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* introduce majority voting on remakestv47 hours7-95/+406
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* add electoratetv47 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)tv47 hours2-2/+2
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* measure document saved-size only after changestv48 hours2-18/+43
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* allow import remake using the raw documenttv2 days1-6/+85
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* add the import kind of remaketv2 days3-49/+200
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* add endpoint to export the documenttv2 days3-0/+88
| | | | GET /admin/document to retrieve the automerge document.
* add node aliasestv2 days6-11/+147
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* expose stats for prometheus to scrapetv2 days2-7/+514
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* add throughput statstv2 days8-2/+231
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* add propagation statstv2 days4-1/+126
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* add per peer incident statstv2 days4-4/+52
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* expose stats via the APItv2 days2-0/+136
| | | | GET /admin/stats to retrieve all stats.
* add swarm statstv2 days9-1/+238
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* add traffic countertv2 days9-12/+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 neighbourstv2 days1-10/+89
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* assess swarm stabilitytv2 days8-11/+330
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* record RTT sampling instanttv2 days4-30/+104
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* prefer closer sources to catch uptv2 days3-3/+49
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* record RTT from keepalive messagestv2 days7-20/+148
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* pull missing changestv2 days7-5/+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 neighbourstv2 days3-55/+162
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* sync with neighbourstv2 days6-4/+171
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* add neighbour graphtv2 days2-0/+180
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* add member registrytv2 days4-1/+73
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* use nonce in handshaketv2 days5-2/+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 startuptv2 days1-2/+48
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* consolidate backoff codetv2 days4-49/+99
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* retry using fresh messagestv2 days3-170/+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 divergencetv2 days1-6/+27
| | | | | Wait 2*keepalive but at least 20 s to trigger resync so that lost messages can be resent first.
* heal after reply timeouttv2 days1-0/+3
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* drop stall breaker; resend needed changestv3 days2-82/+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-uptv3 days1-1/+6
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* peers that just became ready get syncstv3 days1-0/+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 resettv3 days6-163/+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 triptv3 days6-85/+74
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* drop pre-membership sync messagestv3 days4-47/+10
| | | | | The handshake resets the session anyway, and the sender's reply timeout resends what still matters.
* bump number of heads in keepalive messagestv3 days6-11/+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-uptv3 days4-109/+28
| | | | This allows changing sources without the fixed 30 s stall duration.
* enrich keepalive contenttv3 days5-44/+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 sourcetv3 days4-11/+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.
* catch up with a single source onlytv3 days3-1/+102
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* introduce announce opening varianttv3 days1-6/+14
| | | | | This prevents a fall back to the 3 s grace period if a reset happens between the epoch switch and our opening went out.
* record the cause that started a sync sessiontv3 days3-12/+74
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* merge sync_reset_at and epoch_unannounced into openingtv3 days3-56/+67
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* introduce sync sessiontv3 days4-109/+124
| | | | SyncSession holds all fields that get reset by reset_sync()
* merge membership and authenticate into standingtv3 days5-43/+47
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* announce epochs by sync instead of pingtv3 days2-4/+33
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* pick pair leader by hash instead of key ordertv3 days5-4/+83
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* ping only from one sidetv3 days2-3/+22
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