3-49/+200
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* add endpoint to export the documenttv31 hours3-0/+88
| | | | GET /admin/document to retrieve the automerge document.
* add node aliasestv31 hours6-11/+147
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* expose stats for prometheus to scrapetv31 hours2-7/+514
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* add throughput statstv31 hours8-2/+231
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* add propagation statstv31 hours4-1/+126
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* add per peer incident statstv32 hours4-4/+52
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* expose stats via the APItv32 hours2-0/+136
| | | | GET /admin/stats to retrieve all stats.
* add swarm statstv32 hours9-1/+238
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* add traffic countertv32 hours9-12/+270
| | | | | | | | | | This introduces a new wrapper that counts messages and payload bytes per peer, split by kind (hello, helloReply, sync, ping, pong), each sent, received and refused. The traffic counter goes around the firewall, which means messages dropped outbound are still counted as sent, and messages dropped inbound don't count as received.
* nodes prefer stable neighbourstv32 hours1-10/+89
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* assess swarm stabilitytv32 hours8-11/+330
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* record RTT sampling instanttv33 hours4-30/+104
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* prefer closer sources to catch uptv33 hours3-3/+49
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* record RTT from keepalive messagestv33 hours7-20/+148
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* pull missing changestv33 hours7-5/+162
| | | | | | Nodes push changes to their neighbours but don't relay them directly. In a partial mesh, nodes can learn about missing changes via keepalive messages and can pull them from their neighbours.
* find reachable neighbourstv34 hours3-55/+162
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* sync with neighbourstv34 hours6-4/+171
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* add neighbour graphtv34 hours2-0/+180
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* add member registrytv34 hours4-1/+73
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* use nonce in handshaketv35 hours5-2/+39
| | | | | To prevent stale hello replies to cause joins and thus stale sessions, each run gets a random ID, which used as nonce in the handshake.
* drain queued messages on startuptv35 hours1-2/+48
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* consolidate backoff codetv35 hours4-49/+99
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* retry using fresh messagestv35 hours3-170/+180
| | | | | Don't store encoded messages but retry using a newly generated one. That way any accumulated changes can be delivered at once.
* heal from noticed divergencetv35 hours1-6/+27
| | | | | Wait 2*keepalive but at least 20 s to trigger resync so that lost messages can be resent first.
* heal after reply timeouttv38 hours1-0/+3
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* drop stall breaker; resend needed changestv38 hours2-82/+21
| | | | | | The stall breaker was superseded by regular re-handshaking Re-handshaking also gets triggered, when a node needs some of the heads its peer believes it has already sent. In that case the peer now resends what's needed.
* no heal during catch-uptv39 hours1-1/+6
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* peers that just became ready get syncstv39 hours1-0/+9
| | | | | | When keepalive says ready and we didn't have taht on record before, the peer is queued for sync. Hello and hello reply don't do this because the handshake already queues a sync.
* both sides may open sync after resettv39 hours6-163/+64
| | | | | | | | | | Ready nodes will leave the first message to the pear that isn't ready. Hello and hello reply now carry ready, so readiness is known from the very first contact, before any sync. Together with the sync messages and keepalives, reports_ready is always current. After epoch switch, pings go to everyone except ready members already on the new epoch, these learn from the lagging peer's opening.
* perform handshake in one round triptv39 hours6-85/+74
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* drop pre-membership sync messagestv39 hours4-47/+10
| | | | | The handshake resets the session anyway, and the sender's reply timeout resends what still matters.
* bump number of heads in keepalive messagestv40 hours6-11/+1069
| | | | | Instead of arbitrarily limiting the number to 16, allow filling keepalive messages as long as they don't cause mycelium to chunk it.
* probe sync source during catch-uptv40 hours4-109/+28
| | | | This allows changing sources without the fixed 30 s stall duration.
* enrich keepalive contenttv40 hours5-44/+307
| | | | | | | Add ready and syncs_with_you flags as well as actual heads, so the peer - ready: same meaning as in the sync message - syncs_with_you: sender counts recipient as member and in same epoch - heads: allows to tell who's behind or if both sides have changes
* use only ready peers as sync sourcetv40 hours4-11/+65
| | | | | | Sync messages now carries a ready flag, telling whether the sending peer itself is joined or is itself still (re-)joining. In the latter case, the peer won't be used as sync source.