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f5a218f9d1
Instead of reading the store ourselves, we can just send them an offset. This saves gossipd a lot of work, putting it where it belongs (in the daemon responsible for the specific peer). MCP bench results: store_load_msec:28509-31001(29206.6+/-9.4e+02) vsz_kb:580004-580016(580006+/-4.8) store_rewrite_sec:11.640000-12.730000(11.908+/-0.41) listnodes_sec:1.790000-1.880000(1.83+/-0.032) listchannels_sec:21.180000-21.950000(21.476+/-0.27) routing_sec:2.210000-11.160000(7.126+/-3.1) peer_write_all_sec:36.270000-41.200000(38.168+/-1.9) Signficant savings in streaming gossip: -peer_write_all_sec:48.160000-51.480000(49.608+/-1.1) +peer_write_all_sec:35.780000-37.980000(36.43+/-0.81) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
40 lines
1.6 KiB
CSV
40 lines
1.6 KiB
CSV
# Channel daemon can ask for updates for a specific channel, for sending
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# errors. Must be distinct from WIRE_CHANNEL_ANNOUNCEMENT etc. gossip msgs!
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gossipd_get_update,3501
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gossipd_get_update,,short_channel_id,struct short_channel_id
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# If channel isn't known, update will be empty.
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gossipd_get_update_reply,3601
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gossipd_get_update_reply,,len,u16
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gossipd_get_update_reply,,update,len*u8
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# Gossipd can tell channeld etc about raw messages to fwd.
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gossipd_send_gossip,3502
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gossipd_send_gossip,,len,u16
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gossipd_send_gossip,,gossip,len*u8
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# But usually gossipd just gives an offset into the gossip_store
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gossipd_send_gossip_from_store,3506
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gossipd_send_gossip_from_store,,offset,u64
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# Both sides have seen the funding tx being locked, but we have not
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# yet reached the announcement depth. So we add the channel locally so
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# we (and peer) can update it already.
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gossipd_local_add_channel,3503
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gossipd_local_add_channel,,short_channel_id,struct short_channel_id
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gossipd_local_add_channel,,remote_node_id,struct node_id
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gossipd_local_add_channel,,satoshis,struct amount_sat
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# Send this channel_update.
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gossipd_local_channel_update,3504
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gossipd_local_channel_update,,short_channel_id,struct short_channel_id
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gossipd_local_channel_update,,disable,bool
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gossipd_local_channel_update,,cltv_expiry_delta,u16
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gossipd_local_channel_update,,htlc_minimum_msat,struct amount_msat
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gossipd_local_channel_update,,fee_base_msat,u32
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gossipd_local_channel_update,,fee_proportional_millionths,u32
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gossipd_local_channel_update,,htlc_maximum_msat,struct amount_msat
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# Update your gossip_store fd: + gossip_store_fd
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gossipd_new_store_fd,3505
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