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* measure document saved-size only after changestv26 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 documenttv32 hours3-0/+88
| | | | GET /admin/document to retrieve the automerge document.
* add node aliasestv32 hours6-11/+147
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* expose stats for prometheus to scrapetv32 hours2-7/+514
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* add throughput statstv32 hours8-2/+231
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* add propagation statstv32 hours4-1/+126
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* add per peer incident statstv32 hours4-4/+52
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* expose stats via the APItv33 hours2-0/+136
| | | | GET /admin/stats to retrieve all stats.
* add swarm statstv33 hours9-1/+238
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* add traffic countertv33 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 neighbourstv33 hours1-10/+89
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* assess swarm stabilitytv33 hours8-11/+330
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* record RTT sampling instanttv33 hours4-30/+104
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* prefer closer sources to catch uptv34 hours3-3/+49
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* record RTT from keepalive messagestv34 hours7-20/+148
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* pull missing changestv34 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 graphtv35 hours2-0/+180
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* add member registrytv35 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 codetv36 hours4-49/+99
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* retry using fresh messagestv36 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 divergencetv36 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 resettv40 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 triptv40 hours6-85/+74
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* drop pre-membership sync messagestv40 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 sourcetv41 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.
* catch up with a single source onlytv41 hours3-1/+102
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* introduce announce opening varianttv42 hours1-6/+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 sessiontv42 hours3-12/+74
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* merge sync_reset_at and epoch_unannounced into openingtv42 hours3-56/+67
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* introduce sync sessiontv43 hours4-109/+124
| | | | SyncSession holds all fields that get reset by reset_sync()
* merge membership and authenticate into standingtv44 hours5-43/+47
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* announce epochs by sync instead of pingtv44 hours2-4/+33
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* pick pair leader by hash instead of key ordertv2 days5-4/+83
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* ping only from one sidetv2 days2-3/+22
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* allow changing log filtering while node runstv2 days4-1/+97
| | | | This also changes the default to tracing-subscriber.
* consistently use the words node, peer, and seedtv2 days7-12/+18
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* open sync only from one sidetv2 days2-3/+45
| | | | | | | | | If both sides open, the openings cross, and an empty node's answer to the other opening (empty heads) makes the other side send the whole document a second time. Now after a sync reset, only the side with the smaller public key opens the sync; the other answers it, or opens itself if nothing arrives.